Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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 excellent 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.
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).
Newport Beach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newport Beach - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Newport Beach 3-Day Forecast
More climate data for Newport Beach
See the full Newport Beach climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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