As of 07:48 PDT

San Diego, CA weather in September

70°

San Diego, Sunday, 9 August, 07:48

Clear. Feels like 71°. High 87°, low 70°.

Pressure29.88 inHg

Wind4 mph S

Humidity94%

Visibility6.2 mi

Dew point69°

See detailed hourly forecast

In September, San Diego, CA averages a high of 78.9° and a low of 63.3°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 105.8° (2024) and the record low 52° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	80.4°	64.6°	3%	97.5° (2017)	57.9° (1964)
2	80.8°	65.1°	3%	94.3° (2017)	58.8° (1973)
3	81.1°	65.5°	3%	102.6° (1988)	57° (1973)
4	81.5°	65.3°	3%	102.4° (1988)	57.6° (1999)
5	81.9°	65.5°	2%	102.6° (2020)	57.9° (1970)
6	81.7°	65.5°	7%	102.7° (2020)	57.4° (1973)
7	81.3°	65.3°	3%	98.4° (2024)	56.7° (1964)
8	81°	64.9°	2%	105.8° (2024)	55.9° (1965)
9	79.9°	64.8°	3%	96.6° (2024)	55.9° (1962)
10	79.2°	64.2°	7%	94.1° (2015)	56.3° (1975)
11	78.6°	63.7°	5%	91.9° (2021)	54.7° (1975)
12	78.3°	63.1°	2%	93.2° (1971)	53.2° (1985)
13	77.4°	62.8°	0%	93.7° (1971)	57° (1988)
14	77.9°	62.4°	3%	97.3° (2012)	55.6° (1970)
15	77.7°	62.8°	7%	97.5° (2012)	56.3° (2016)
16	77.5°	63°	3%	95.9° (2020)	56.7° (1973)
17	77.5°	62.6°	5%	96.3° (2020)	55.2° (1973)
18	77.2°	62.1°	5%	95.9° (2020)	54.3° (1993)
19	76.6°	62.1°	7%	88.9° (1979)	52.9° (1978)
20	76.5°	61.9°	10%	93° (2015)	53.4° (1989)
21	77.2°	61.3°	5%	92.5° (2021)	53.8° (1968)
22	78.6°	61.9°	8%	91.2° (1975)	54.9° (1964)
23	79.3°	62.2°	5%	99.7° (1975)	55.9° (1961)
24	79.2°	62.2°	2%	99.5° (1978)	55.4° (1961)
25	78.3°	62.4°	3%	97.3° (1978)	56.3° (2005)
26	77.5°	62.4°	8%	104.5° (1963)	55.8° (1971)
27	77.7°	62.4°	2%	98.6° (1963)	54.9° (2013)
28	77.7°	61.9°	2%	96.4° (1963)	55.2° (2005)
29	77.7°	62.2°	5%	93.9° (2020)	52° (1965)
30	78.4°	62.2°	5%	103.8° (2020)	54.5° (1982)