Weather in September in Moline/ Quad City, Il

< September >
	Normal Max/ High Temperature	24°C (76°F)
	Average Temperature	18°C (65°F)
	Min/ Low Temperature	12°C (53°F)
	Normal Precipitation	102mm (4in)
	Average Daylight per day	12h 25'
	Sun altitude at solar noon on the 21st day.	49.1°

• The average temperature in Moline/ Quad City, Il in September is somewhat warm at 18.2 °C (64.76 °F).
• Afternoons can be fairly hot with average high temperatures reaching 24.4 °C (75.9 °F).
• Overnight temperatures are generally quite mild with an average low of 11.8 °C (53.2 °F).
• In September the average diurnal temperature variation/ range is 12.6 °C (22.7 °F).
• Precipitation averages for September are high with 102.1mm (4 in) recorded.
• The shortest day is 11h 44' long and the longest day is 13h 06' long with an average length of 12h 25'.

Weather Trend Graph for September in Moline/ Quad City, Il, Usa