Newport Beach weather in September 2025

The temperatures in Newport Beach in September are comfortable with low of 19°C and and high up to 26°C.

You can expect a few rainy days in Newport Beach during September, but usually the weather is comfortable in September.

Our weather forecast can give you a great sense of what weather to expect in Newport Beach in September 2025.

If you’re planning to visit Newport Beach in the near future, we highly recommend that you review the 14 day weather forecast for Newport Beach before you arrive.

Temperatures

26° / 19°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.8

Hrs

Explore the weather in Newport Beach in other months

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	18° / 11°	3	28	64 mm	Good	Newport Beach in January
February	18° / 11°	3	26	61 mm	Good	Newport Beach in February
March	18° / 11°	2	29	46 mm	Good	Newport Beach in March
April	19° / 12°	1	29	22 mm	Good	Newport Beach in April
May	20° / 14°	1	30	22 mm	Good	Newport Beach in May
June	22° / 15°	0	30	7 mm	Good	Newport Beach in June
July	24° / 18°	2	29	37 mm	Perfect	Newport Beach in July
August	25° / 19°	1	30	29 mm	Perfect	Newport Beach in August
September	26° / 19°	1	29	20 mm	Perfect	Newport Beach in September
October	23° / 17°	1	30	29 mm	Perfect	Newport Beach in October
November	21° / 14°	1	29	35 mm	Good	Newport Beach in November
December	18° / 11°	3	28	87 mm	Good	Newport Beach in December