Sea Temperature in Trosa in September

Complete information on the sea temperature range in the Baltic Sea in Trosa in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Trosa. 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 Trosa in September

50°F

MINIMUN

58°F

AVERAGE

66°F

MAXIMUM

Historical Data of Water Temperature in September in Trosa

Water Temperature Chart for Baltic Sea in Trosa in September

Sea Temperature Table in Trosa in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	59°C	63°C	61°C	60°C
Sep 2	61°C	64°C	61°C	61°C
Sep 3	59°C	63°C	61°C	60°C
Sep 4	59°C	63°C	61°C	60°C
Sep 5	59°C	63°C	59°C	60°C
Sep 6	59°C	63°C	59°C	60°C
Sep 7	59°C	63°C	59°C	60°C
Sep 8	61°C	61°C	59°C	60°C
Sep 9	59°C	61°C	57°C	60°C
Sep 10	59°C	59°C	57°C	60°C
Sep 11	61°C	61°C	57°C	60°C
Sep 12	59°C	59°C	57°C	59°C
Sep 13	61°C	59°C	57°C	59°C
Sep 14	61°C	59°C	59°C	60°C
Sep 15	59°C	59°C	57°C	59°C
Sep 16	61°C	59°C	57°C	59°C
Sep 17	59°C	57°C	59°C	58°C
Sep 18	59°C	57°C	57°C	58°C
Sep 19	59°C	59°C	57°C	59°C
Sep 20	59°C	57°C	57°C	58°C
Sep 21	59°C	55°C	57°C	58°C
Sep 22	57°C	55°C	57°C	57°C
Sep 23	57°C	55°C	57°C	57°C
Sep 24	57°C	55°C	57°C	57°C
Sep 25	57°C	57°C	57°C	58°C
Sep 26	57°C	57°C	57°C	58°C
Sep 27	57°C	55°C	57°C	57°C
Sep 28	55°C	57°C	57°C	57°C
Sep 29	55°C	57°C	57°C	57°C

Trosa Climate and Swimming Opportunities in September

61°F

Average Day Air Temperature

48°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

10 days

Number of Rainy Days

13 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

9 mph

Average Wind Speed

79%

Average
humidity

Trosa lies within the Södermanland in Sweden. The average daytime temperature in Trosa in September is 16°C (60°F), while the nighttime average is 9°C (48°F). There are typically 10 rainy days during the month, with a total precipitation of 51 mm (2.0 inches). The daylight duration in September in Trosa is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 15 km/h (9 mph), and the humidity level is around 79%.

The water temperature in Trosa in September ranges from 13°C to 16°C (55°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 15°C (59°F) by mid-September and reaching 14°C (57°F) in the last ten days. Overall, the average sea temperature in Trosa for September is 15°C (59°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in September in Nearby Cities

Frequently Asked Questions About Water Temperatures in September in Trosa

What is the sea temperature in Trosa in September?

The water temperature in the Baltic Sea in Trosa in September ranges from 13°C to 16°C (55°F to 61°F).

Is it possible to swim in the Baltic Sea in Trosa in September?

The average sea temperature in Trosa in September is 15°C (59°F), and the air temperature is 16°C (60°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.