Weather in Riverside in September
The weather in Riverside in September rangers from pleasant to hot, when night temperatures are around 16 degrees, while during the day the temperatures get over 31 . Although nights get cool to a certain extent, it is important to prepare for summer days with light clothes and a lot of water.
Avg Temp
16° - 31°
Avg Rainy Days
1
Avg Dry Days
29
Avg Snow Days
0
Weather Facts - Riverside in September
* The warmest temperature recorded in in September is 42°C
* The coldest temperature recorded in Riverside in September is 12°C
* The average rainfall in Riverside in September is 1 mm