Santa Ana weather in September 2025

The weather in Santa Ana in September is hot. The average temperatures are between 20°C and 28°C.

You can expect a few rainy days in Santa Ana 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 Santa Ana in September 2025.

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

Temperatures

28° / 20°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.9

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 31° /20°	2 30° /20°	3 31° /20°	4 31° /21°	5 34° /22°	6 34° /22°
7 33° /22°	8 36° /23°	9 35° /24°	10 31° /22°	11 31° /21°	12 30° /20°	13 28° /19°
14 27° /18°	15 26° /17°	16 25° /17°	17 24° /17°	18 24° /16°	19 25° /17°	20 25° /16°
21 26° /17°	22 29° /18°	23 30° /18°	24 28° /16°	25 29° /18°	26 28° /17°	27 30° /18°
28 28° /18°	29 28° /17°	30 28° /17°

Explore the weather in Santa Ana in other months

Santa Ana annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	20° / 11°	3	28	70 mm	Good	Santa Ana in January
February	19° / 11°	2	26	68 mm	Good	Santa Ana in February
March	20° / 11°	2	29	44 mm	Good	Santa Ana in March
April	21° / 13°	1	29	23 mm	Good	Santa Ana in April
May	22° / 14°	1	30	15 mm	Good	Santa Ana in May
June	25° / 16°	0	30	4 mm	Perfect	Santa Ana in June
July	27° / 19°	1	30	25 mm	Perfect	Santa Ana in July
August	28° / 20°	1	30	19 mm	Perfect	Santa Ana in August
September	28° / 20°	1	29	15 mm	Perfect	Santa Ana in September
October	25° / 17°	1	30	23 mm	Perfect	Santa Ana in October
November	22° / 14°	1	29	31 mm	Good	Santa Ana in November
December	19° / 11°	3	28	82 mm	Good	Santa Ana in December