Boerne September Weather

Averages and records for weather in Boerne, Texas in the month of September.
Typical Boerne September Weather
1991–2020
Average daily high 88.7 °F
Average daily low 64.6 °F
Average monthly precipitation 3.9 inches
Average monthly snow none
Daily chance of precipitation 24.1%
Daily chance of snow 0%
Boerne September Weather Records
1893–2024
Highest temperature 109 °F September 6, 2000
Lowest temperature 35 °F September 30, 1908
Highest daily low 79 °F September 4, 1910
Lowest daily high 57 °F September 20, 1991
Hottest average high temperature 98.2 °F 2023
Coldest average high temperature 79.6 °F 1915
Most daily precipitation 7.4 inches September 10, 1952
Most monthly precipitation 14.2 inches 2018
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)
High Low High Low
September 1 91.8 68.3 102 55
September 2 91.6 68.1 102 55
September 3 91.4 68.0 103 56
September 4 91.2 67.8 104 54
September 5 91.1 67.7 108 49
September 6 90.8 67.5 109 47
September 7 90.7 67.3 102 47
September 8 90.4 67.1 103 47
September 9 90.2 66.8 106 49
September 10 89.9 66.5 102 50
September 11 89.7 66.2 101 51
September 12 89.5 65.9 100 46
September 13 89.2 65.6 106 47
September 14 89.0 65.3 101 46
September 15 88.8 64.9 101 50
September 16 88.5 64.5 100 50
September 17 88.3 64.1 100 48
September 18 88.1 63.8 100 45
September 19 87.9 63.5 100 43
September 20 87.7 63.3 99 39
September 21 87.6 63.1 102 42
September 22 87.4 62.9 100 37
September 23 87.1 62.6 98 37
September 24 86.9 62.3 100 41
September 25 86.6 61.9 104 42
September 26 86.4 61.6 104 40
September 27 86.2 61.3 104 37
September 28 85.9 60.9 102 39
September 29 85.7 60.6 102 38
September 30 85.5 60.3 96 35
Weather Station Details
Years Station Coordinates
1893–2024 Boerne location