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Sea Temperature in Koszalin in September

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

55°F

MINIMUN

62°F

AVERAGE

68°F

MAXIMUM

Historical Data of Water Temperature in September in Koszalin

Water Temperature Chart for Baltic Sea in Koszalin in September

Sea Temperature Table in Koszalin in September Over the Past Years

Day202420232022Average
Sep 164°C64°C66°C65°C
Sep 264°C66°C66°C66°C
Sep 363°C66°C64°C65°C
Sep 464°C64°C64°C65°C
Sep 563°C64°C64°C64°C
Sep 663°C64°C64°C64°C
Sep 764°C64°C64°C65°C
Sep 864°C64°C63°C64°C
Sep 964°C63°C63°C64°C
Sep 1064°C63°C63°C64°C
Sep 1164°C63°C63°C64°C
Sep 1264°C63°C63°C64°C
Sep 1364°C63°C61°C63°C
Sep 1464°C63°C61°C63°C
Sep 1564°C63°C61°C63°C
Sep 1664°C63°C61°C63°C
Sep 1763°C63°C61°C62°C
Sep 1864°C63°C59°C62°C
Sep 1963°C64°C59°C62°C
Sep 2063°C63°C59°C62°C
Sep 2161°C63°C59°C61°C
Sep 2261°C63°C59°C61°C
Sep 2361°C63°C57°C61°C
Sep 2461°C63°C57°C61°C
Sep 2559°C63°C57°C60°C
Sep 2659°C63°C57°C60°C
Sep 2761°C63°C57°C60°C
Sep 2859°C63°C55°C60°C
Sep 2959°C63°C55°C60°C
West Pomeranian Voivodeship, PolandWest Pomeranian Voivodeship, PolandWest Pomeranian Voivodeship, Poland

Koszalin Climate and Swimming Opportunities in September

64°F

Average Day Air Temperature

52°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

11 days

Number of Rainy Days

13 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

9 mph

Average Wind Speed

81%

Average
humidity

Koszalin lies within the West Pomeranian Voivodeship in Poland. The average daytime temperature in Koszalin in September is 18°C (64°F), while the nighttime average is 11°C (52°F). There are typically 11 rainy days during the month, with a total precipitation of 76 mm (3.0 inches). The daylight duration in September in Koszalin is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 14 km/h (9 mph), and the humidity level is around 81%.

The water temperature in Koszalin in September ranges from 15°C to 18°C (59°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 17°C (63°F) by mid-September and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Koszalin for September is 17°C (63°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Koszalin

What is the sea temperature in Koszalin in September?

The water temperature in the Baltic Sea in Koszalin in September ranges from 15°C to 18°C (59°F to 64°F).

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

The average sea temperature in Koszalin in September is 17°C (63°F), and the air temperature is 18°C (64°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.