Parker Weather in September

The climate in Parker during September can be summarized as very hot and dry.

September is in the fall / autumn in Parker and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 38°C (99°F), whilst at night 21°C (70°F) is normal.

On average September is the 5th wettest month of the year in Parker with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 12 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 Parker in September 2025.