Delta September Weather

Averages and records for weather in Delta, Utah in the month of September.
Typical Delta September Weather
1991–2020
Average daily high 82.9 °F
Average daily low 44.6 °F
Average monthly precipitation 0.7 inches
Average monthly snow none
Daily chance of precipitation 14.8%
Daily chance of snow 0%
Delta September Weather Records
1938–2024
Highest temperature 106 °F September 6, 2022
Lowest temperature 21 °F September 20, 2003
Highest daily low 68 °F September 8, 1955
Lowest daily high 43 °F September 17, 1965
Hottest average high temperature 89.3 °F 2022
Coldest average high temperature 73.4 °F 1965
Most daily precipitation 1.5 inches September 27, 2014
Most monthly precipitation 4.2 inches 1982
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 88.8 50.8 104 37
September 2 88.5 50.4 105 32
September 3 88.0 50.1 105 34
September 4 87.6 49.7 103 32
September 5 87.1 49.3 102 34
September 6 86.6 48.7 106 38
September 7 86.2 48.2 104 32
September 8 85.7 47.8 101 36
September 9 85.2 47.3 98 28
September 10 84.8 46.8 96 33
September 11 84.4 46.4 98 30
September 12 84.0 46.0 98 31
September 13 83.6 45.5 96 33
September 14 83.2 45.1 98 27
September 15 82.9 44.7 99 30
September 16 82.7 44.4 97 31
September 17 82.4 44.1 97 29
September 18 82.0 43.7 94 22
September 19 81.6 43.4 95 24
September 20 81.0 43.0 91 21
September 21 80.5 42.5 92 25
September 22 80.0 42.0 92 26
September 23 79.4 41.5 93 26
September 24 79.0 41.0 95 26
September 25 78.6 40.5 93 25
September 26 78.3 40.1 97 25
September 27 77.7 39.8 101 25
September 28 77.2 39.4 92 26
September 29 76.7 39.0 93 24
September 30 76.2 38.6 92 23
Weather Station Details
Years Station Coordinates
1938–2024 Delta location