Sylva Weather in September

The climate in Sylva during September can be summarized as mild and damp.

September is in the fall / autumn in Sylva and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (53°F) is normal.

On average September is the 2nd driest month of the year in Sylva with around 115mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.5 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 Sylva in September 2025.