Weather in Renton in September

The weather in Renton 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 - Renton in September

* The warmest temperature recorded in in September is 33°C
* The coldest temperature recorded in Renton in September is (-3°C)
* The average rainfall in Renton in September is 30 mm

Average Temperature in Renton