Baden-Wurttemberg weather in September
September is one of the best months to visit Baden-Wurttemberg: highs of 21°C (69°F) and about 54 mm (2.1 in) of rain on average. Nights average 9°C (49°F) and cloud cover 62% (NASA POWER, 2001–2025 averages). It is the 3rd driest month of the year and the 4th warmest. Compared with August, it is cooler and drier; October brings highs of 15°C (59°F) and 64 mm (2.5 in) of rain.
Figures are long-term averages for Stuttgart, the largest city in Baden-Wurttemberg. See below for other places.
Is September a good time to visit Baden-Wurttemberg?
best month Weather score 79/100.
Yes. September is one of the best months for weather in Baden-Wurttemberg.
Does it rain a lot in Baden-Wurttemberg in September?
No, it is usually dry: about 54 mm (2.1 in) falls in an average September. It is the 3rd driest month of the year.
How warm is Baden-Wurttemberg in September?
Days average 21°C (69°F) and nights 9°C (49°F).
Baden-Wurttemberg weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 3°C (37°F) | -3°C (26°F) | 67 mm | 80% | least pleasant |
| February | 4°C (40°F) | -3°C (27°F) | 50 mm | 76% | least pleasant |
| March | 9°C (49°F) | 0°C (32°F) | 56 mm | 68% | least pleasant |
| April | 15°C (59°F) | 4°C (39°F) | 47 mm | 66% | fair |
| May | 19°C (66°F) | 8°C (47°F) | 84 mm | 71% | best |
| June | 23°C (74°F) | 12°C (54°F) | 69 mm | 67% | best |
| July | 26°C (78°F) | 14°C (58°F) | 82 mm | 62% | best |
| August | 25°C (78°F) | 14°C (57°F) | 78 mm | 62% | best |
| September | 21°C (69°F) | 9°C (49°F) | 54 mm | 62% | best |
| October | 15°C (59°F) | 5°C (42°F) | 64 mm | 70% | fair |
| November | 8°C (47°F) | 1°C (34°F) | 63 mm | 78% | least pleasant |
| December | 4°C (39°F) | -2°C (29°F) | 70 mm | 81% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Baden-Wurttemberg in September
Weather can differ a lot within Baden-Wurttemberg: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Stuttgart | 21°C (69°F) | 9°C (49°F) | 54 mm | best |
| Mannheim | 21°C (70°F) | 10°C (49°F) | 50 mm | best |
| Karlsruhe | 22°C (71°F) | 10°C (50°F) | 53 mm | best |
| Freiburg | 18°C (64°F) | 8°C (46°F) | 89 mm | best |
| Heidelberg | 21°C (70°F) | 10°C (49°F) | 50 mm | best |
| Heilbronn | 21°C (69°F) | 9°C (49°F) | 54 mm | best |
| Ulm | 19°C (65°F) | 8°C (47°F) | 65 mm | best |
| Pforzheim | 21°C (69°F) | 9°C (49°F) | 58 mm | best |
| Reutlingen | 19°C (66°F) | 8°C (47°F) | 62 mm | best |
| Esslingen | 19°C (66°F) | 8°C (47°F) | 62 mm | best |
| Tübingen | 19°C (66°F) | 8°C (47°F) | 66 mm | best |
| Ludwigsburg | 21°C (69°F) | 9°C (49°F) | 54 mm | best |