September Weather in Inwil

Last updated: March 2, 2024

The weather in Inwil, 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 Inwil 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, Inwil 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 Inwil 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