Trondheim weather in September (Norway)
Looking to travel to Trondheim in September? This guide provides all the details you need.
In September, Trondheim generally has moderate temperatures and high rainfall. Daytime temperatures hover around 15°C, while nights can cool down to about 7°C.
Trondheim in September usually receives high rainfall, averaging around 127 mm for the month. Typically around 23 days of rainfall is expected.
The city usually sees around 132 hours of sunlight, indicating a moderately sunny period.
If your ideal day consists of dry skies and moderate temperatures July generally stands out with the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Trondheim climate page with graphs.
Trondheim, monthly averages in September
Min Temperature
7°C
Max Temperature
15°C
Water Temperature
12°C
Chance of Rain
75%
Precipitation
127 mm
Rainy days
23 days
Humidity
82%
Windspeed
11 km/h
Sunshine
132 hours
Percentage Sunshine
Where to go in Norway in September
Find out more about the weather in Norway in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Trondheim in September?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 12°C there is no need to bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Trondheim.
Our site offers climate and forecast data for every country in the world. Are you going to Norway? On this website you can find historical weather averages for many cities in Norway. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
