Weather in Olympia in September
The weather in Olympia in September is variable, when the days are comfortable with over 24 degrees, while it might get colder when night falls with less than 7 degrees on average. Also, there are around 11 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
7° - 24°
Avg Rainy Days
11

Avg Dry Days
19

Avg Snow Days
0
Weather Facts - Olympia in September
* The warmest temperature recorded in in September is 33°C
* The coldest temperature recorded in Olympia in September is (-3°C)
* The average rainfall in Olympia in September is 30 mm