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Lowell September Weather

Averages and records for weather in Lowell, Massachusetts in the month of September.

Typical Lowell September Weather 1991–2020
Average daily high	75.4 °F
Average daily low	51.4 °F
Average monthly precipitation	3.9 inches
Average monthly snow	none
Daily chance of precipitation	30.7%
Daily chance of snow	0%

Lowell September Weather Records 1885–2024
Highest temperature	100 °F	September 2, 1953
Lowest temperature	26 °F	September 20, 1979
Highest daily low	75 °F	September 16, 1915
Lowest daily high	51 °F	September 28, 1937
Hottest average high temperature	80.8 °F	2015
Coldest average high temperature	67.6 °F	1893
Most daily precipitation	7.0 inches	September 11, 1954
Most monthly precipitation	10.1 inches	1933
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	80.1	56.0	95	39
September 2	79.8	55.7	100	40
September 3	79.4	55.3	99	42
September 4	79.1	55.1	96	41
September 5	78.8	54.8	93	41
September 6	78.6	54.5	92	40
September 7	78.3	54.1	95	40
September 8	78.1	53.8	96	41
September 9	77.8	53.6	96	40
September 10	77.4	53.3	94	39
September 11	77.1	52.9	95	29
September 12	76.7	52.5	96	36
September 13	76.3	52.1	93	40
September 14	76.0	51.9	91	32
September 15	75.6	51.6	90	35
September 16	75.2	51.2	92	36
September 17	74.7	50.9	89	35
September 18	74.3	50.5	91	35
September 19	73.9	50.1	90	34
September 20	73.4	49.7	88	26
September 21	73.0	49.4	90	32
September 22	72.6	49.0	93	31
September 23	72.1	48.5	92	29
September 24	71.7	48.0	91	28
September 25	71.3	47.5	89	31
September 26	71.1	47.1	89	32
September 27	70.7	46.9	92	33
September 28	70.3	46.5	89	32
September 29	69.8	46.1	87	31
September 30	69.3	45.6	86	32

Weather Station Details

Years	Station	Coordinates
1885–2024	Lowell	location