As of 13:42 PDT

Willowbrook, CA weather in September

85°

Willowbrook, Saturday, 8 August, 13:42

Clear. Feels like 89°. High 90°, low 71°.

Pressure29.88 inHg

Wind7 mph W

Humidity60%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In September, Willowbrook, CA averages a high of 83.2° and a low of 63°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 109.8° (2024) and the record low 50° (1978). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.8°	64.8°	2%	102° (1998)	57.4° (1973)
2	86.2°	65.3°	3%	101.8° (1982)	57.6° (1964)
3	86.2°	65.3°	7%	104.9° (1988)	58.5° (1999)
4	86.9°	65.1°	2%	108.9° (1988)	58.1° (1970)
5	86.4°	65.1°	3%	105.4° (1984)	57.6° (1973)
6	86.5°	65.1°	2%	109.8° (2024)	56.3° (1970)
7	85.8°	64.8°	0%	99.5° (2022)	57.7° (1980)
8	85.3°	64.4°	2%	104° (2024)	57° (1980)
9	84.6°	64.4°	5%	104° (2022)	58.5° (1961)
10	82.9°	64°	5%	99.7° (1983)	56.8° (1985)
11	82.4°	63.1°	5%	102.2° (1983)	56.1° (1985)
12	82°	62.8°	2%	105.4° (1971)	56.1° (1972)
13	81.3°	62.8°	2%	106.7° (1971)	57° (1962)
14	82°	62.4°	3%	99.1° (2014)	55.9° (1973)
15	81.9°	62.4°	3%	101.7° (1979)	56.1° (1986)
16	81.7°	62.6°	5%	100.2° (2014)	56.3° (2006)
17	81.3°	62.2°	2%	97° (1984)	55.2° (2006)
18	81.1°	62.1°	3%	99.9° (1984)	55.4° (1993)
19	80.8°	61.9°	3%	100.9° (1984)	50° (1978)
20	80.2°	61.3°	3%	97.9° (2015)	50.9° (1978)
21	81.3°	61.5°	0%	94.3° (1972)	51.6° (1978)
22	82.8°	61.5°	3%	95.2° (1992)	53.1° (1968)
23	83.3°	61.5°	2%	100.8° (1975)	54.3° (1986)
24	83.3°	61.9°	3%	103.3° (1978)	55.8° (1998)
25	82.8°	62.2°	5%	102° (1963)	55.6° (1986)
26	81.9°	62.4°	3%	105.6° (1963)	53.8° (1970)
27	81.9°	61.9°	0%	104.2° (1963)	50.9° (2013)
28	81.9°	61.7°	2%	104.9° (1963)	52.2° (2013)
29	81.9°	61.9°	5%	100.4° (1963)	51.8° (1965)
30	82.6°	61.7°	5%	104.5° (2020)	52.5° (1982)