The weather in Roseville in September is hot. The average temperatures are between 15°C and 32°C. Usually the days in September are hot while the nights are a bit cooler.
You can expect up to 3 rainy days in Roseville during the month of September.
Our weather forecast can give you a great sense of what weather to expect in Roseville in September 2025.
If you’re planning to visit Roseville in the near future, we highly recommend that you review the 14 day weather forecast for Roseville before you arrive.
Temperatures
32° / 15°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
9
mm
Sun Hours
11.9
Hrs