Dundalk Weather in September

What's the weather like in Dundalk (Leinster) in September 2024?

The climate in Dundalk during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Dundalk and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 9°C (49°F) is normal.

Dundalk weather averages (imperial / metric)
Daytime temperature 16.9°C 62.4°F
Nightly temperature 9.3°C 48.7°F
Average temperature 13.1°C 55.6°F
Daily sunshine 4.3 hrs
Avg rainfall 79 mm 3.1 ins
Rainy days 16 days
Sea temperature 14.6°C 58.3°F
Humidity 85%
Windspeed 16.9kph 11 mph

On average September is the 4th wettest month of the year in Dundalk with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.3 hours of sunshine per day.

September temperatures in Dundalk

Dundalk average temperature in September

September rainfall

Dundalk average rain in September

September hourly sunshine

Dundalk 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 Dundalk in September 2024.

Other monthly averages

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UV index Best time to go?

Dundalk weather stats

Dundalk weather statistics
Hottest month: July 19.3°C 66.7°F
Driest month: July 55mm 2.2ins
Sunniest month: May 6.3hrs
Coldest month: January 7.5°C 45.5°F
Wettest month: December 87mm 3.4ins
Map showing location of Dundalk (54, -6.41667) Dundalk map pin © Google

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