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Chapel Hill September Weather

Averages and records for weather in Chapel Hill, North Carolina in the month of September.

Typical Chapel Hill September Weather 1991–2020
Average daily high	81.7 °F
Average daily low	61.3 °F
Average monthly precipitation	5.2 inches
Average monthly snow	none
Daily chance of precipitation	30.1%
Daily chance of snow	0%

Chapel Hill September Weather Records 1891–2024
Highest temperature	104 °F	September 1, 1932
Lowest temperature	35 °F	September 30, 1895
Highest daily low	79 °F	September 14, 1921
Lowest daily high	50 °F	September 29, 1984
Hottest average high temperature	92.0 °F	1921
Coldest average high temperature	76.5 °F	1984
Most daily precipitation	7.7 inches	September 6, 1999
Most monthly precipitation	24.0 inches	1999
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	85.7	65.4	104	47
September 2	85.5	65.1	101	47
September 3	85.1	64.8	101	46
September 4	84.9	64.6	101	49
September 5	84.6	64.3	97	47
September 6	84.3	64.0	102	46
September 7	84.1	63.8	99	44
September 8	83.8	63.6	100	41
September 9	83.6	63.4	100	43
September 10	83.4	63.1	100	40
September 11	83.1	62.8	99	44
September 12	82.8	62.5	99	45
September 13	82.5	62.3	97	44
September 14	82.2	62.0	101	41
September 15	82.0	61.7	97	40
September 16	81.6	61.3	96	43
September 17	81.3	60.9	98	41
September 18	81.0	60.4	99	41
September 19	80.7	60.0	99	37
September 20	80.4	59.6	99	41
September 21	80.2	59.3	100	42
September 22	79.9	59.0	101	42
September 23	79.6	58.6	102	38
September 24	79.3	58.3	98	38
September 25	78.8	57.9	97	36
September 26	78.5	57.5	96	36
September 27	78.2	57.2	95	37
September 28	77.8	56.9	93	36
September 29	77.5	56.5	94	40
September 30	77.2	56.1	96	35

Weather Station Details

Years	Station	Coordinates
1891–2024	Chapel Hill 2W	location