Dublin Weather in September

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

The climate in Dublin during September can be summarized as mild and a little damp.

September is in the fall / autumn in Dublin and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (48°F) is normal.

Dublin weather averages (imperial / metric)
Daytime temperature 16°C 60.7°F
Nightly temperature 8.9°C 47.9°F
Average temperature 12.4°C 54.3°F
Daily sunshine 4.6 hrs
Avg rainfall 98 mm 3.9 ins
Rainy days 16 days
Sea temperature 15.3°C 59.5°F
Humidity 84%
Windspeed 17.6kph 11 mph

On average September is the 5th wettest month of the year in Dublin with around 98mm 3.9 inches of rain making it a a little damp 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 4.6 hours of sunshine per day.

September temperatures in Dublin

Dublin average temperature in September

September rainfall

Dublin average rain in September

September hourly sunshine

Dublin 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 Dublin in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Dublin weather stats

Dublin weather statistics
Hottest month: July 18.2°C 64.8°F
Driest month: July 63mm 2.5ins
Sunniest month: May 6.6hrs
Coldest month: February 6.6°C 43.9°F
Wettest month: December 120mm 4.7ins
Map showing location of Dublin (53.33306, -6.24889)

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