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Georgetown September Weather

Averages and records for weather in Georgetown, Delaware in the month of September.

Typical Georgetown September Weather 1991–2020
Average daily high	79.8 °F
Average daily low	60.8 °F
Average monthly precipitation	4.4 inches
Daily chance of precipitation	29.5%

Georgetown September Weather Records 1945–2024
Highest temperature	97 °F	September 7, 2023
Lowest temperature	41 °F	September 24, 1998
Highest daily low	77 °F	September 9, 2016
Lowest daily high	58 °F	September 30, 2001
Hottest average high temperature	84.8 °F	2005
Coldest average high temperature	75.3 °F	2006
Most daily precipitation	6.5 inches	September 29, 2016
Most monthly precipitation	12.3 inches	2016

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	83.3	64.6	96	55
September 2	83.0	64.3	95	51
September 3	82.8	63.9	94	55
September 4	82.5	63.7	97	57
September 5	82.2	63.4	93	51
September 6	82.0	63.1	96	52
September 7	81.8	62.8	97	52
September 8	81.7	62.7	94	51
September 9	81.5	62.5	94	53
September 10	81.2	62.3	92	52
September 11	81.0	62.0	93	51
September 12	80.7	61.7	95	50
September 13	80.5	61.6	92	50
September 14	80.3	61.3	93	50
September 15	80.0	61.0	89	46
September 16	79.7	60.6	91	47
September 17	79.3	60.2	91	46
September 18	79.0	59.7	90	45
September 19	78.7	59.4	88	47
September 20	78.5	59.1	87	46
September 21	78.2	58.8	88	46
September 22	77.9	58.5	92	45
September 23	77.6	58.2	93	46
September 24	77.3	57.8	97	41
September 25	77.0	57.5	92	46
September 26	76.7	57.3	91	43
September 27	76.4	57.0	93	45
September 28	76.1	56.7	88	47
September 29	75.7	56.3	85	45
September 30	75.4	55.9	83	42

Weather Station Details

Years	Station	Coordinates
1945–2024	Georgetown	location