September Weather in Aristau

Last updated: March 2, 2024

The weather in Aristau, Switzerland, during September is characterized by an average temperature of 15°C (60°F). Highs can soar to 26°C (80°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Aristau throughout September hovers around 83%.

6°C (43°F)

Minimum temperature

15°C (60°F)

Average temperature

26°C (80°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In September, Aristau averages 106 mm (4.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 30 minutes of daylight, with the sun shining for approximately 10 hours 40 minutes each day. Additionally, there is a 40% probability of sunny days during this period.

106 mm (4.2 inches)

Precipitation

13 rainy days

Rainy days

10 hours 40 minutes

Sunshine hours

40%

Chance of sun

UV Index

In September, the UV Index in Aristau reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 6 6 6 5 4 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Aristau's Climate with Cities Worldwide