Kalbarri Weather in September

The climate in Kalbarri during September can be summarized as mild and dry.

September is in the spring in Kalbarri and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 10°C (50°F) is normal.

On average September is the 5th wettest month of the year in Kalbarri with around 24mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 10 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 Kalbarri in September 2025.