September weather forecast
Stuttgart, Germany

September, the doorway to autumn in Stuttgart, brings in a palpable transformation in the weather patterns. The decline in daylight to 12.6 hours, combined with a UV index of 4, adds to the changing dynamics of the city's atmosphere. September's temperament varies considerably from August's end-summer period with a lesser rainfall quantity of 57mm (2.24"). The temperature extends from 12.8°C (55°F) to 21.7°C (71.1°F), drawing citizens outdoors to bask in the mild weather before the winter sets in.

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 26.6°C (79.9°F) in August to a pleasant 21.7°C (71.1°F). Stuttgart sees an average low-temperature of 12.8°C (55°F) during September.

Rainfall

In September, in Stuttgart, the rain falls for 11 days. Throughout September, 57mm (2.24") of precipitation is accumulated. Throughout the year, there are 172 rainfall days, and 714mm (28.11") of precipitation is accumulated.

Daylight

In Stuttgart, Germany, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:40 and sunset at 20:05. On the last day of September, in Stuttgart, sunrise is at 07:22 and sunset at 19:04 CEST.

Sunshine

In September, the average sunshine in Stuttgart, Germany, is 6.3h.

UV index

In Stuttgart, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.