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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Donegal Airport, DL
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
18°
3
16°
4
15°
5
15°
6
18°
7
16°
8
15°
9
15°
10
15°
11
16°
12
16°
13
17°
14
17°
15
17°
16
17°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
18°
Feels 17
Wind
29 km/h SE
Gust
44 km/h
Humidity
77%
P.O.P
90%
Rain
2-4 mm
Night
15°
Feels 13
Wind
34 km/h W
Gust
52 km/h
Humidity
95%
P.O.P
90%
Rain
1-3 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
15°
Feels 13
Low
11°
Feels 9
Average Precipitation
18 Days
Rain amount
102.9mm
Snow amount
0cm