September Weather in Ulm

Last updated: March 2, 2024

The weather in Ulm, Germany, during September is characterized by an average temperature of 14°C (58°F). Highs can soar to 26°C (80°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Ulm throughout September hovers around 85%.

3°C (38°F)

Minimum temperature

14°C (58°F)

Average temperature

26°C (80°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In September, Ulm averages 64 mm (2.5 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 31 minutes of daylight, with the sun shining for approximately 10 hours 30 minutes each day. Additionally, there is a 46% probability of sunny days during this period.

64 mm (2.5 inches)

Precipitation

12 rainy days

Rainy days

10 hours 30 minutes

Sunshine hours

46%

Chance of sun

UV Index

In September, the UV Index in Ulm reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 3 4 5 6 6 5 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

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