As of 08:43 PDT

South El Monte, CA weather in September

78°

South El Monte, Sunday, 9 August, 08:43

Clear. Feels like 79°. High 99°, low 73°.

Pressure29.88 inHg

Wind3.3 mph SW

Humidity68%

Visibility6.2 mi

Dew point67°

See detailed hourly forecast

In September, South El Monte, CA averages a high of 86.5° and a low of 63.4°. About 0.4 inches of precipitation fall over the month (1 wet days). The record high is 116.2° (2024) and the record low 50° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	89.6°	65.5°	3%	105.8° (2017)	57.7° (1964)
2	90°	66°	5%	106° (1982)	54.1° (1964)
3	90°	66.4°	5%	109° (1988)	57.4° (1964)
4	90.7°	66.2°	2%	110.5° (2022)	57.7° (1964)
5	90.5°	66.2°	3%	113° (2020)	57.2° (1970)
6	90.3°	66.2°	3%	116.2° (2024)	56.5° (1970)
7	89.8°	65.7°	2%	105.4° (2024)	56.3° (1965)
8	89.1°	65.5°	0%	109.6° (2024)	55° (1965)
9	88°	65.3°	3%	107.4° (2024)	56.5° (1961)
10	86.4°	64.8°	7%	102.6° (1983)	55.9° (2010)
11	86°	63.9°	5%	104.9° (1983)	54.3° (1985)
12	85.6°	63.5°	2%	108.3° (1971)	52.3° (1985)
13	84.9°	63.1°	3%	110.3° (1971)	53.2° (1966)
14	85.3°	62.4°	3%	101.8° (2014)	52.7° (1966)
15	85.3°	62.8°	3%	104.4° (1979)	53.4° (1986)
16	84.9°	63°	3%	104° (2014)	54.5° (1986)
17	84.6°	62.4°	2%	100° (2020)	54.1° (2006)
18	84°	62.2°	3%	101.7° (1984)	53.2° (1993)
19	83.5°	61.9°	5%	102.9° (1984)	50.9° (1978)
20	83.1°	61.7°	7%	100.6° (2015)	50.2° (1965)
21	84.4°	61.2°	0%	102° (2021)	51.6° (1986)
22	85.8°	61.5°	3%	98.2° (1975)	52.2° (1968)
23	86.5°	61.5°	3%	101.7° (1975)	54° (1986)
24	86.5°	61.9°	3%	103.8° (1978)	54.1° (1998)
25	85.8°	61.9°	5%	104° (1963)	54.1° (1986)
26	84.7°	62.2°	7%	104.2° (1963)	53.6° (1986)
27	85.1°	61.9°	0%	107.8° (2010)	50.5° (2013)
28	84.9°	62.1°	3%	106° (1963)	53.6° (2013)
29	84.7°	61.9°	5%	102.4° (1963)	50° (1965)
30	85.3°	61.2°	3%	107.1° (2020)	50° (1982)