The climate in Aberporth during September can be summarized as mild and a little damp.
September is in the fall / autumn in Aberporth and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 16°C (61°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 16.3°C 61.3°F | 
|---|---|
| Nightly temperature | 10.5°C 50.9°F | 
| Average temperature | 13.4°C 56.1°F | 
| Daily sunshine | 5 hrs | 
| Avg rainfall | 81 mm 3.2 ins | 
| Rainy days | 15 days | 
| Sea temperature | 15.6°C 60.1°F | 
| Humidity | 87% | 
| Windspeed | 20.9kph 13 mph | 
On average September is the 5th wettest month of the year in Aberporth with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
 
				 
						 
						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 Aberporth in September 2025.
Best places to visit in September
| Hottest month: | August | 18°C 64.4°F | 
|---|---|---|
| Driest month: | May | 52mm 2ins | 
| Sunniest month: | May | 7.2hrs | 
| Coldest month: | February | 7°C 44.6°F | 
| Wettest month: | October | 106mm 4.2ins | 
 
	 
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