Las Vegas, NV: September

30 September 2026: September 2026 averaged 85.3°F in Las Vegas, NV, the warmest September since 2024, tied 10th warmest of 90 (with 1979).

September 2026

Mean temperature: 85.3°F; Warmest since 2024; 10th warmest of 90
Precipitation: 0.30 in; Wettest since 2023; 32nd wettest of 90

A normal September in Las Vegas, NV (1991 to 2020): a mean temperature of 82.9°F, between 81°F and 86.2°F in eight years of ten and 0.05 in of precipitation, between 0.00 in and 0.82 in in eight years of ten.

The mean temperature of every September in Las Vegas, NV since 1937: 85.3°F in 2026; the highest is 88.1°F, in 2018.

Normal range, 81 to 86.2°F

Every year, ranked, as a table

Every September in Las Vegas, NV from 1937 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	85.3	10	95.6	38	75	5	0.30	32
2025	83.5	20	93.6	60	73.4	11	0.28	33
2024	86.2	5	97.9	17	74.5	7	trace	60
2023	81.3	46	91.8	76	70.7	25	1.51	4
2022	86.4	3	97.3	20	75.6	3	0.48	21
2021	86.1	7	97.1	22	75	5	0.12	44
2020	86.3	4	98.8	6	73.7	10	trace	60
2019	83.7	17	94.5	51	72.8	13	0.24	36
2018	88.1	1	99.6	4	76.6	1	0.00	79
2017	81.9	35	91.9	75	71.9	19	0.46	23
2016	82.3	30	93.3	63	71.3	21	trace	60
2015	87.3	2	98.2	13	76.3	2	0.02	53
2014	85.4	8	96.4	31	74.4	8	0.64	15
2013	81	51	91.2	80	70.8	23	0.35	26
2012	85.4	8	96.6	28	74.2	9	1.18	6
2011	84	16	95.6	38	72.4	15	0.78	13
2010	85.1	12	98.1	14	72.2	18	0.01	55
2009	86.2	5	97.3	20	75.1	4	trace	60
2008	84.8	14	96.6	28	73	12	0.03	50
2007	82.7	26	93.1	68	72.3	16	0.67	14
2006	80.9	53	92.2	71	69.6	33	trace	60
2005	82	32	93.3	63	70.6	27	trace	60
2004	81.6	41	93.4	61	69.8	31	0.18	41
2003	84.4	15	96.3	33	72.5	14	0.52	18
2002	82.8	25	94	58	71.5	20	0.31	30
2001	85.1	12	97.9	17	72.3	16	trace	60
2000	81.7	38	94.7	50	68.6	41	0.00	79
1999	81.6	41	93.4	61	69.8	31	0.35	26
1998	80	65	91.1	81	68.9	37	1.29	5
1997	81.2	47	91.8	76	70.7	25	2.06	2
1996	80.4	61	92	74	68.8	40	0.00	79
1995	83.7	17	96.5	30	70.9	22	trace	60
1994	83.1	24	95.5	42	70.6	27	0.35	26
1993	81.2	47	95.5	42	67	47	0.00	79
1992	83.7	17	96.9	24	70.5	29	0.00	79
1991	81.9	35	94.9	47	68.9	37	0.06	48
1990	82	32	94.8	48	69.1	36	0.19	39
1989	80	65	94.3	55	65.6	59	trace	60
1988	79.1	72	93.2	65	65	63	trace	60
1987	81.2	47	95.6	38	66.8	50	trace	60
1986	75.3	88	87.3	90	63.4	73	0.05	49
1985	75.4	87	87.8	89	62.9	77	0.08	45
1984	81.7	38	94.4	53	68.9	37	0.47	22
1983	82.4	29	94.1	57	70.8	23	0.50	20
1982	77.9	79	89.7	86	66	55	0.07	47
1981	82.5	27	95.7	35	69.2	35	0.25	35
1980	81.4	43	95.7	35	67	47	0.18	41
1979	85.3	10	100.9	2	69.6	33	trace	60
1978	78.9	73	93.2	65	64.7	65	0.03	50
1977	80.6	56	94.5	51	66.7	52	0.19	39
1976	78.7	75	90.4	84	67	47	1.09	8
1975	81.7	38	95.3	45	68.1	43	1.17	7
1974	83.4	21	96.7	25	70.1	30	0.16	43
1973	78.9	73	94	58	63.8	70	trace	60
1972	78	78	91	82	64.9	64	0.63	16
1971	77.6	81	92.1	73	63	76	0.00	79
1970	77.2	83	91.7	78	62.7	79	0.00	79
1969	82.5	27	96.7	25	68.2	42	0.08	45
1968	79.7	71	94.8	48	64.6	67	0.01	55
1967	80	65	92.4	70	67.6	46	1.03	9
1966	80.1	63	94.4	53	65.8	58	0.35	26
1965	74.8	89	89.2	87	60.3	88	trace	60
1964	78.4	76	93.2	65	63.6	72	trace	60
1963	80.5	59	94.2	56	66.8	50	1.58	3
1962	81.4	43	96.7	25	66.1	54	0.03	50
1961	75.6	86	90	85	61.1	86	0.26	34
1960	82	32	95.9	34	68.1	43	0.23	37
1959	77.8	80	92.2	71	63.4	73	0.01	55
1958	81	51	95.2	46	66.7	52	0.21	38
1957	80.1	63	95.6	38	64.6	67	trace	60
1956	83.4	21	98.8	6	68	45	0.00	79
1955	80.8	55	96.4	31	65.2	62	0.00	79
1954	80.6	56	95.7	35	65.4	61	0.45	24
1953	81.8	37	98.8	6	64.7	65	0.02	53
1952	80.6	56	95.4	44	65.9	57	0.87	12
1951	81.4	43	98.4	10	64.4	69	0.98	10
1950	78.2	77	92.6	69	63.7	71	0.62	17
1949	82.2	31	98.4	10	66	55	trace	60
1948	79.8	70	98.1	14	61.4	83	trace	60
1947	83.3	23	101	1	65.6	59	0.01	55
1946	80	65	97.4	19	62.6	80	0.51	19
1945	80.5	59	98	16	62.9	77	0.00	79
1944	81.1	50	98.8	6	63.4	73	0.00	79
1943	80.9	53	99.9	3	61.9	82	0.31	30
1942	77.3	82	97.1	22	57.6	89	0.00	79
1941	73	90	90.7	83	55.3	90	trace	60
1940	76.3	84	91.7	78	60.9	87	0.88	11
1939	75.7	85	88.9	88	62.4	81	3.39	1
1938	79.9	69	98.4	10	61.4	83	0.37	25
1937	80.3	62	99.4	5	61.2	85	0.01	55

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2018	88.1
2015	87.3
2022	86.4
2020	86.3
2024	86.2
2009	86.2
2021	86.1
2014	85.4
2012	85.4
2026	85.3
More years share the last value

Coldest
Year	Mean, °F
1941	73
1965	74.8
1986	75.3
1985	75.4
1961	75.6
1939	75.7
1940	76.3
1970	77.2
1942	77.3
1971	77.6

Wettest
Year	Precipitation, in
1939	3.39
1997	2.06
1963	1.58
2023	1.51
1998	1.29
2012	1.18
1975	1.17
1976	1.09
1967	1.03
1951	0.98

Driest
Year	Precipitation, in
2018	0.00
2000	0.00
1996	0.00
1993	0.00
1992	0.00
1971	0.00
1970	0.00
1956	0.00
1955	0.00
1945	0.00
More years share the last value

The hottest, coldest and wettest days

Hottest day: 107°F; 11 September 2026, 10 September 2026
Coldest night: 62°F; 28 September 2026
Wettest day: 0.23 in; 28 September 2026

Every month, season and year

Months

Seasons

Years

Las Vegas, NV the day's answers

All-time records

Every answer in words

September 2026 brought 0.30 in of precipitation in Las Vegas, NV, the wettest September since 2023, 32nd wettest of 90.
The hottest day of September 2026 in Las Vegas, NV: 107°F on Friday 11 September 2026 and Thursday 10 September 2026.
The coldest night of September 2026 in Las Vegas, NV: a low of 62°F on Monday 28 September 2026.
The wettest day of September 2026 in Las Vegas, NV: 0.23 in on Monday 28 September 2026.