Lamoni September Weather

Averages and records for weather in Lamoni, Iowa in the month of September.
Typical Lamoni September Weather
1991–2020
Average daily high 77.5 °F
Average daily low 55.0 °F
Average monthly precipitation 3.7 inches
Average monthly snow none
Daily chance of precipitation 27.8%
Daily chance of snow 0%
Lamoni September Weather Records
1897–2024
Highest temperature 103 °F September 5, 1913
Lowest temperature 24 °F September 29, 1899
Highest daily low 75 °F September 6, 1985
Lowest daily high 42 °F September 26, 1942
Hottest average high temperature 87.4 °F 1897
Coldest average high temperature 69.2 °F 1993
Most daily precipitation 6.4 inches September 12, 1949
Most monthly precipitation 14.6 inches 1926
Most daily snow 1.0 inches September 25, 1942
Most monthly snow 1.0 inches 1942
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 82.5 60.9 102 38
September 2 82.2 60.5 100 45
September 3 82.0 60.2 102 45
September 4 81.7 59.9 102 45
September 5 81.5 59.7 103 42
September 6 81.2 59.3 98 42
September 7 80.9 58.9 97 41
September 8 80.4 58.5 99 42
September 9 80.0 58.0 96 39
September 10 79.6 57.6 99 39
September 11 79.1 57.1 98 38
September 12 78.8 56.6 97 40
September 13 78.4 56.1 97 38
September 14 78.0 55.7 95 35
September 15 77.6 55.2 97 36
September 16 77.3 54.8 95 36
September 17 77.1 54.4 96 37
September 18 76.7 54.0 93 34
September 19 76.2 53.6 96 32
September 20 75.8 53.2 94 32
September 21 75.2 52.8 99 30
September 22 74.8 52.3 97 30
September 23 74.4 51.8 93 34
September 24 74.0 51.4 93 29
September 25 73.7 51.0 91 29
September 26 73.4 50.6 90 29
September 27 72.9 50.1 92 30
September 28 72.5 49.7 92 27
September 29 72.1 49.3 92 24
September 30 71.7 48.9 92 27
Weather Station Details
Years Station Coordinates
1897–2024 Lamoni location