Tromso in september: average Weather, Temperature and Climate
Weather in Tromso in september 2025
The weather in Tromso in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
bad weather 25.9cm
Weather at 6am
45°F
Moderate rain at times
27% of time
23%
20%
18%
Weather at 12pm
50°F
Moderate rain at times
28% of time
25%
19%
16%
Weather at 6pm
45°F
Moderate rain at times
29% of time
20%
19%
17%
Weather at 3am
43°F
29%
21%
20%
12%
Evolution of daily average temperature and precipitation in Tromso in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Tromso in september.
The climate of Tromso in september is bad
the weather in Tromso in september is wet (with 7.3in of precipitation over 11 days). The weather is worst than the previous month since in august there is an average of 6.1in of rainfall over 9 days.
The climate is rather cool in this city this month, but it is liveable by dressing cosy. Temperatures are up to 50°F. The seasonal minimum is 45°F. Thus, the mean temperature average on this month of september in Tromso is 47°F. Note that seasonal normals are in contrast with those observed in Tromso in the month of september with a maximum record of 67°F in 2019 and a minimum record of 31°F in 2012.
Day length in Tromso in september is 13:20. Sunrise is at 04:58 and sets at 18:18.
With a bad climate, september is not the best time to go in Tromso.
September: another location in Lapland?
If you want to go to Lapland in september, there are destinations with better weather than Tromso:
In september, Kemi, Lulea, Ranua, Piteå and Tornio have a tolerable climate, but better than Tromso.
Seasonal average climate and temperature of Tromso in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 47°F | ||||
| Highest temperature | 50°F | ||||
| Lowest temperature | 45°F | ||||
| Highest record temperature | 67°F (2019) | ||||
| Lowest record temperature | 31°F (2012) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 1 day(s) (3%) | ||||
| Sea temperature | |||||
| Average sea temperature | 51°F | ||||
| Lowest sea temperature | 48°F | ||||
| Highest sea temperature | 54°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 40°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.3in | ||||
| Number of days with rainfall | 11 day(s) (36%) | ||||
| Record daily rainfall | 2in (2014) | ||||
| Snowfall | 25.9cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.67km | ||||
| Cloud cover | 63% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:58 | ||||
| Time of sunset | 18:18 | ||||
| Length of day | 13:20 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Tromso in september 2024:
50°F to 59°F
52°F to 68°F
56°F to 63°F
54°F to 63°F
52°F to 56°F
50°F to 58°F
52°F to 56°F
56°F to 68°F
58°F to 70°F
56°F to 61°F
54°F to 61°F
54°F to 65°F
47°F to 59°F
47°F to 49°F
43°F to 56°F
50°F to 58°F
45°F to 50°F
50°F to 52°F
50°F to 58°F
41°F to 45°F
41°F to 43°F
40°F to 41°F
36°F to 41°F
38°F to 41°F
36°F to 45°F
38°F to 45°F
38°F to 41°F
36°F to 43°F
34°F to 38°F
34°F to 38°F
Map: other cities in Lapland in september
Cities near Tromso:
| Lyngen Alps (Lyngsalpan) in september | bad weather |
| Lyngseidet in september | bad weather |
| Storslett in september | bad weather |
| Skjervoy in september | bad weather |
| Kilpisjärvi in september | very bad weather |
| Riksgränsen in september | very bad weather |
| Abisko in september | very bad weather |
| Alta in september | bad weather |
| Kautokeino in september | bad weather |
| Kiruna in september | bad weather |
| Hammerfest in september | bad weather |
| Enontekiö in september | bad weather |
Click over cities on the map for information about the weather in september.
Tromso
perfect weather
good
tolerable
bad
very bad
Weather data for Tromso in september:
Weather data for Tromso for september are derived from an average of the weather forecast since 2009 in Tromso. There is a margin of error and these forecasts are to be considered as general information only. The weather in Tromso can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Tromso.