Weather in Plymouth in September
The weather in Plymouth in September is relatively comfortable for a trip in terms of degrees (12-18), but it might be rainy (around 17 rainfall days) so it is important to prepare yourself with an umbrella and raincoat.
Avg Temp
12° - 18°
Avg Rainy Days
17
Avg Dry Days
13
Avg Snow Days
0
Weather Facts - Plymouth in September
* The warmest temperature recorded in in September is 26°C
* The coldest temperature recorded in Plymouth in September is 5°C
* The average rainfall in Plymouth in September is 65 mm