September Weather in Zermatt

Last updated: March 2, 2024

The weather in Zermatt, Switzerland, during September is characterized by an average temperature of 6°C (44°F). Highs can soar to 16°C (61°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Zermatt throughout September hovers around 74%.

-4°C (25°F)

Minimum temperature

6°C (44°F)

Average temperature

16°C (61°F)

Maximum temperature

74%

Humidity

Precipitation and Sunshine hours

In September, Zermatt averages 116 mm (4.6 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 11 hours 6 minutes each day. Additionally, there is a 23% probability of sunny days during this period.

116 mm (4.6 inches)

Precipitation

19 rainy days

Rainy days

11 hours 6 minutes

Sunshine hours

23%

Chance of sun

UV Index

In September, the UV Index in Zermatt reaches a maximum of 7, 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 5 7 7 7 6 4 3 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Zermatt's Climate with Cities Worldwide