Ullapool Weather in September

The climate in Ullapool during September can be summarized as mild and wet.

September is in the fall / autumn in Ullapool and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (56°F), whilst at night 7°C (45°F) is normal.

On average September is the 5th wettest month of the year in Ullapool with around 178mm 7 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.1 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 Ullapool in September 2024.