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Sea Temperature in Tonsberg in September
Complete information on the sea temperature range in the North Sea in Tonsberg in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Tonsberg. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Tonsberg in September
12°C
MINIMUN
15.5°C
AVERAGE
19°C
MAXIMUM
Historical Data of Water Temperature in September in Tonsberg
Water Temperature Chart for North Sea in Tonsberg in September
Sea Temperature Table in Tonsberg in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 18°C | 17°C | 17°C | 17.3°C |
| Sep 2 | 18°C | 17°C | 17°C | 17.3°C |
| Sep 3 | 17°C | 17°C | 17°C | 16.8°C |
| Sep 4 | 17°C | 16°C | 17°C | 16.8°C |
| Sep 5 | 17°C | 16°C | 17°C | 16.5°C |
| Sep 6 | 16°C | 16°C | 17°C | 16.5°C |
| Sep 7 | 17°C | 16°C | 17°C | 16.5°C |
| Sep 8 | 17°C | 16°C | 17°C | 16.5°C |
| Sep 9 | 17°C | 16°C | 16°C | 16.5°C |
| Sep 10 | 17°C | 15°C | 16°C | 16.3°C |
| Sep 11 | 16°C | 15°C | 16°C | 16.0°C |
| Sep 12 | 16°C | 15°C | 16°C | 16.0°C |
| Sep 13 | 16°C | 15°C | 16°C | 15.8°C |
| Sep 14 | 17°C | 15°C | 16°C | 16.0°C |
| Sep 15 | 16°C | 15°C | 16°C | 15.8°C |
| Sep 16 | 16°C | 14°C | 16°C | 15.3°C |
| Sep 17 | 16°C | 14°C | 16°C | 15.3°C |
| Sep 18 | 16°C | 14°C | 15°C | 15.3°C |
| Sep 19 | 16°C | 14°C | 15°C | 15.3°C |
| Sep 20 | 16°C | 14°C | 15°C | 14.8°C |
| Sep 21 | 16°C | 14°C | 15°C | 14.8°C |
| Sep 22 | 15°C | 13°C | 14°C | 14.0°C |
| Sep 23 | 16°C | 13°C | 15°C | 14.8°C |
| Sep 24 | 16°C | 13°C | 15°C | 14.5°C |
| Sep 25 | 16°C | 13°C | 15°C | 14.8°C |
| Sep 26 | 15°C | 13°C | 15°C | 14.8°C |
| Sep 27 | 15°C | 13°C | 15°C | 14.8°C |
| Sep 28 | 14°C | 12°C | 15°C | 14.0°C |
| Sep 29 | 15°C | 12°C | 15°C | 14.3°C |
Tonsberg Climate and Swimming Opportunities in September
15°C
Average Day Air Temperature
8°C
Average Night Air Temperature
80 mm
Precipitation Amount per Month
16 days
Number of Rainy Days
13 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
13 km/h
Average Wind Speed
76%
Average
humidity
Tonsberg lies within the Telemark County in Norway. The average daytime temperature in Tonsberg in September is 15°C (58°F), while the nighttime average is 8°C (47°F). There are typically 16 rainy days during the month, with a total precipitation of 80 mm (3.1 inches). The daylight duration in September in Tonsberg is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 13 km/h (8 mph), and the humidity level is around 76%.
The water temperature in Tonsberg in September ranges from 14°C to 17°C (57°F to 63°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 16°C (61°F) by mid-September and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Tonsberg for September is 16°C (61°F).
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Tonsberg
What is the sea temperature in Tonsberg in September?
The water temperature in the North Sea in Tonsberg in September ranges from 14°C to 17°C (57°F to 63°F).
Is it possible to swim in the North Sea in Sagesund in September?
The average sea temperature in Sagesund in September is 16°C (61°F), and the air temperature is 17°C (62°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.