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Hillsboro September Weather

Averages and records for weather in Hillsboro, Texas in the month of September.

Typical Hillsboro September Weather 1991–2020
Average daily high	89.8 °F
Average daily low	66.8 °F
Average monthly precipitation	3.1 inches
Average monthly snow	none
Daily chance of precipitation	18.7%
Daily chance of snow	0%

Hillsboro September Weather Records 1903–2024
Highest temperature	110 °F	September 9, 2023
Lowest temperature	38 °F	September 27, 1942
Highest daily low	82 °F	September 1, 2020
Lowest daily high	63 °F	September 19, 1991
Hottest average high temperature	98.9 °F	1911
Coldest average high temperature	79.9 °F	1974
Most daily precipitation	11.3 inches	September 27, 1936
Most monthly precipitation	16.9 inches	1936
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	93.9	71.1	110	55
September 2	93.7	70.9	110	56
September 3	93.4	70.7	107	53
September 4	93.2	70.5	109	51
September 5	93.0	70.3	105	51
September 6	92.8	70.1	105	51
September 7	92.6	69.8	105	51
September 8	92.3	69.5	109	52
September 9	92.0	69.2	110	51
September 10	91.7	68.8	103	53
September 11	91.3	68.4	102	53
September 12	91.1	68.1	101	52
September 13	90.8	67.7	105	53
September 14	90.6	67.4	108	54
September 15	90.4	67.0	103	48
September 16	90.1	66.6	101	40
September 17	89.8	66.2	101	48
September 18	89.5	65.9	102	43
September 19	89.3	65.6	104	44
September 20	89.1	65.4	104	44
September 21	88.9	65.1	101	44
September 22	88.5	64.8	102	40
September 23	88.2	64.5	99	43
September 24	87.8	64.1	99	45
September 25	87.5	63.7	103	39
September 26	87.2	63.3	103	42
September 27	86.9	63.0	103	38
September 28	86.6	62.7	102	42
September 29	86.4	62.3	104	43
September 30	86.0	61.8	101	40

Weather Station Details

Years	Station	Coordinates
1903–2024	Hillsboro	location