Sand Point Weather in September

The climate in Sand Point during September can be summarized as cool and a little damp.

September is in the fall / autumn in Sand Point and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 6°C (42°F) is normal.

On average September is the wettest month of the year in Sand Point with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.8 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 Sand Point in September 2025.