As of 01:48 PDT

Whittier, CA weather in September

70°

Whittier, Sunday, 9 August, 01:48

Clear. Feels like 71°. High 99°, low 70°.

Pressure29.85 inHg

Wind4.9 mph S

Humidity84%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In September, Whittier, CA averages a high of 86° and a low of 62.9°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 114.4° (2024) and the record low 49.5° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	88.9°	65.1°	3%	104.9° (2002)	57.4° (1964)
2	89.4°	65.5°	5%	105.4° (1982)	53.6° (1964)
3	89.4°	65.8°	5%	108.7° (1988)	56.8° (1964)
4	90.3°	65.7°	2%	109.9° (2022)	57.4° (1964)
5	89.8°	65.8°	3%	110.8° (2020)	56.7° (1970)
6	89.8°	65.8°	3%	114.4° (2024)	55.9° (1970)
7	89.2°	65.1°	2%	104.4° (2024)	55.9° (1965)
8	88.5°	64.9°	0%	108.3° (2024)	54.7° (1965)
9	87.3°	64.6°	3%	106.7° (2024)	55.9° (1961)
10	85.8°	64.2°	7%	102.2° (1983)	55.4° (2010)
11	85.5°	63.5°	5%	104.5° (1983)	54° (1985)
12	85.1°	63.1°	2%	107.8° (1971)	52° (1972)
13	84.2°	62.6°	3%	109.8° (1971)	52.7° (1966)
14	84.7°	62.1°	3%	101.3° (2014)	52.2° (1966)
15	84.7°	62.4°	3%	103.8° (1979)	52.9° (1986)
16	84.4°	62.6°	3%	103.6° (2014)	54° (1986)
17	84°	62.1°	2%	99.1° (2020)	53.6° (2006)
18	83.5°	61.9°	3%	101.3° (1984)	52.9° (1993)
19	82.9°	61.5°	3%	102.4° (1984)	50.5° (1978)
20	82.6°	61.3°	7%	100° (2015)	49.8° (1965)
21	83.8°	60.6°	0%	100.2° (2021)	51.3° (1986)
22	85.3°	61°	3%	97.7° (1975)	51.6° (1968)
23	86°	61.2°	3%	101.3° (1975)	53.4° (1986)
24	86°	61.5°	3%	103.3° (1978)	53.6° (1998)
25	85.3°	61.5°	5%	103.5° (1963)	53.6° (1986)
26	84.4°	61.9°	7%	103.8° (1963)	53.2° (1986)
27	84.6°	61.5°	0%	107.2° (2010)	50° (2013)
28	84.4°	61.5°	3%	105.4° (1963)	53.2° (2013)
29	84.2°	61.3°	5%	102° (1963)	49.5° (1965)
30	84.7°	60.6°	3%	107.4° (2020)	49.5° (1982)