What's the weather like Ireland in September?
On average, it is maximum 16° in September in Ireland and at least around 10° degrees. The sea water temperature is around 18° degrees. In September there are 17 days of rainfall with a total of 31 mm and it will be dry 13 days in this month for Ireland.
Maximum temperature: | 16°C |
Minimum temperature: | 10°C |
Sea temperature: | 18°C |
Dry days: | 13 days |
Days with rain: | 17 days |
Days with snow: | 0 days |
Total rain: | 31 mm |
Hours of sunshine: | 5 hours |
Average wind force: | 3 Bft |
Average UV index: | 3 |
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Weather now in Ireland

0.3°C
Average weather per day in September
Weather | Max | Min | Rain | Wind | |
---|---|---|---|---|---|
1 september | ![]() |
14.4°C | 10.8°C | 0.8 mm | ZW 3 Bft |
2 september | ![]() |
14.8°C | 11.5°C | 2.3 mm | ZW 3 Bft |
3 september | ![]() |
14.9°C | 11.1°C | 1.3 mm | ZW 3 Bft |
4 september | ![]() |
15.0°C | 11.5°C | 0.8 mm | WZW 3 Bft |
5 september | ![]() |
15.0°C | 11.8°C | 1.8 mm | ZW 3 Bft |
6 september | ![]() |
14.6°C | 11.4°C | 2.9 mm | ZW 3 Bft |
7 september | ![]() |
14.1°C | 11.2°C | 1.6 mm | WZW 3 Bft |
8 september | ![]() |
14.5°C | 11.1°C | 1.0 mm | ZW 3 Bft |
9 september | ![]() |
14.1°C | 10.4°C | 1.3 mm | ZW 3 Bft |
10 september | ![]() |
14.2°C | 10.8°C | 2.0 mm | ZW 3 Bft |
11 september | ![]() |
14.8°C | 11.7°C | 1.3 mm | ZZW 3 Bft |
12 september | ![]() |
14.4°C | 10.8°C | 1.8 mm | ZW 3 Bft |
13 september | ![]() |
14.1°C | 10.5°C | 1.2 mm | ZW 3 Bft |
14 september | ![]() |
14.3°C | 11.1°C | 1.5 mm | ZZW 3 Bft |
15 september | ![]() |
13.6°C | 10.4°C | 1.0 mm | ZW 3 Bft |
16 september | ![]() |
13.4°C | 10.1°C | 1.5 mm | ZW 3 Bft |
17 september | ![]() |
12.9°C | 9.3°C | 0.7 mm | WZW 3 Bft |
18 september | ![]() |
12.7°C | 9.0°C | 1.1 mm | ZW 3 Bft |
19 september | ![]() |
13.1°C | 9.6°C | 1.0 mm | ZW 3 Bft |
20 september | ![]() |
13.5°C | 10.3°C | 1.8 mm | ZZW 3 Bft |
21 september | ![]() |
13.3°C | 9.6°C | 2.0 mm | ZW 3 Bft |
22 september | ![]() |
13.5°C | 9.8°C | 1.8 mm | ZW 3 Bft |
23 september | ![]() |
13.0°C | 9.5°C | 1.1 mm | ZW 3 Bft |
24 september | ![]() |
12.8°C | 9.3°C | 2.2 mm | ZZW 3 Bft |
25 september | ![]() |
12.4°C | 9.1°C | 1.1 mm | ZW 3 Bft |
26 september | ![]() |
13.0°C | 9.9°C | 1.1 mm | ZZW 3 Bft |
27 september | ![]() |
13.0°C | 9.6°C | 1.7 mm | ZZW 3 Bft |
28 september | ![]() |
13.3°C | 10.3°C | 0.8 mm | ZW 3 Bft |
29 september | ![]() |
13.1°C | 9.8°C | 1.2 mm | ZZW 3 Bft |
30 september | ![]() |
13.2°C | 10.3°C | 3.2 mm | ZZW 3 Bft |