Arklow Weather in September
What's the weather like in Arklow (Leinster) in September 2024?
The climate in Arklow during September can be summarized as mild and a little damp.
September is in the fall / autumn in Arklow and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 16°C (62°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 16.4°C 61.5°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 13.1°C 55.5°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 90 mm 3.6 ins |
| Rainy days | 15 days |
| Sea temperature | 15.5°C 59.9°F |
| Humidity | 84% |
| Windspeed | 18.1kph 11 mph |
On average September is the 5th wettest month of the year in Arklow with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
September temperatures in Arklow
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Arklow in September 2024.
Other monthly averages
Best places to visit in September
Arklow weather stats
| Hottest month: | July | 18.3°C 64.9°F |
|---|---|---|
| Driest month: | July | 57mm 2.2ins |
| Sunniest month: | May | 7hrs |
| Coldest month: | February | 7.4°C 45.3°F |
| Wettest month: | December | 116mm 4.6ins |
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