World Resorts Norway Trondheim Weather

Trondheim Sea Temperature in September

Average sea water temperature in September:
+55.0°F
Minimum sea water temperature in September: 60.1°F
Maximum sea water temperature in September: 50.0°F

Daily 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.

Monthly sea water temperature in Trondheim, °F

Which Norway resorts have warmest sea in September?

Place name September 2026 September 2025
Oslo 62.0°F 60.7°F
Holmenkollen 62.0°F 60.7°F
Stavanger 59.1°F 60.0°F
Bergen 56.8°F 56.8°F
Trondheim 56.6°F 56.0°F
Ålesund 55.8°F 57.5°F
Tromse 49.8°F 50.4°F

Best time for vacation in Trondheim

Sunniest months:
July 8 days
May 8 days
August 8 days
Warmest months:
July 63.4 °F
August 61.6 °F
June 58.8 °F
Warmest sea temp:
July 59.4 °F
August 59.3 °F
September 54.9 °F
Coldest months:
January 26.7 °F
February 29.5 °F
December 29.7 °F
Rainiest months:
September 6 days
July 5 days
August 5 days
Windiest months:
January 8.3 mph
December 8.0 mph
March 7.9 mph

Trondheim on a weather map

Current weather
18:08
Trondheim
+55°F
SW 12 mph
Feels like: +54°F
Precip.: 23%
Places in Norway:
Name
°F
Bergen
+59°F
Lillehammer
+50°F
Ålesund
+54°F
Oslo
+57°F
Stavanger
+59°F
Tromse
+52°F
Trondheim
+55°F
Flam
+46°F
Hemsedal
+41°F
Holmenkollen
+55°F
24 Hours Forecast
Trondheim
Local time: 18:07
September 15, tuesday
2100
57°F
SW
11 mph
September 16, wednesday
0000
54°F
NE
2 mph
0300
52°F
SE
2 mph
0600
52°F
E
7 mph
0900
52°F
E
12 mph
1200
52°F
E
12 mph
1500
52°F
E
16 mph
1800
52°F
SE
19 mph
Units of measurement: °C / °F