Stuttgart Weather in September
With daytime temperatures of 21°C (70°F) and nighttime lows of 10°C (50°F), September in Stuttgart brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 72 mm (2.8 in) falls on average.
Rainfall in Stuttgart in September
Climate statistics over the past 30 years suggest around 12 days of rain, with 72 mm (2.8 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Stuttgart in September
September in Stuttgart is generally perfect, with days reaching 21°C (70°F) and nights settling around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Stuttgart in September
You can expect a moderate amount of sunlight, with approximately 171 hours. This means a pleasant mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Stuttgart.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Stuttgart's climate page.
Stuttgart Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Stuttgart typically drop from around 20°C (68°F) at the start of September to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in September
Historical weather for Stuttgart in September
Browse day-by-day weather records for Stuttgart spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stuttgart historical weather extremes in September
Based on 49 years of weather observations in Stuttgart between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 13, 2016, with a maximum of 32°C (90°F).
- Nighttime temperatures dropped to -1°C (30°F) on September 25, 2002, marking the coldest September night on record.
Best Places in Germany in September
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in September →
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What to Wear in Stuttgart in September
For Stuttgart in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Stuttgart in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Stuttgart's climate page.
See the full Stuttgart climate overview or explore weather in Germany.