September Sweater / DROPS 150-15 is a classic Nordic-style knitted pullover featuring a patterned round yoke and comfortable everyday shape.
Designed by DROPS Design, the sweater combines traditional stranded colorwork with a practical wool-and-alpaca yarn, creating a warm garment with a timeless Scandinavian look.
The pattern includes a generous adult size range from S through XXXL, making it a useful choice for knitters looking for a traditional round-yoke sweater.
Best of all, the complete September Sweater knitting pattern is still officially available for free from DROPS Design.
✓ Free Official Pattern Available
September Sweater / DROPS 150-15 remains available as a complete free knitting pattern from DROPS Design. The official page includes the current written instructions, diagrams and sizing information.
September Sweater at a Glance
Pattern: September Sweater
Pattern Number: DROPS 150-15
Designer: DROPS Design
Project: Women's Nordic Pullover
Construction: Round yoke
Sizes: S - M - L - XL - XXL - XXXL
Original Yarn: DROPS Lima
Technique: Nordic stranded colorwork
Availability: Free official DROPS pattern
About the September Sweater
September Sweater is a traditional round-yoke pullover with Nordic colorwork concentrated around the upper body.
The design uses contrasting colors to create the recognizable geometric motifs associated with Scandinavian-style knitting while keeping the remainder of the sweater comparatively simple.
This balance makes the patterned yoke the visual focus of the finished garment.
A Classic Nordic Round Yoke
Round-yoke sweaters are popular because the patterned section flows continuously around the shoulders rather than being interrupted by conventional shoulder seams.
In September Sweater, shaping and colorwork work together to create the characteristic circular upper section.
Once the patterned yoke is complete, the simpler areas allow the Nordic motifs to stand out clearly.
Sizes Included
The official DROPS pattern includes:
S - M - L - XL - XXL - XXXL
Always select your size using the measurements provided in the current official pattern rather than relying only on your usual ready-to-wear clothing size.
Original Yarn: DROPS Lima
The sweater was designed for DROPS Lima.
Lima is a wool-and-alpaca yarn that works particularly well for warm garments and traditional colorwork.
The yarn gives the sweater warmth while allowing the contrasting Nordic motifs to remain clearly defined.
Can You Substitute the Yarn?
Yes, but gauge and fabric characteristics should guide your choice.
For a colorwork sweater, a successful substitute should:
- Match the required gauge after washing
- Provide clear stitch definition
- Have enough body for the patterned yoke
- Be comfortable for a warm pullover
- Offer enough contrast between motif colors
DROPS also provides yarn-substitution information on the official pattern page.
Choose Colors with Enough Contrast
Color selection is particularly important in Nordic knitting.
If the two shades are too similar in value, the motifs may disappear even if the individual colors look beautiful separately.
Before beginning the yoke, place your yarns next to each other and check whether the motif color is clearly distinguishable from the background.
Try the Black-and-White Photo Test
A useful way to evaluate color contrast is to photograph the yarns together and view the image in grayscale.
If the shades remain easy to distinguish without color, they are more likely to produce clearly visible motifs in the finished sweater.
Working Stranded Colorwork
The patterned yoke requires working with more than one color.
The unused yarn travels behind the active stitches as a float while the other color is being knitted.
The goal is to keep those floats relaxed enough that the finished fabric remains flexible.
Avoid Tight Floats
One of the most common problems in stranded knitting is pulling the unused yarn too tightly behind the work.
Tight floats can cause the yoke to pucker and can reduce the finished circumference.
Spread recently worked stitches along the right needle before changing colors. This helps provide enough yarn for the float to span naturally across the back of the fabric.
Keep Your Colorwork Tension Consistent
Your stockinette gauge and colorwork gauge may not automatically match.
Some knitters tighten their stitches when working with two colors, while others produce a looser fabric.
For that reason, a colorwork swatch is more informative than testing only plain stockinette.
Swatch Before Starting
A sweater represents a substantial investment of yarn and knitting time.
Make a swatch using the yarn combination you intend to use and wash it according to the yarn-care instructions before taking final measurements.
If possible, include some stranded colorwork in your swatch so you can evaluate both gauge and color contrast.
Reading the Nordic Chart
The official DROPS pattern provides diagrams for the patterned sections.
Each square represents a stitch, and the chart shows where the contrasting colors are used.
Place markers between repeats if that helps you notice mistakes before they travel too far around the yoke.
Do Not Copy Charts from Other Websites
Always use the current diagrams on the official DROPS page.
Images reposted on Pinterest, social media or old pattern collections can be incomplete, resized or separated from important written instructions.
The official source is the best place to check both the chart and the accompanying directions.
Working the Body
Much of the body provides a calmer visual background for the decorative yoke.
This makes it a useful section for settling into an even knitting rhythm after the more concentration-intensive colorwork.
Continue checking the garment dimensions as you work rather than relying entirely on row counting.
Working the Sleeves
The sleeves continue the classic pullover silhouette and require careful attention to shaping.
If you are adjusting sleeve length, remember that changes can also alter the amount of yarn required.
Try the Sweater On During Knitting
Whenever the construction allows, checking the sweater against the wearer can help you evaluate body and sleeve length.
This is particularly useful if your row gauge differs slightly from the designer's gauge.
Skills Used in September Sweater
This project can help you practice:
- Knitting a garment
- Working in the round
- Reading colorwork charts
- Stranded knitting
- Managing yarn floats
- Round-yoke shaping
- Increasing and decreasing
- Working ribbed edges
- Blocking colorwork
Is September Sweater Beginner Friendly?
If this is your first knitting project ever, a simpler scarf, hat or plain sweater will probably be easier.
However, knitters who are already comfortable with knit and purl stitches and knitting in the round may find a Nordic yoke sweater an excellent introduction to stranded colorwork.
The key new skill is maintaining relaxed, even tension while following the color chart.
A Good First Colorwork Sweater?
A round-yoke sweater can be an attractive first larger colorwork project because the decorative knitting is concentrated into defined sections.
Work slowly through the chart, use markers between repeats, and check the fabric regularly for puckering.
Correcting a colorwork mistake is much easier when you notice it within the same round.
Blocking Is Especially Important
Freshly knitted stranded colorwork can look slightly uneven.
Proper wet blocking often helps the stitches relax and allows the motif to settle into a smoother fabric.
Follow the washing instructions for your chosen yarn and avoid stretching the sweater beyond its intended measurements.
Check the Yoke After Blocking
The finished yoke should lie comfortably around the shoulders without severe puckering or excessive loose fabric.
This is one reason both gauge and float tension matter before you reach the finishing stage.
Why This Design Still Works
Nordic sweaters have a long-lasting visual appeal because the decorative motifs provide interest without depending heavily on short-lived fashion details.
September Sweater combines that traditional character with a practical everyday pullover shape.
Important: There Is Another Famous September Sweater
Same Name, Different Pattern
PetiteKnit also publishes a very popular design called September Sweater. It is a different sweater first published in 2019 and uses brioche stitch. The pattern featured on this Amazing Knitting page is the older Nordic September Sweater / DROPS 150-15. Do not mix the yarn, gauge, sizing or instructions from the two designs.
Is September Sweater Still Free?
Yes.
DROPS Design continues to publish September Sweater / DROPS 150-15 as a complete free knitting pattern.
The official page contains the current sizing, materials, diagrams and knitting instructions in multiple languages.
Amazing Knitting does not reproduce the complete copyrighted row-by-row directions or charts. Use the official DROPS page for the full pattern.
Get the Free September Sweater Pattern
Visit DROPS Design for the complete official pattern, diagrams and instructions:
Get the Free September Sweater Pattern →
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Before You Cast On
Begin by choosing your size from the official DROPS measurements and making a gauge swatch with your intended yarn.
Check the contrast between your colors before committing to the full yoke, and practice keeping your floats relaxed if stranded knitting is new to you.
Most importantly, keep the official DROPS pattern open while you work so you are following the current diagrams and instructions rather than an incomplete copy from another website.
Pattern credit: September Sweater / DROPS 150-15 is a DROPS Design pattern. Amazing Knitting provides an independent project guide and does not reproduce the complete copyrighted pattern instructions or charts. Please retain the existing photograph and its original credit from the previous Amazing Knitting page.





