Current sea water temperature:
+53.6°F
| Minimum sea water temperature in September: | 60.1°F |
| Maximum sea water temperature in September: | 50.0°F |
| Average sea water temperature in September: | 55.0°F |
| more information | |
14 days
forecast
forecast
| Trondheim |
monthly
weather
weather
| Trondheim |
Sea water temperature for the last 10 days:
| September 15 | 53.6°F | September 10 | 56.8°F |
| September 14 | 55.0°F | September 9 | 56.1°F |
| September 13 | 55.4°F | September 8 | 56.7°F |
| September 12 | 55.4°F | September 7 | 57.4°F |
| September 11 | 55.9°F | September 6 | 57.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Trondheim?
Based on the data about daily sea water temperature for the last three years the warmest sea in Trondheim was noticed in July, August and September.
Monthly Sea Temperatures in Trondheim, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 57.8°F. The highest and lowest sea temperatures during the month were 60.4°F and 54.7°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 57.6°F. The highest and lowest sea temperatures during the month were 59.9°F and 55.8°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 56.6°F. The highest and lowest sea temperatures during the month were 58.6°F and 53.6°F.
current
weather
weather
| Trondheim |
weather in
September
September
| Trondheim |
Best time for vacation in Trondheim
Trondheim on a weather map
Places in Norway:
Name
°F
24 Hours Forecast
Trondheim
Local time: 17:57
September 15, tuesday
1800
55°F
SW
12 mph
12 mph
2100
57°F
SW
11 mph
11 mph
September 16, wednesday
0000
54°F
NE
2 mph
2 mph
0300
52°F
SE
2 mph
2 mph
0600
52°F
E
7 mph
7 mph
0900
52°F
E
12 mph
12 mph
1200
52°F
E
12 mph
12 mph
1500
52°F
E
16 mph
16 mph
