Early autumn · Weather & things to do
Colmar in September
Colmar cools off: highs slip to 71°F (22°C), from 79°F in August, with lows of 51°F (10°C) and about 2.5 in (64 mm) of rain.
At 87/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 71°F (22°C)
- Avg low
- 51°F (10°C)
- Rain
- 2.5 in (64 mm)
- Humidity
- 76%
- Cloud cover
- 59%
- Daylight
- ~12 h 20 min
- Comfort score
- 87/100 · Great
What September feels like
Warm afternoons near 71°F (22°C) make long days outdoors easy.
Lows average 51°F (10°C).
Showers are part of the month, adding up to about 2.5 in (64 mm).
Plan around September
September is one of Colmar's best months on the climate data.
- Last warm month for a while: October highs fall to 62°F.
- Last of the best-scoring months: by October, the score drops to 78/100.
- Comfort improves from 82/100 in August to 87/100.
- Our Colmar, Kaysersberg & Strasbourg route is planned for Late Nov – Dec 24, a window set by the holiday season rather than the weather — September falls outside it.
What to pack for September
- Light, breathable clothes71°F afternoons
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Colmar in September
With conditions on your side, the picks below favor time outside.
Place des Dominicains Christmas market
Wooden chalets line the square beside the Dominican church, under strings of stars and lit plane trees.
Musée Unterlinden
A former convent museum built around the Isenheim Altarpiece by Matthias Grünewald.
Collégiale Saint-Martin
Colmar's Gothic collegiate church, with a market set up on the square around it in December.
Wistub Brenner
A long-running wine tavern on the edge of Petite Venise serving choucroute, baeckeoffe and Alsace wine by the glass.
Nearby in September
- Strasbourg in September~39 mi · highs 71°F, 2.2 in rain · similar daytime temperatures, about as wet
- Zurich in September~74 mi · highs 67°F, 4.1 in rain · 2°C (4°F) cooler by day, wetter
- Lucerne in September~84 mi · highs 68°F, 4.0 in rain · 2°C (3°F) cooler by day, wetter
- Interlaken in September~99 mi · highs 69°F, 4.2 in rain · 1°C (2°F) cooler by day, wetter
These averages also cover Kaysersberg.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~368 m to Colmar's ~190 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Colmar in September: quick answers
Is September a good time to visit Colmar?
Yes. On the climate data it's one of the best months, scoring 87/100. Expect highs of 71°F (22°C) and 2.5 in (64 mm) of rain.
How hot is Colmar in September?
Average highs are 71°F (22°C) and average lows 51°F (10°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Colmar in September?
Some: about 2.5 in (64 mm) of rain falls across September on average, the 6th-driest month of the year. The annual total is about 33.3 in (847 mm).
What should I pack for Colmar in September?
Bring light, breathable clothes (71°F afternoons), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
Planning Colmar in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.