Weather in Richland in September
The weather in Richland in September varies radically. Daytime is relatively hot since temperatures get higher than 28 degrees, while the nights are much colder and there are no more than 11 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
11° - 28°
Avg Rainy Days
4
Avg Dry Days
26
Avg Snow Days
0
Weather Facts - Richland in September
* The warmest temperature recorded in in September is 39°C
* The coldest temperature recorded in Richland in September is (-2°C)
* The average rainfall in Richland in September is 6 mm