Seal Beach Weather in September

Seal Beach in September sees high daytime temperatures of 26°C (79°F) and nighttime lows of 18°C (64°F). With just 3.1 mm (0.1 in) of rainfall expected, it's a dry month overall.

Rainfall in Seal Beach in September

Records from the past 30 years suggest around a single day of rain, with 3.1 mm (0.1 in) average for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Seal Beach in September

September is a good time to be in Seal Beach. Days are perfect, reaching 26°C (79°F), with nights around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Seal Beach in September

There are approximately 278 hours of sunshine this month, resulting in mostly clear days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Seal Beach.

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• January
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• October
• November
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For a detailed overview over the year and the best time to visit the United States of America, check out our Seal Beach's climate page.

Seal Beach Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 3%  

Precipitation 3.1 mm (0.1 in)  

Rainy days a single day  

Humidity 67% *  

Sunshine 278 hours *  

Percentage Sunshine 75% *  

* Data from: Los Angeles, the United States of America (34 KM, 21 Miles).

What to Wear in Seal Beach in September

Warm but pleasant conditions in Seal Beach in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Seal Beach 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 Seal Beach's climate page.

More climate data for Seal Beach

Temperature Rainfall Sunshine Humidity

See the full Seal Beach climate overview or explore weather in the United States of America.