September · France
Best time to visit Colmar in September Weather, crowds & prices
Weather in Colmar in September
Average temperature 17°C, 81 mm of rain, about 24 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.5/10
Ranked #4 of 12 months
- Avg temp
- 17°C
- Rainfall
- 81 mm
- Humidity
- 73%
- Days with 6h+ sun
- 24
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Colmar scores 8.5/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 17°C, 81 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.
Colmar's half-timbered houses, canal quarter and wine route make it the heart of Alsace.
September in Colmar — one of the year's strongest windows (4th)
September averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 81 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 12.6 hours of daylight.
A 8.5/10 puts this among the year's best months in Colmar (4th of 12); only July scores higher, at 9/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Colmar in September?
- In September, Colmar averages 17°C, 81 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is September a good time to visit Colmar?
- September earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Colmar in September?
- Expect about 81 mm of rain in September. Average humidity is 73% and there are about 24 days with 6+ hours of sunshine.
Curated in Colmar
Tickets & experiences
Things to do in Colmar
Colmar, France. Live activities and tours from GetYourGuide, matched to this destination.