| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in La Harpe, Il in September is somewhat warm at 18.3 °C (64.94 °F).
- Afternoons can be fairly hot with average high temperatures reaching 25.4 °C (77.7 °F).
- Overnight temperatures are generally quite mild with an average low of 11.2 °C (52.2 °F).
- In September there is a variation/ range of mean diurnal temperatures of 14.2 °C (25.6 °F).
- The weather in September is hardly dry. Circa 113mm (4.4in) of H2O is released.
- The shortest day is 11:45 long and the longest day is 13:05 long with an average length of 12:25.
Check the distance to and compare the La Harpe, Il September averages with somewhere beginning with:
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Weather Trend Graph for September in La Harpe, Il, Usa
Navigate to September Weather in Locations Surrounding La Harpe, Il:
- Washington, Ia, Usa - 83.9 kms (52.1 miles) W
- Fairfield, Ia, Usa - 83.9 kms (52.1 miles) W
- Mount Pleasant, Ia, Usa - 43.2 kms (26.8 miles) W
- Burlington, Iowa, Usa - 26 kms (16.2 miles) SSW
- Rushville, Il, Usa - 111.2 kms (69.1 miles) S