As of 04:08 PDT

Santa Ana, CA weather in September

70°

Santa Ana, Sunday, 9 August, 04:08

Clear. Feels like 70°. High 97°, low 70°.

Pressure29.85 inHg

Wind3.9 mph SW

Humidity88%

Visibility6.2 mi

Dew point66°

See detailed hourly forecast

In September, Santa Ana, CA averages a high of 79.4° and a low of 63.7°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 111.9° (2022) and the record low 53.2° (1978). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.3°	65.1°	2%	98.2° (2017)	57.4° (1973)
2	81.7°	65.7°	2%	96.4° (2017)	59.5° (2020)
3	81.7°	65.5°	7%	99.9° (2022)	59.4° (1961)
4	82.6°	65.5°	2%	111.9° (2022)	57.9° (1999)
5	82.4°	65.7°	3%	108.5° (2024)	57.2° (1973)
6	82.4°	65.7°	2%	111.2° (2024)	58.1° (1964)
7	81.7°	65.5°	0%	100.4° (2024)	57.6° (1980)
8	81.1°	64.9°	0%	107.8° (2024)	57.6° (1980)
9	80.4°	65.1°	3%	101.5° (2024)	58.5° (1962)
10	79.3°	64.4°	5%	93.4° (2023)	57.4° (1975)
11	79°	63.7°	5%	94.3° (2021)	57° (1975)
12	78.4°	63.5°	2%	95.4° (1971)	57.4° (1972)
13	77.7°	63.3°	2%	96.1° (1971)	57.2° (2021)
14	78.4°	63°	2%	93.4° (2018)	56.8° (1970)
15	78.3°	63°	5%	93.4° (1979)	57° (1964)
16	78.1°	63.3°	5%	98.4° (2020)	57° (2021)
17	77.9°	63.3°	2%	95.5° (2020)	55° (2021)
18	77.7°	63°	5%	94.5° (2020)	55.8° (1993)
19	77.2°	62.8°	2%	92.7° (1984)	53.2° (1978)
20	76.8°	62.4°	8%	89.6° (2015)	56.5° (1989)
21	77.9°	62.4°	2%	93.4° (2021)	55.4° (1965)
22	79.5°	62.6°	3%	96.1° (2021)	55.2° (1964)
23	79.7°	62.6°	2%	97° (1975)	56.3° (1986)
24	79.7°	63°	5%	97° (1978)	57° (2017)
25	79.2°	62.8°	7%	94.6° (1963)	57.2° (1970)
26	78.4°	63°	5%	102.6° (1963)	54.9° (2024)
27	78.4°	62.6°	0%	97° (1970)	55° (2013)
28	78.4°	62.6°	2%	96.4° (1963)	54.7° (2013)
29	78.4°	62.8°	7%	98.2° (2020)	54.5° (1965)
30	79°	62.6°	3%	108.3° (2020)	54.5° (2019)