Transit Desk

Climate

Weather in Switzerland in September

Weather in Switzerland, September
In September, Switzerland sees average highs of 19.5°C (67°F) and lows of 10.3°C (51°F), with around 132 mm of rain.

Switzerland — September

Switzerland September
Daytime high
19.5°C (67°F)
Overnight low
10.3°C (51°F)
Rainfall
132 mm
Best-time rank
Off-peak

How September compares

Switzerland, September vs. the annual average (2025)
This month19.5°C (67°F) / 10.3°C (51°F) · 132 mm
Yearly average14.5°C (58°F) / 5.4°C (42°F) · 114 mm

September in Switzerland runs 5°C (9°F) warmer than the yearly average, and is wetter than the yearly average. Pack a warm jacket for cooler conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Switzerland in September?

Average highs of 19.5°C (67°F) and lows of 10.3°C (51°F), with around 132 mm of rain.

Is September a good time to visit Switzerland?

It is an off-peak month for comfort in Switzerland; June, July, August tend to be more pleasant.

Updated climate normals, 2025