Lake Arrowhead Weather in September

Thinking of visiting Lake Arrowhead in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 13°C (55°F) at night, with minimal rainfall.

Rainfall in Lake Arrowhead in September

Historically, the month has about 2 days of rain, averaging 8.6 mm (0.3 in) in total. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Lake Arrowhead in September

September is a perfect month in Lake Arrowhead, with 26°C (79°F) during the day and 13°C (55°F) at night. This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Lake Arrowhead in September

Expect a lot of sunshine this month, with about 290 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lake Arrowhead's climate page.

Lake Arrowhead Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 7%  

Precipitation 8.6 mm (0.3 in)  

Rainy days 2 days  

Sunshine 290 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (54 KM, 33 Miles).

What to Wear in Lake Arrowhead in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lake Arrowhead in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lake Arrowhead's climate page.

More climate data for Lake Arrowhead

Temperature Rainfall Sunshine

See the full Lake Arrowhead climate overview or explore weather in the United States of America.