Port Talbot Weather in September
What's the weather like in Port Talbot (Wales) in September 2025?
The climate in Port Talbot during September can be summarized as mild and wet.
September is in the fall / autumn in Port Talbot and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 17°C (62°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 16.9°C 62.4°F |
|---|---|
| Nightly temperature | 10.5°C 50.9°F |
| Average temperature | 13.7°C 56.7°F |
| Daily sunshine | 4.9 hrs |
| Avg rainfall | 129 mm 5.1 ins |
| Rainy days | 16 days |
| Sea temperature | 16.1°C 60.9°F |
| Humidity | 87% |
| Windspeed | 17.6kph 11 mph |
On average September is the 5th wettest month of the year in Port Talbot with around 129mm 5.1 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 4.9 hours of sunshine per day.
September temperatures in Port Talbot
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 Port Talbot in September 2025.
Other monthly averages
Best places to visit in September
Port Talbot weather stats
| Hottest month: | July | 19.2°C 66.6°F |
|---|---|---|
| Driest month: | April | 82mm 3.2ins |
| Sunniest month: | May | 6.7hrs |
| Coldest month: | February | 6.7°C 44.1°F |
| Wettest month: | December | 169mm 6.7ins |
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