As of 09:58 PDT

South San Gabriel, CA weather in September

83°

South San Gabriel, Sunday, 9 August, 09:58

Clear. Feels like 86°. High 97°, low 71°.

Pressure29.88 inHg

Wind4.7 mph SW

Humidity59%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In September, South San Gabriel, CA averages a high of 85.3° and a low of 62.8°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 113.7° (2024) and the record low 48.9° (1982). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	88.3°	64.8°	3%	104.7° (2002)	57.2° (1964)
2	88.7°	65.3°	5%	105.3° (1982)	53.6° (1964)
3	88.7°	65.7°	5%	108.3° (1988)	57.2° (1961)
4	89.6°	65.5°	3%	109.6° (1988)	57.4° (1964)
5	89.1°	65.5°	3%	109.8° (2024)	56.8° (1970)
6	89.1°	65.5°	3%	113.7° (2024)	56.1° (1970)
7	88.5°	64.9°	2%	103.1° (2022)	55.8° (1965)
8	87.8°	64.8°	0%	108.3° (2024)	54.7° (1965)
9	86.7°	64.6°	3%	106° (2024)	55.8° (1961)
10	85.1°	64°	7%	102° (1983)	55° (2010)
11	84.6°	63.1°	5%	104.5° (1983)	54° (1985)
12	84.4°	62.8°	2%	107.8° (1971)	52° (1972)
13	83.5°	62.4°	3%	109.6° (1971)	52.7° (1966)
14	84°	61.9°	3%	100.8° (2014)	52.3° (1966)
15	84°	62.1°	3%	104° (1979)	52.9° (1986)
16	83.7°	62.4°	3%	103.1° (2014)	54.3° (1986)
17	83.3°	61.7°	2%	98.8° (2020)	54° (1977)
18	82.9°	61.7°	3%	101.1° (1984)	52.9° (1993)
19	82.4°	61.3°	3%	102.6° (1984)	49.5° (1978)
20	81.9°	61°	7%	99.7° (2015)	50.4° (1978)
21	83.3°	60.6°	0%	100.4° (2021)	51.4° (1978)
22	84.7°	61°	3%	97° (1975)	51.8° (1968)
23	85.5°	61°	3%	101.7° (1975)	53.4° (1986)
24	85.3°	61.3°	3%	104.2° (1978)	53.4° (1998)
25	84.7°	61.3°	5%	103.3° (1963)	53.1° (2005)
26	83.7°	61.9°	7%	104.5° (1963)	54° (1986)
27	84°	61.3°	0%	107.1° (2010)	50.2° (2013)
28	83.8°	61.3°	3%	106.2° (1963)	53.1° (2013)
29	83.7°	61.3°	5%	102.2° (1963)	50° (1965)
30	84.2°	60.8°	3%	106.2° (2020)	48.9° (1982)