Climate guide for Colmar, France

Colmar in September

Weather, crowds & best time to visit

How to read the score (0–10)
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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

Full year for Colmar
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.