The climate in Lucerne Valley during September can be summarized as warm and dry.
September is in the fall / autumn in Lucerne Valley and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 14°C (56°F) is normal.
Daytime temperature | 31.2°C 88.1°F |
---|---|
Nightly temperature | 13.5°C 56.2°F |
Average temperature | 22.3°C 72.1°F |
Daily sunshine | 10.5 hrs |
Avg rainfall | 13 mm 0.5 ins |
Rainy days | 2 days |
Sea temperature | 19.3°C 66.8°F |
Humidity | 53% |
Windspeed | 13.7kph 9 mph |
On average September is the 4th driest month of the year in Lucerne Valley 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 10.5 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 Lucerne Valley in September 2025.
Best places to visit in September
Hottest month: | July | 35.7°C 96.3°F |
---|---|---|
Driest month: | June | 4mm 0.2ins |
Sunniest month: | August | 11.8hrs |
Coldest month: | December | 13.7°C 56.7°F |
Wettest month: | January | 59mm 2.3ins |