Newport Beach Weather in September

With daytime temperatures of 25°C (77°F) and nighttime lows of 18°C (64°F), September in Newport Beach brings high temperatures during the day. The perfect weather makes it an appealing time to visit.

Rainfall in Newport Beach in September

You can typically expect a single day of rain this month, averaging around 3.8 mm (0.1 in). If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Newport Beach in September

September is one of the better months to visit Newport Beach. Expect 25°C (77°F) during the day and 18°C (64°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 18°C (64°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. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Newport Beach in September

Enjoy a sunny month with about 290 hours of sunshine, the clear skies make Newport Beach even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 Newport Beach's climate page.

Newport Beach Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 3%  

Precipitation 3.8 mm (0.1 in)  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (43 KM, 27 Miles).

What to Wear in Newport Beach in September

Warm but pleasant conditions in Newport 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

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

More climate data for Newport Beach

Temperature Rainfall Sunshine

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