Shannon Weather in September

What's the weather like in Shannon (Munster) in September 2022?

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

September is in the fall / autumn in Shannon and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 10°C (50°F) is normal.

Shannon weather averages (imperial / metric)
Daytime temperature 17.2°C 63°F
Nightly temperature 10°C 50°F
Average temperature 13.6°C 56.5°F
Daily sunshine 4 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 18 days
Sea temperature 15.4°C 59.6°F
Humidity 84%
Windspeed 16.9kph 11 mph

On average September is the 5th wettest month of the year in Shannon with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 4 hours of sunshine per day.

September temperatures in Shannon

Shannon average temperature in September

September rainfall

Shannon average rain in September

September hourly sunshine

Shannon 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 Shannon in September 2022.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Shannon weather stats

Shannon weather statistics
Hottest month: July 19.2°C 66.6°F
Driest month: April 59mm 2.3ins
Sunniest month: May 6.2hrs
Coldest month: January 8.1°C 46.6°F
Wettest month: December 109mm 4.3ins
Map showing location of Shannon (52.70389, -8.86417)

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