Llantrisant Weather in September
What's the weather like in Llantrisant (Wales) in September 2024?
The climate in Llantrisant during September can be summarized as mild and wet.
September is in the fall / autumn in Llantrisant and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 16.9°C 62.3°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 13.3°C 55.9°F |
| Daily sunshine | 4.8 hrs |
| Avg rainfall | 123 mm 4.8 ins |
| Rainy days | 16 days |
| Sea temperature | 16.1°C 60.9°F |
| Humidity | 88% |
| Windspeed | 16.9kph 11 mph |
On average September is the 5th wettest month of the year in Llantrisant with around 123mm 4.8 inches of rain making it a wet 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 4.8 hours of sunshine per day.
September temperatures in Llantrisant
September rainfall
September hourly sunshine
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 Llantrisant in September 2024.
Other monthly averages
Best places to visit in September
Llantrisant weather stats
| Hottest month: | July | 19.2°C 66.6°F |
|---|---|---|
| Driest month: | April | 82mm 3.2ins |
| Sunniest month: | August | 6.2hrs |
| Coldest month: | February | 6.2°C 43.2°F |
| Wettest month: | December | 163mm 6.4ins |
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