Average sea water temperature in September:
+56.0°F
| Minimum sea water temperature in September: | 63.0°F |
| Maximum sea water temperature in September: | 48.9°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 57.5°F. The highest and lowest sea temperatures during the month were 60.6°F and 53.1°F.
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Monthly sea water temperature in Sundsvall, °F
Which Sweden resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Lund | 62.8°F | 63.2°F |
| Malmo | 62.7°F | 63.1°F |
| Helsinborg | 62.6°F | 63.1°F |
| Gothenburg | 62.0°F | 61.9°F |
| Vasteras | 61.6°F | 61.8°F |
| Uppsala | 61.4°F | 62.0°F |
| Kristianstad | 61.3°F | 61.8°F |
| Orebro | 61.0°F | 61.3°F |
| Karlstad | 60.9°F | 61.5°F |
| Stockholm | 60.8°F | 60.4°F |
| Jonkoping | 59.7°F | 59.7°F |
| Sundsvall | 57.5°F | 57.4°F |
Best time for vacation in Sundsvall
Sundsvall on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Sundsvall
Local time: 22:20
June 07, sunday
0000
55°F
SE
12 mph
12 mph
0300
55°F
SE
7 mph
7 mph
0600
55°F
E
6 mph
6 mph
0900
54°F
E
8 mph
8 mph
1200
55°F
NE
11 mph
11 mph
1500
61°F
NE
7 mph
7 mph
1800
66°F
E
6 mph
6 mph
2100
59°F
W
1 mph
1 mph
