Weather in September in Mount Washington, Nh

< September >
	Normal Max/ High Temperature	8°C (46°F)
	Average Temperature	5°C (40°F)
	Min/ Low Temperature	1°C (35°F)
	Normal Precipitation	188mm (7.4in)
	Average Daylight per day	12h 27'
	Sun altitude at solar noon on the 21st day.	46.3°

• The average temperature in Mount Washington, Nh in September is cool at 4.6 °C (40.28 °F).
• Afternoons can be a little cool with average high temperatures reaching 7.7 °C (45.9 °F).
• Overnight temperatures are generally very cool with an average low of 1.4 °C (34.5 °F).
• In September there is a range/ variation of mean daily temperatures of 6.3 °C (11.3 °F).
• Precipitation averages for September are high with 187.5mm (7.4 in) recorded.
• The shortest day is 11h 42' long and the longest day is 13h 12' long with an average length of 12h 27'.

Weather Trend Graph for September in Mount Washington, Nh, Usa