The climate in Bala during September can be summarized as mild and dry.
September is in the fall / autumn in Bala and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 24.5°C 76.1°F |
|---|---|
| Nightly temperature | 10.5°C 50.9°F |
| Average temperature | 17.5°C 63.5°F |
| Daily sunshine | 10.8 hrs |
| Avg rainfall | 15 mm 0.6 ins |
| Rainy days | 5 days |
| Sea temperature | 24.7°C 76.5°F |
| Humidity | 48% |
| Windspeed | 8.6kph 5 mph |
On average September is the 3rd driest month of the year in Bala with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.8 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 Bala in September 2025.
Best places to visit in September
| Hottest month: | July | 28.1°C 82.6°F |
|---|---|---|
| Driest month: | August | 7mm 0.3ins |
| Sunniest month: | August | 12.6hrs |
| Coldest month: | January | 2°C 35.6°F |
| Wettest month: | May | 56mm 2.2ins |