Weather in September in Trondheim

< September >
	Normal Max/ High Temperature	13°C (55°F)
	Average Temperature	10°C (49°F)
	Min/ Low Temperature	6°C (43°F)
	Normal Precipitation	92mm (3.6in)
	Number of Wet Days (probability of rain on a day)	19 (63%)
	Average Sunlight per day	03h 44'
	Average Daylight per day	13h 05'
	Sunny (Cloudy) Daylight Hours	30% (70%)
	Sun altitude at solar noon on the 21st day.	27.2°

The average temperature in Trondheim in September is a little cool at 9.5 °C (49.1 °F).
Afternoons can be mild with average high temperatures reaching 13 °C (55.4 °F).
Overnight temperatures are generally cool with an average low of 6 °C (42.8 °F).
In September there is a range/ variation of mean daily temperatures of 7 °C (12.6 °F).
Precipitation averages for September are high with 92mm (3.6 in) recorded across 19 days.
The blue above Trondheim is somewhat dreary having on average merely 3h 44' of blazing sunlight per day.
The shortest day is 11h 31' long and the longest day is 14h 38' long with an average length of 13h 05'.
There are approximately 8h 50' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 29.7% of daylight hours and cloudy 70.3% of daylight hours.

Weather Trend Graph for September in Trondheim, Norway

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