Weather in September in Saint Johnsbury, Vt

< September >
	Normal Max/ High Temperature	22°C (71°F)
	Average Temperature	15°C (59°F)
	Min/ Low Temperature	8°C (47°F)
	Normal Precipitation	79mm (3.1in)
	Average Daylight per day	12h 27'
	Sun altitude at solar noon on the 21st day.	46.1°

• The average temperature in Saint Johnsbury, Vt in September is mild at 15.1 °C (59.18 °F).
• Afternoons can be really warm with average high temperatures reaching 21.8 °C (71.2 °F).
• Overnight temperatures are generally a little cool with an average low of 8.3 °C (46.9 °F).
• In September the variation/ range of diurnal average temperatures is 13.5 °C (24.3 °F).
• Precipitation averages for September are moderate with 78.7mm (3.1 in) recorded.
• The shortest day is 11h 41' long and the longest day is 13h 12' long with an average length of 12h 27'.

Weather Trend Graph for September in Saint Johnsbury, Vt, Usa