SeasonMapFreiburg weather in September
Germany
September in Freiburg: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Freiburg · #218 of 1383 destinations to visit in September · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Freiburg in September
Freiburg's forum calls it Germany's warmest and sunniest city, so odds of good September weather are better than most of the country, though the region is genuinely capable of a rainy, cool spell any time of year. Regulars note September is a pleasant month in the surrounding wine country as the grapes ripen, and recommend layers since daytime highs can swing widely from one week to the next.
Add your own note from Freiburg's card on the map.
Freiburg climate normals — September
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 67 mm / 2.6 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12.6 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Freiburg in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Freiburg's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherFreiburg's best weather comes in June, July and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Freiburg in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Kaiserstuhl wine harvest
5 Sep – 15 Oct · usuallyThe vineyards on the volcanic hills west of the city are picked from early September, and the Neuer Wein appears in the taverns while it is still cloudy and half-fermented.
Nearby, and something's on
Within 300 km of Freiburg — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Freiburg?
Freiburg in September — FAQ
- Is September a good time to visit Freiburg?
- September in Freiburg: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Freiburg on SeasonMap's comfort score (90/100).
- What is the weather like in Freiburg in September?
- In September, Freiburg averages a daily high of 22.4°C and a low of 10.5°C, with about 67.2 mm of rain over roughly 9.1 rainy days.
- What is the air quality in Freiburg in September?
- Freiburg has a mean US Air Quality Index of about 37 in September.
Other months in Freiburg
Compare Freiburg in September
Warmer or cooler than Freiburg in September
Similar destinations in Central Europe — September
Within 300 km: Strasbourg's Cathedral summer light show around 1 Jul – 5 Sep, and Interlaken's Lake steamers on summer timetable on 9 May – 11 Oct.