Weather in Stuttgart in September 2025
Average weather
Average temperature in Stuttgart in September
The temperature in September is +26°C on average, with a range between a maximum of +32°C during the day and a minimum of +6°C at night.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +24°C to +22°C.
Is Stuttgart warm or cold in September?
Stuttgart is typically mild in September.
Maximum temperatures go down compared to the previous month from +25°C to +20°C. The minimum temperature also goes down from +14°C to +11°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Stuttgart:
Climate in Stuttgart in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +20°C | +15°C | ||||
| Min. temperature | ||||||
| +7°C | +2°C | -4°C | ||||
| Max. temperature | ||||||
| +39°C | +35°C | +32°C | ||||
| Rainfall | ||||||
| 86 mm | 67 mm | 71 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 70% | 75% | 81% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 7 | 8 | 6 | ||||
| Cloudy days | ||||||
| 4 | 6 | 9 | ||||
| Rainy days | ||||||
| 16 | 15 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +25°C in the day, the average maximum temperature lowers to +20°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 86 mm to 67 mm. Humidity rises from 70% to 75%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 7 to 8.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Stuttgart is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Stuttgart?
Climate Change over Years
The climate in Stuttgart in September has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+12°C) and the highest in 2014 (+19°C). The driest year was 2003 with only 568 mm of rainfall, and the wettest year was 2002 with 1185 mm.
FAQ
Is September a good time to visit Stuttgart?
Can you sunbathe in Stuttgart in September?
Is Stuttgart rainy in September?
Is it sunny in Stuttgart in September?
Other cities in Germany
Monthly weather in Stuttgart
Source of the data
For this page, we’ve looked at the typical weather in Stuttgart, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.