The temperatures in Vernier in September are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Vernier during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Vernier in September 2025.
If you’re planning to visit Vernier in the near future, we highly recommend that you review the 14 day weather forecast for Vernier before you arrive.
Temperatures
21° / 8°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
116
mm
Sun Hours
11.0
Hrs
