Weather in Plymouth in September
The weather in Plymouth in September is variable, when the days are comfortable with over 23 degrees, while it might get colder when night falls with less than 9 degrees on average. Also, there are around 14 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
9° - 23°
Avg Rainy Days
14
Avg Dry Days
16
Avg Snow Days
0
Weather Facts - Plymouth in September
* The warmest temperature recorded in in September is 34°C
* The coldest temperature recorded in Plymouth in September is (-6°C)
* The average rainfall in Plymouth in September is 77 mm