Geneva Weather in September
Switzerland · 30-year monthly averages
🌟 Great time to visit
September in Geneva is pleasantly warm, with average daytime highs around 21°C (70°F) and nighttime lows near 11°C (51°F). Expect roughly 91mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
Avg high
21°C
70°F
Avg low
11°C
51°F
Rainfall
91mm
moderate
Rainy days
8
days with ≥1mm
☀️ About 184 hours of sunshine over the month (~6h/day).
🎒 What to pack
- light layers
- comfortable walking shoes
September vs the rest of the year
FAQ
- How hot is Geneva in September?
- September in Geneva is pleasantly warm, with average daytime highs around 21°C (70°F) and nighttime lows near 11°C (51°F). Expect roughly 91mm of precipitation spread over about 8 rainy days, with a moderate amount of rain.
- Does it rain a lot in Geneva in September?
- Geneva sees around 91mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Geneva?
- September is one of the best months to visit Geneva — comfortable temperatures and manageable rainfall.