Truro Weather in September

The climate in Truro during September can be summarized as mild and a little damp.

September is in the fall / autumn in Truro and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 11°C (52°F) is normal.

On average September is the 6th driest month of the year in Truro with around 86mm 3.4 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 5.5 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 Truro in September 2024.