Sea Temperature in Simoniemi in September

© Ari Salo

Complete information on the sea temperature range in the Gulf of Bothnia in Simoniemi in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Simoniemi. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Simoniemi Climate and Swimming Opportunities in September

Simoniemi lies within the Lapland in Finland. The average daytime temperature in Simoniemi in September is 14°C (57°F), while the nighttime average is 6°C (43°F). There are typically 11 rainy days during the month, with a total precipitation of 55 mm (2.2 inches). The daylight duration in September in Simoniemi is 13 hours, with an average of 3 hours of sunshine per day. The average wind speed in September is 10 km/h (6 mph), and the humidity level is around 84%.

The water temperature in Simoniemi in September ranges from 9°C to 14°C (48°F to 57°F). At the beginning of the month, the average temperature is around 13°C (55°F), shifting to 12°C (54°F) by mid-September and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Simoniemi 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.

Frequently Asked Questions About Water Temperatures in September in Simoniemi