Sundsvall in september: average Weather, Temperature and Climate
Weather in Sundsvall in september 2025
The weather in Sundsvall in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather
Weather at 6am
50°F
Clear/Sunny
28% of time
27%
17%
12%
Weather at 12pm
58°F
Partly Cloudy
31% of time
27%
21%
16%
Weather at 6pm
50°F
Clear/Sunny
30% of time
26%
17%
15%
Weather at 3am
49°F
26%
24%
23%
12%
Evolution of daily average temperature and precipitation in Sundsvall in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sundsvall in september.
The climate of Sundsvall in september is tolerable
the weather in Sundsvall in september is rather dry (with 2.8in of rainfall over 4 days). The weather is worst than the previous month since in august there is an average of 3.2in of rainfall over 5 days.
The climate is quite cool around this city september, but it is bearable by dressing cosy. The thermometer averaged maximum of 58°F. The seasonal minimum is 50°F. Thus, the mean temperature average in september in Sundsvall is 54°F. Note that seasonal normals are in contrast with those observed in Sundsvall in the month of september with a maximum record of 72°F in 2018 and a minimum record of 34°F in 2013. You can hope to have about 4 days with temperatures up to 65°F, or 13% of time.
In september in Sundsvall, the days on average last 12:58. Sunrise is at 05:16 and sunset is at 18:14.
With a correct weather, the month of september is okay (but not good) to go in this city.
Sundsvall: another month?
If you can push the dates of your trip to Sundsvall forward, the month of october has a better weather forecast than september. more information
September: another location in Sweden?
If you want to go to Sweden in september, there are destinations with better weather than Sundsvall:
In september, Stockholm, Gothenburg, Gävle, Gotland, Karlstad and Malmo have good weather.
Seasonal average climate and temperature of Sundsvall in september
Check below seasonal norms These datas are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 54°F | ||||
| Highest temperature | 58°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 72°F (2018) | ||||
| Lowest record temperature | 34°F (2013) | ||||
| Number of days at +65°F | 4 day(s) (13%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 55°F | ||||
| Lowest sea temperature | 47°F | ||||
| Highest sea temperature | 64°F | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 47°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 2.9in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 8.34km | ||||
| Cloud cover | 50% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:16 | ||||
| Time of sunset | 18:14 | ||||
| Length of day | 12:58 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Sundsvall in september 2024:
52°F to 58°F
54°F to 59°F
52°F to 61°F
52°F to 65°F
58°F to 79°F
59°F to 77°F
58°F to 76°F
58°F to 68°F
56°F to 68°F
56°F to 61°F
54°F to 56°F
45°F to 58°F
47°F to 61°F
45°F to 59°F
41°F to 58°F
45°F to 61°F
49°F to 63°F
50°F to 67°F
52°F to 72°F
52°F to 67°F
47°F to 56°F
41°F to 45°F
45°F to 52°F
47°F to 52°F
49°F to 52°F
45°F to 52°F
40°F to 45°F
32°F to 50°F
36°F to 49°F
32°F to 52°F
Map: other cities in Sweden in september
Cities near Sundsvall:
| Härnösand in september | tolerable weather |
| Kramfors in september | tolerable weather |
| Hudiksvall in september | tolerable weather |
| Ljusdal in september | tolerable weather |
| Skuleskogens nationalpark in september | tolerable weather |
| Söderhamn in september | good weather |
| Ornskoldsvik in september | tolerable weather |
| Edsbyn in september | tolerable weather |
| Ostersund in september | tolerable weather |
| Stroemsund in september | bad weather |
| Gävle in september | good weather |
| Sandviken in september | good weather |
Click over cities on the map for information about the weather in september.
Sundsvall
perfect weather
good
tolerable
bad
very bad
Weather data for Sundsvall in september:
Weather data for Sundsvall for september are derived from an average of the weather forecast since 2009 in Sundsvall. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sundsvall 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 Sundsvall.