Klamath Falls Weather in September

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

September is in the fall / autumn in Klamath Falls and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 5°C (40°F) is normal.

On average September is the 3rd driest month of the year in Klamath Falls with around 17mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.2 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 Klamath Falls in September 2024.