Armagh Weather in September

What's the weather like in Armagh (N Ireland) in September 2023?

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

September is in the fall / autumn in Armagh 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 (47°F) is normal.

Armagh weather averages (imperial / metric)
Daytime temperature 16.1°C 61°F
Nightly temperature 8.5°C 47.3°F
Average temperature 12.3°C 54.1°F
Daily sunshine 3.8 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 19 days
Sea temperature 14.6°C 58.3°F
Humidity 89%
Windspeed 18kph 11 mph

On average September is the 6th wettest month of the year in Armagh with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.8 hours of sunshine per day.

September temperatures in Armagh

Armagh average temperature in September

September rainfall

Armagh average rain in September

September hourly sunshine

Armagh 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 Armagh in September 2023.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Armagh weather stats

Armagh weather statistics
Hottest month: July 18.7°C 65.7°F
Driest month: July 58mm 2.3ins
Sunniest month: May 5.8hrs
Coldest month: January 6.5°C 43.7°F
Wettest month: October 93mm 3.7ins
Map showing location of Armagh (54.35, -6.66667)

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