As of 09:48 PDT

Signal Hill, CA weather in September

77°

Signal Hill, Sunday, 9 August, 09:48

Mostly clear. Feels like 78°. High 94°, low 72°.

Pressure29.88 inHg

Wind8 mph W

Humidity79%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In September, Signal Hill, CA averages a high of 79.7° and a low of 62.7°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 106.5° (2022) and the record low 51.3° (1978). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81.5°	64°	2%	96.6° (1998)	57.2° (1973)
2	82°	64.4°	2%	95° (1982)	58.3° (2010)
3	82.2°	64.4°	7%	97.2° (1988)	57.7° (1973)
4	82.9°	64.4°	2%	106.5° (2022)	57.7° (1970)
5	82.6°	64.6°	3%	99° (1984)	58.3° (1973)
6	82.4°	64.2°	3%	102.6° (2024)	57° (1970)
7	81.9°	64°	0%	93.9° (2024)	57.4° (1980)
8	81.5°	63.9°	0%	99.1° (2024)	58.1° (1964)
9	80.8°	64°	5%	99° (2022)	57.7° (1964)
10	79.7°	63.5°	5%	94.3° (1983)	57.4° (1962)
11	79.2°	62.6°	5%	96.1° (1983)	56.1° (1999)
12	78.8°	62.6°	2%	99° (1971)	56.8° (1962)
13	78.1°	62.6°	2%	99.5° (1971)	57.2° (1962)
14	78.6°	62.4°	2%	94.3° (2014)	55.9° (1973)
15	78.6°	62.4°	5%	95.7° (1979)	56.8° (2005)
16	78.4°	62.6°	3%	94.8° (2014)	56.8° (1973)
17	78.1°	62.2°	3%	92.5° (1984)	57.2° (2005)
18	77.9°	62.1°	5%	95.2° (1984)	56.5° (1993)
19	77.5°	61.7°	2%	95.5° (1984)	51.3° (1978)
20	77°	61.5°	5%	92.7° (2015)	53.1° (1978)
21	78.3°	61.5°	2%	88.7° (1972)	53.1° (1978)
22	79.3°	61.5°	3%	90.1° (1992)	54.3° (1964)
23	79.7°	61.7°	3%	97.2° (1975)	54.9° (1986)
24	79.9°	61.9°	5%	98.2° (1978)	56.5° (2017)
25	79.3°	62.1°	5%	96.3° (1963)	56.3° (1971)
26	78.4°	62.1°	3%	102.7° (1963)	54.7° (1970)
27	78.6°	61.7°	0%	98.4° (1963)	52.2° (2013)
28	78.6°	61.5°	2%	98.8° (1963)	53.1° (2013)
29	78.6°	61.7°	3%	95.4° (1999)	53.4° (1965)
30	79°	61.7°	3%	99.1° (2020)	54.1° (1965)