Røros

Sør-Trøndelag Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Sør-Trøndelag, Norway in September.

Planning a getaway to Sør-Trøndelag, Norway this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Sør-Trøndelag in September

Sør-Trøndelag, Norway is a region in Norway. September in Sør-Trøndelag generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum daytime temperatures vary from cold in Oppdal at 11°C (52°F) to mild in Trondheim at 16°C (61°F). Nighttime temperatures generally drop to 7°C (45°F) in Trondheim and 2°C (36°F) in Oppdal.

For specific regional insights in Sør-Trøndelag, Norway, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Røros with an average of 78 mm (3.1 in) to heavy rainfall in Oksvoll with 182 mm (7.2 in). Going by our weather data, it is the wettest month of the year in Trondheim.

Average sunshine

Sunshine amounts are decent in most places. Trondheim gets approximately 132 hours of sunlight in September, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Sør-Trøndelag by month

Pick a month to see the average temperature, rainfall and sunshine in Sør-Trøndelag — and find the best time to visit. (based on Trondheim)

Best Places to Visit in Sør-Trøndelag in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sør-Trøndelag.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Sør-Trøndelag

What is the weather like in September for some of the most popular destinations in Sør-Trøndelag, Norway?

Temperature range in Sør-Trøndelag (September)

Precipitation variation in Sør-Trøndelag (September)

Trondheim

In September Trondheim generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
19°C (66°F)
16°C (61°F)
9°C (48°F)
Min temperature
10°C (50°F)
7°C (45°F)
3°C (37°F)
Monthly sun hours
169 hours
132 hours
118 hours
Monthly rainfall
114 mm (4.5 in)
120 mm (4.7 in)
99 mm (3.9 in)
Monthly rainy days
19 days
24 days
23 days
Weather conditions

Røros

In September Røros generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
16°C (61°F)
11°C (52°F)
5°C (41°F)
Min temperature
6°C (43°F)
3°C (37°F)
-2°C (28°F)
Monthly rainfall
106 mm (4.2 in)
78 mm (3.1 in)
68 mm (2.7 in)
Monthly rainy days
19 days
20 days
18 days
Weather conditions

Selva

In September Selva generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
17°C (63°F)
14°C (57°F)
10°C (50°F)
Min temperature
12°C (54°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
169 hours
132 hours
118 hours
Monthly rainfall
128 mm (5 in)
174 mm (6.9 in)
163 mm (6.4 in)
Monthly rainy days
19 days
24 days
24 days
Weather conditions

Brekstad

In September Brekstad generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
17°C (63°F)
14°C (57°F)
10°C (50°F)
Min temperature
12°C (54°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
169 hours
132 hours
118 hours
Monthly rainfall
127 mm (5 in)
182 mm (7.2 in)
174 mm (6.9 in)
Monthly rainy days
19 days
24 days
24 days
Weather conditions

Oppdal

In September Oppdal generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
15°C (59°F)
11°C (52°F)
5°C (41°F)
Min temperature
6°C (43°F)
2°C (36°F)
-3°C (27°F)
Monthly rainfall
126 mm (5 in)
90 mm (3.5 in)
77 mm (3 in)
Monthly rainy days
18 days
18 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Sør-Trøndelag, in Norway.

Popular cities in September

Day & night temperatures, rainfall and average weather in Sør-Trøndelag in September.

City Weather Day temp Night temp Rainfall
Trondheim 16°C (61°F) 7°C (45°F) 120 mm (4.7 in)
Røros 11°C (52°F) 3°C (37°F) 78 mm (3.1 in)
Selva 14°C (57°F) 9°C (48°F) 174 mm (6.9 in)
Brekstad 14°C (57°F) 9°C (48°F) 182 mm (7.2 in)
Oppdal 11°C (52°F) 2°C (36°F) 90 mm (3.5 in)
Knarrlagsund 14°C (57°F) 10°C (50°F) 160 mm (6.3 in)

Sør-Trøndelag weather in September: frequently asked questions

What is the weather like in Sør-Trøndelag, Norway in September?

Sør-Trøndelag, Norway typically experiences unpleasant weather in September, part of the season. Daytime highs in Trondheim average around 16°C (61°F), and temperatures drop to about 7°C (45°F) at night.

What is the average temperature in Sør-Trøndelag, Norway in September?

Average temperatures in Sør-Trøndelag, Norway during September range from a nighttime low near 7°C (45°F) to a daytime high around 16°C (61°F) in Trondheim.

Does Sør-Trøndelag, Norway get a lot of rain in September?

Sør-Trøndelag, Norway sees substantial rainfall in September. Trondheim typically averages about 120 mm (4.7 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Sør-Trøndelag, Norway?

In our opinion, September may not be the ideal time to visit Sør-Trøndelag, Norway due to the typically unpleasant weather in Trondheim.

Generally speaking, the best visiting conditions can be found in July offering mostly pleasant weather in Trondheim. On the other hand, the months of January, February, March, April, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Sør-Trøndelag.

Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed 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 travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.