Arklow Weather in September

What's the weather like in Arklow (Leinster) in September 2022?

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.

Arklow weather averages (imperial / metric)
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

Arklow average temperature in September

September rainfall

Arklow average rain in September

September hourly sunshine

Arklow average rain in September

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 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Arklow weather stats

Arklow weather statistics
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
Map showing location of Arklow (52.79306, -6.14139)

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