Weather in Derry in September
Derry temperatures in September range from 10 to 15 and there is an average of 0 days of rain.
Avg Temp
10° - 15°
Avg Rainy Days
0
Avg Dry Days
30
Avg Snow Days
0
Weather Facts - Derry in September
* The warmest temperature recorded in in September is 23°C
* The coldest temperature recorded in Derry in September is 5°C
* The average rainfall in Derry in September is 1 mm
Yearly Average for Derry
Max Temp
Min Temp
Rainy Days
Jan.
7°
4°
1
Feb.
7°
4°
0
March
9°
5°
0
April
10°
5°
0
May
13°
8°
0
June
15°
10°
0
July
17°
12°
0
August
17°
12°
0
Sep.
15°
10°
0
Oct.
12°
8°
0
Nov.
9°
6°
0
Dec.
7°
4°
0