Measurements:
°C
°F
Santa Ana
56°F
SW 3 mph
Feels like: 56°F
Precip: 0%
World Resorts USA Santa Ana Weather September Weather in Santa Ana

Santa Ana Weather: September

Average Day Temperature: 85.4°F
Average Night Temperature: 71.3°F
Sea Water Temperature: 70.4°F
Number of Sunny Days: 24 days
Sunshine Hours: 11.9 - 12.9 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 98°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 85.3°F и 69.9°F respectivly.

Santa Ana Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Santa Ana was 71.5°F. The maximum and minimum values were 68.6°F and 74.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Santa Ana is 0.0 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Santa Ana in September is 10.7 hours.

Best Time to Visit Santa Ana
The most sunny months:
August 28 days
July 28 days
September 24 days
The most warm months:
August 86.8 °F
September 85.4 °F
July 84.4 °F
Warmest sea temperature:
August 71.1 °F
September 70.4 °F
July 69.3 °F
The most cold months:
January 65.5 °F
March 65.6 °F
December 66.4 °F
The most rainy months:
January 2 days
December 2 days
February 1 day
The most windy months:
May 7 mph
March 6 mph
June 6 mph

Santa Ana on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Santa Ana
Local time: 01:20
05 dec, friday
0300 52°F
S
2 mph
0600 46°F
W
2 mph
0900 50°F
NW
2 mph
1200 70°F
NE
3 mph
1500 74°F
NE
6 mph
1800 66°F
NE
5 mph
2100 60°F
NE
3 mph
06 dec, saturday
0000 56°F
NE
1 mph