Llanfairpwllgwyngyll Weather in September

What's the weather like in Llanfairpwllgwyngyll (Wales) in September 2024?

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

September is in the fall / autumn in Llanfairpwllgwyngyll and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 11°C (51°F) is normal.

Llanfairpwllgwyngyll weather averages (imperial / metric)
Daytime temperature 16.9°C 62.3°F
Nightly temperature 10.6°C 51°F
Average temperature 13.7°C 56.7°F
Daily sunshine 4.7 hrs
Avg rainfall 97 mm 3.8 ins
Rainy days 17 days
Sea temperature 15.1°C 59.2°F
Humidity 85%
Windspeed 19.8kph 12 mph

On average September is the 5th wettest month of the year in Llanfairpwllgwyngyll with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 hours of sunshine per day.

September temperatures in Llanfairpwllgwyngyll

Llanfairpwllgwyngyll average temperature in September

September rainfall

Llanfairpwllgwyngyll average rain in September

September hourly sunshine

Llanfairpwllgwyngyll 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 Llanfairpwllgwyngyll in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Llanfairpwllgwyngyll weather stats

Llanfairpwllgwyngyll weather statistics
Hottest month: August 18.6°C 65.5°F
Driest month: May 64mm 2.5ins
Sunniest month: May 7.1hrs
Coldest month: February 7.5°C 45.5°F
Wettest month: November 129mm 5.1ins
Map showing location of Llanfairpwllgwyngyll (53.22141, -4.20329) Llanfairpwllgwyngyll map pin © Google

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