Weather in September in Vermillion, Sd

< September >
	Normal Max/ High Temperature	26°C (78°F)
	Average Temperature	18°C (64°F)
	Min/ Low Temperature	10°C (50°F)
	Normal Precipitation	62mm (2.4in)
	Average Daylight per day	12h 26'
	Sun altitude at solar noon on the 21st day.	47.7°

• The average temperature in Vermillion, Sd in September is very mild at 17.8 °C (64.04 °F).
• Afternoons can be hot with average high temperatures reaching 25.6 °C (78.1 °F).
• Overnight temperatures are generally quite mild with an average low of 10.1 °C (50.2 °F).
• The variation/ range of daily average temperatures in September is 15.5 °C (27.9 °F).
• Precipitation averages for September are moderate with 61.7mm (2.4 in) recorded.
• The shortest day is 11h 43' long and the longest day is 13h 09' long with an average length of 12h 26'.

Weather Trend Graph for September in Vermillion, Sd, Usa