16.09
wed
wed
Day
57°F
N 11 mph
Precip.
18%
18%
Night
52°F
SE 11 mph
Precip.
24%
24%
17.09
thu
thu
Day
55°F
SE 12 mph
Precip.
3%
3%
Night
43°F
SE 2 mph
Precip.
8%
8%
18.09
fri
fri
Day
48°F
NW 2 mph
Precip.
21%
21%
Night
50°F
NW 2 mph
Precip.
53%
53%
19.09
sat
sat
Day
52°F
E 3 mph
Precip.
41%
41%
Night
46°F
W 1 mph
Precip.
32%
32%
20.09
sun
sun
Day
55°F
E 5 mph
Precip.
15%
15%
Night
46°F
SE 7 mph
Precip.
31%
31%
21.09
mon
mon
Day
54°F
S 12 mph
Precip.
10%
10%
Night
45°F
S 12 mph
Precip.
6%
6%
22.09
tue
tue
Day
52°F
NE 11 mph
Precip.
10%
10%
Night
48°F
S 6 mph
Precip.
18%
18%
sea water
temperature
temperature
| Sundsvall |
monthly
weather
weather
| Sundsvall |
current
weather
weather
| Sundsvall |
14 days
forecast
forecast
| Sundsvall |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 58.8°F. The highest and lowest sea temperatures during the month were 60.8°F and 57.0°F.
Air temperature in Sundsvall, °F
Precipitation total in Sundsvall, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sundsvall
Sundsvall on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Sundsvall
Local time: 12:11
September 16, wednesday
1500
59°F
NE
11 mph
11 mph
1800
55°F
NE
10 mph
10 mph
2100
52°F
E
6 mph
6 mph
September 17, thursday
0000
52°F
SE
11 mph
11 mph
0300
52°F
SE
14 mph
14 mph
0600
48°F
E
14 mph
14 mph
0900
50°F
SE
12 mph
12 mph
1200
55°F
SE
12 mph
12 mph
