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Sea Temperature in Olmen in September
© Grabbarna Hedin
Complete information on the sea temperature range in the Gulf of Bothnia in Olmen in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Olmen. 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 Olmen in September
7°C
MINIMUN
12.5°C
AVERAGE
18°C
MAXIMUM
Historical Data of Water Temperature in September in Olmen
Water Temperature Chart for Gulf of Bothnia in Olmen in September
Sea Temperature Table in Olmen in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 15°C | 16°C | 14°C | 15.0°C |
| Sep 2 | 14°C | 16°C | 15°C | 14.0°C |
| Sep 3 | 13°C | 15°C | 14°C | 13.5°C |
| Sep 4 | 13°C | 15°C | 14°C | 13.5°C |
| Sep 5 | 14°C | 15°C | 14°C | 13.8°C |
| Sep 6 | 13°C | 14°C | 14°C | 13.3°C |
| Sep 7 | 14°C | 14°C | 14°C | 13.5°C |
| Sep 8 | 14°C | 14°C | 13°C | 13.3°C |
| Sep 9 | 14°C | 13°C | 13°C | 13.0°C |
| Sep 10 | 14°C | 15°C | 13°C | 13.8°C |
| Sep 11 | 13°C | 14°C | 13°C | 13.3°C |
| Sep 12 | 13°C | 12°C | 13°C | 12.5°C |
| Sep 13 | 13°C | 12°C | 13°C | 12.3°C |
| Sep 14 | 13°C | 12°C | 13°C | 12.3°C |
| Sep 15 | 13°C | 11°C | 13°C | 12.0°C |
| Sep 16 | 13°C | 11°C | 13°C | 12.0°C |
| Sep 17 | 13°C | 11°C | 13°C | 12.0°C |
| Sep 18 | 13°C | 10°C | 13°C | 11.8°C |
| Sep 19 | 13°C | 10°C | 13°C | 11.8°C |
| Sep 20 | 12°C | 10°C | 13°C | 11.8°C |
| Sep 21 | 12°C | 9°C | 13°C | 11.3°C |
| Sep 22 | 13°C | 9°C | 13°C | 11.5°C |
| Sep 23 | 12°C | 9°C | 13°C | 11.5°C |
| Sep 24 | 12°C | 8°C | 13°C | 11.0°C |
| Sep 25 | 12°C | 8°C | 13°C | 11.0°C |
| Sep 26 | 11°C | 8°C | 13°C | 10.8°C |
| Sep 27 | 11°C | 7°C | 12°C | 10.3°C |
| Sep 28 | 11°C | 7°C | 12°C | 10.3°C |
| Sep 29 | 11°C | 7°C | 12°C | 10.3°C |
Olmen Climate and Swimming Opportunities in September
11°C
Average Day Air Temperature
5°C
Average Night Air Temperature
58 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
13 hrs
Daylight
per Day
4 hrs
Sunshine
per Day
10 km/h
Average Wind Speed
79%
Average
humidity
Olmen lies within the Gävleborg County in Sweden. The average daytime temperature in Olmen in September is 11°C (53°F), while the nighttime average is 5°C (41°F). There are typically 14 rainy days during the month, with a total precipitation of 58 mm (2.3 inches). The daylight duration in September in Olmen is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 10 km/h (6 mph), and the humidity level is around 79%.
The water temperature in Olmen in September ranges from 10°C to 15°C (50°F to 59°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 13°C (55°F) by mid-September and reaching 11°C (52°F) in the last ten days. Overall, the average sea temperature in Olmen for September is 12°C (54°F). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Olmen
What is the sea temperature in Olmen in September?
The water temperature in the Gulf of Bothnia in Olmen in September ranges from 10°C to 15°C (50°F to 59°F).
Is it possible to swim in the Gulf of Bothnia in Olmen in September?
The average sea temperature in Olmen in September is 12°C (54°F), and the air temperature is 11°C (53°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.