Long Beach, CA: September

30 September 2026: September 2026 averaged 75.8°F in Long Beach, CA, the warmest September since 2022, 10th warmest of 69.

September 2026

Mean temperature: 75.8°F; Warmest since 2022; 10th warmest of 69
Precipitation: 0.70 in; Wettest since 2015; 7th wettest of 69

A normal September in Long Beach, CA (1991 to 2020): a mean temperature of 73.2°F, between 70.7°F and 77.1°F in eight years of ten and 0.00 in of precipitation, between 0.00 in and 0.35 in in eight years of ten.

The mean temperature of every September in Long Beach, CA since 1958: 75.8°F in 2026; the highest is 79.1°F, in 2022, 2015 and 1984.

Normal range, 70.7 to 77.1°F

Every year, ranked, as a table

Every September in Long Beach, CA from 1958 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank
2026	75.8	10	83.3	26	68.2	6	0.70	7
2025	74.8	16	82.9	30	66.6	12	0.03	24
2024	73.6	30	82.4	36	64.7	19	trace	36
2023	72.6	36	79.4	59	65.8	14	0.02	25
2022	79.1	1	88.4	3	69.9	2	0.20	15
2021	72.3	41	81.6	44	62.9	39	trace	36
2020	75.2	13	86	12	64.4	22	0.00	60
2019	75.9	9	84.3	19	67.5	9	trace	36
2018	72.9	35	81.1	48	64.6	20	0.00	60
2017	73.7	29	82.2	37	65.2	16	0.12	20
2016	73.5	32	82.7	31	64.3	23	trace	36
2015	79.1	1	88	5	70.2	1	0.95	6
2014	77	6	86.7	8	67.3	10	0.11	21
2013	74.2	21	84.8	18	63.6	29	0.00	60
2012	77.5	5	88.1	4	66.9	11	0.01	32
2011	70.8	58	79.2	61	62.4	44	0.02	25
2010	71.1	56	81.8	42	60.4	60	trace	36
2009	75.1	14	85.2	16	65	17	0.00	60
2008	72.6	36	81.8	42	63.4	32	0.01	32
2007	71.8	49	80.9	51	62.8	42	0.46	10
2006	70.1	60	79.9	56	60.4	60	trace	36
2005	69.4	63	79.2	61	59.6	64	0.34	12
2004	74.1	24	83.2	27	64.9	18	trace	36
2003	71.3	54	79.5	58	63.1	35	0.00	60
2002	72	47	82	39	61.9	50	trace	36
2001	71.6	52	81.1	48	62.1	49	0.00	60
2000	72.4	38	82.5	32	62.3	45	trace	36
1999	69	64	77.1	66	60.8	59	trace	36
1998	74.3	19	82	39	66.5	13	trace	36
1997	78.9	4	88.7	1	69.1	4	0.47	9
1996	71.8	49	80.3	54	63.3	33	0.00	60
1995	74	26	84.2	20	63.7	28	trace	36
1994	73.8	28	84	22	63.6	29	0.00	60
1993	72.1	45	82.2	37	61.9	50	trace	36
1992	74.5	18	85.4	14	63.6	29	trace	36
1991	72.4	38	81.9	41	62.9	39	0.02	25
1990	73.6	30	83.9	23	63.3	33	trace	36
1989	72.3	41	83.4	25	61.1	56	0.34	12
1988	71	57	79.9	56	62.2	47	0.04	23
1987	73.4	33	83	29	63.8	26	0.02	25
1986	67.6	68	75.7	69	59.5	65	1.43	2
1985	70	61	78.8	63	61.1	56	0.24	14
1984	79.1	1	88.7	1	69.6	3	0.15	18
1983	76.7	7	85.3	15	68.1	7	1.31	3
1982	74	26	83.5	24	64.5	21	0.40	11
1981	73.2	34	82.5	32	63.8	26	0.07	22
1980	70.3	59	79.3	60	61.2	55	trace	36
1979	74.9	15	86.8	6	62.9	39	trace	36
1978	74.2	21	86	12	62.3	45	1.04	5
1977	71.6	52	81	50	62.2	47	0.02	25
1976	74.3	19	80.6	52	68	8	1.45	1
1975	74.2	21	84.1	21	64.2	24	trace	36
1974	72.1	45	81.2	47	63.1	35	0.00	60
1973	68.5	66	76.7	68	60.4	60	trace	36
1972	72.2	43	81.4	45	63.1	35	0.15	18
1971	76.1	8	86.4	10	65.8	14	trace	36
1970	72.2	43	84.9	17	59.5	65	trace	36
1969	71.3	54	81.3	46	61.3	54	0.02	25
1968	71.8	49	82.5	32	61.1	56	trace	36
1967	75.5	11	82.5	32	68.5	5	0.53	8
1966	72.4	38	83.1	28	61.7	53	0.01	32
1965	68.3	67	78.2	65	58.3	68	0.20	15
1964	67.4	69	77	67	57.8	69	trace	36
1963	75.4	12	86.8	6	64	25	1.31	3
1962	68.8	65	78.7	64	59	67	0.00	60
1961	70	61	80.1	55	59.8	63	trace	36
1960	74.8	16	86.7	8	62.8	42	0.02	25
1959	71.9	48	80.6	52	63.1	35	0.01	32
1958	74.1	24	86.4	10	61.8	52	0.18	17

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2022	79.1
2015	79.1
1984	79.1
1997	78.9
2012	77.5
2014	77
1983	76.7
1971	76.1
2019	75.9
2026	75.8

Coldest
Year	Mean, °F
1964	67.4
1986	67.6
1965	68.3
1973	68.5
1962	68.8
1999	69
2005	69.4
1985	70
1961	70
2006	70.1

Wettest
Year	Precipitation, in
1976	1.45
1986	1.43
1983	1.31
1963	1.31
1978	1.04
2015	0.95
2026	0.70
1967	0.53
1997	0.47
2007	0.46

Driest
Year	Precipitation, in
2020	0.00
2018	0.00
2013	0.00
2009	0.00
2003	0.00
2001	0.00
1996	0.00
1994	0.00
1974	0.00
1962	0.00

The hottest, coldest and wettest days

Hottest day: 107°F; 9 September 2026
Coldest night: 64°F; 29 September 2026, 23 September 2026, 18 September 2026, 4 September 2026, 2 September 2026
Wettest day: 0.68 in; 6 September 2026

Every month, season and year

Months

Seasons

Years

Long Beach, CA the day's answers

All-time records

Every answer in words

September 2026 brought 0.70 in of precipitation in Long Beach, CA, the wettest September since 2015, 7th wettest of 69.
The hottest day of September 2026 in Long Beach, CA: 107°F on Wednesday 9 September 2026.
The coldest night of September 2026 in Long Beach, CA: a low of 64°F on Tuesday 29 September 2026, Wednesday 23 September 2026, Friday 18 September 2026 and 2 other days.
The wettest day of September 2026 in Long Beach, CA: 0.68 in on Sunday 6 September 2026.