Santa Ana September Weather

Averages and records for weather in Santa Ana, California in the month of September.
Typical Santa Ana September Weather
1991–2020
Average daily high 84.9 °F
Average daily low 63.4 °F
Average monthly precipitation 0.1 inches
Average monthly snow none
Daily chance of precipitation 2.0%
Daily chance of snow 0%
Santa Ana September Weather Records
1906–2024
Highest temperature 111 °F September 27, 2010
Lowest temperature 40 °F September 26, 1948
Highest daily low 80 °F September 9, 1984
Lowest daily high 64 °F September 25, 1916
Hottest average high temperature 91.2 °F 1984
Coldest average high temperature 77.4 °F 1986
Most daily precipitation 2.8 inches September 25, 1939
Most monthly precipitation 3.9 inches 1939
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 85.8 64.6 108 46
September 2 85.8 64.5 106 47
September 3 85.7 64.5 105 45
September 4 85.7 64.4 108 45
September 5 85.7 64.3 110 46
September 6 85.5 64.2 110 45
September 7 85.4 64.1 105 51
September 8 85.4 64.0 105 45
September 9 85.3 64.0 103 47
September 10 85.2 63.8 100 46
September 11 85.1 63.8 102 46
September 12 85.0 63.7 105 45
September 13 84.9 63.6 103 45
September 14 84.9 63.5 101 44
September 15 84.8 63.4 102 48
September 16 84.8 63.3 101 47
September 17 84.8 63.2 103 45
September 18 84.6 63.1 106 43
September 19 84.4 62.9 108 46
September 20 84.1 62.7 109 45
September 21 83.9 62.6 111 43
September 22 83.7 62.4 111 43
September 23 83.6 62.2 106 41
September 24 83.6 62.0 104 42
September 25 83.5 61.9 103 42
September 26 83.4 61.8 110 40
September 27 83.2 61.7 111 41
September 28 83.2 61.5 107 41
September 29 83.1 61.4 100 43
September 30 83.0 61.3 104 43
Weather Station Details
Years Station Coordinates
1906–2024 Santa Ana Fire Station location