World Resorts USA Santa Ana Weather

Santa Ana weather in September

Weather in Santa Ana: September

Average day temperature: 82.2°F
Average night temperature: 69.1°F
Sea water temperature: 69.1°F
Number of sunny days: 24 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.3 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 104°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during September were 84.2°F and 68.7°F.

Sea water temperature in Santa Ana in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 73.6°F. The highest and lowest sea temperatures during the month were 76.6°F and 72.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Santa Ana in September is 0.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.6 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.2.

Best time for vacation in Santa Ana

Sunniest months:
August 27 days
July 26 days
September 24 days
Warmest months:
August 84.3 °F
September 82.2 °F
July 81.9 °F
Warmest sea temp:
August 69.5 °F
September 69.1 °F
July 67.8 °F
Coldest months:
January 65.1 °F
December 65.5 °F
February 66.2 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
May 6.9 mph
April 6.6 mph
June 6.6 mph

Santa Ana on a weather map

Santa Ana
+93°F
NE 5 mph
Feels like: +91°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+61°F
+79°F
+91°F
+91°F
+84°F
+73°F
+72°F
+61°F
+82°F
+68°F
+84°F
+82°F
+64°F
24 Hours Forecast
Santa Ana
Local time: 17:35
October 04, sunday
1800
93°F
NE
5 mph
2100
86°F
E
2 mph
October 05, monday
0000
82°F
W
0 mph
0300
81°F
SW
3 mph
0600
79°F
SW
3 mph
0900
91°F
SW
2 mph
1200
99°F
SE
6 mph
1500
99°F
E
12 mph
Units of measurement: °C / °F