Westfield, MA: September

30 September 2026: September 2026 averaged 63.3°F in Westfield, MA (1 day missing), the coldest September since 2022 (2025 excluded: 10 of 30 days missing), tied 13th coldest of 36 (with 2008 and 2004).

September 2026

Mean temperature: 63.3°F; Coldest since 2022; 13th coldest of 36
Precipitation: 4.16 in; Wettest since 2023; 31st wettest of 83

The mean temperature of every September in Westfield, MA since 1927: 63.3°F in 2026; the lowest is 59.1°F, in 1928.

Every year, ranked, as a table

Every September in Westfield, MA from 1926 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	Days missing
2026	63.3	22	73	29	53.5	13	4.16	31	1
2025									10
2024	64.4	15	76.8	9	52	20	0.83	80	0
2023	65.2	12	75.3	18	55	7	7.51	13	0
2022	63	26	74	26	51.9	21	5.76	19	0
2021	65.3	11	76	14	54.7	9	5.43	23	0
2020	63.4	21	75.9	15	50.8	26	3.62	38	0
2019	63	26	76.1	13	49.9	30	2.29	56	0
2018	65.9	7	74.9	21	56.8	3	9.59	5	0
2017	66.2	6	77.6	6	54.8	8	2.12	60	0
2016	65.9	7	78.2	4	53.5	13	2.43	53	0
2015	67.5	1	80.6	1	54.3	10	4.64	28	0
2014	63.5	19	75.9	15	51.2	25	0.91	79	0
2013	61.4	31	74.1	25	48.8	33	2.36	55	0
2012	62.9	28	74.4	23	51.5	24	5.73	20	0
2011	66.8	3	75.9	15	57.7	2	8.11	9	0
2010	66.3	5	78.5	2	54.1	11	3.14	46	0
2009	60.6	32	72.9	30	48.3	34	1.53	72	2
2008	63.3	22	74	26	52.6	16	8.58	6	0
2007	64	17	77.7	5	50.3	28	2.09	62	0
2006	60.6	32	71.8	35	49.4	31	2.97	49	0
2005	65.5	10	78.3	3	52.6	16	2.21	59	0
2004	63.3	22	74.9	21	51.7	23	8.24	8	0
2003	62.6	29	72.8	33	52.4	18	12.18	3	0
2002	64.6	14	76.8	9	52.4	18	3.20	45	0
2001	61.6	30	75.2	19	48	35	3.79	36	0
2000	60.1	35	72.5	34	47.6	36	2.84	51	0
1999	64.3	16	75	20	53.6	12	13.91	1	0
1998	63.5	19	76.5	11	50.6	27	1.78	66	0
1993							5.25	25	30
1992							2.11	61	30
1991							8.08	10	30
1989							5.66	21	30
1987							7.58	11	30
1986							1.31	75	30
1985							5.45	22	30
1984							1.72	67	30
1983							2.40	54	30
1982							3.45	40	30
1981							3.34	42	30
1980							1.54	71	30
1979							3.85	34	30
1978							1.92	64	30
1977							7.14	15	30
1976							1.91	65	30
1974							7.00	16	30
1973			74.3	24			2.23	58	5
1972							1.42	74	30
1971							3.23	44	30
1970							3.00	48	30
1969							3.63	37	30
1968							3.08	47	30
1967							1.69	69	30
1966							5.27	24	30
1964							1.15	76	30
1963							3.80	35	30
1962							3.43	41	30
1961							4.20	30	30
1960							8.25	7	30
1959							0.95	78	30
1958							6.37	17	30
1957							2.02	63	30
1956							6.36	18	30
1955							3.54	39	30
1954							10.16	4	30
1953							1.13	77	30
1952							4.07	32	30
1951							2.96	50	30
1950							1.48	73	30
1949							3.98	33	30
1948							0.61	83	30
1947							4.71	27	30
1946							4.21	29	30
1945							2.25	57	30
1944							7.22	14	30
1942							4.73	26	30
1941							0.73	81	30
1934	65.6	9	72.9	30	58.4	1	12.41	2	0
1933	64.8	13	72.9	30	56.6	5	7.53	12	0
1932	63.2	25	73.4	28	53	15	3.30	43	0
1931	67.1	2	77.5	7	56.8	3	0.69	82	0
1930	66.4	4	77.1	8	55.8	6	1.59	70	0
1929	64	17	76.3	12	51.8	22	2.46	52	1
1928	59.1	36	68.5	38	50.1	29			3
1927	60.4	34	71.3	36	49.4	31			2
1926			69.5	37			1.70	68	5

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2015	67.5
1931	67.1
2011	66.8
1930	66.4
2010	66.3
2017	66.2
2018	65.9
2016	65.9
1934	65.6
2005	65.5

Coldest
Year	Mean, °F
1928	59.1
2000	60.1
1927	60.4
2009	60.6
2006	60.6
2013	61.4
2001	61.6
2003	62.6
2012	62.9
2022	63
More years share the last value

Wettest
Year	Precipitation, in
1999	13.91
1934	12.41
2003	12.18
1954	10.16
2018	9.59
2008	8.58
1960	8.25
2004	8.24
2011	8.11
1991	8.08

Driest
Year	Precipitation, in
1948	0.61
1931	0.69
1941	0.73
2024	0.83
2014	0.91
1959	0.95
1953	1.13
1964	1.15
1986	1.31
1972	1.42

The hottest, coldest and wettest days

Hottest day: 87°F; 10 September 2026
Coldest night: 42°F; 15 September 2026
Wettest day: 0.94 in; 1 September 2026

Every month, season and year

Months

Seasons

Years

Westfield, MA the day's answers

All-time records

Every answer in words

September 2026 brought 4.16 in of precipitation in Westfield, MA (1 day missing), the wettest September since 2023 (2025 excluded: 13 of 30 days missing), 31st wettest of 83.
The hottest day of September 2026 in Westfield, MA: 87°F on Thursday 10 September 2026.
The coldest night of September 2026 in Westfield, MA: a low of 42°F on Tuesday 15 September 2026.
The wettest day of September 2026 in Westfield, MA: 0.94 in on Tuesday 1 September 2026.