Sea Temperature in Oestermalm in September

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

48°F

MINIMUN

57°F

AVERAGE

66°F

MAXIMUM

Historical Data of Water Temperature in September in Oestermalm

Water Temperature Chart for Baltic Sea in Oestermalm in September

Sea Temperature Table in Oestermalm in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	59°C	64°C	61°C	60°C
Sep 2	63°C	63°C	61°C	61°C
Sep 3	59°C	63°C	61°C	60°C
Sep 4	59°C	64°C	59°C	60°C
Sep 5	61°C	63°C	59°C	61°C
Sep 6	61°C	63°C	57°C	60°C
Sep 7	61°C	63°C	59°C	61°C
Sep 8	61°C	61°C	57°C	60°C
Sep 9	61°C	61°C	57°C	60°C
Sep 10	61°C	61°C	57°C	60°C
Sep 11	61°C	61°C	59°C	60°C
Sep 12	61°C	59°C	57°C	60°C
Sep 13	61°C	59°C	57°C	59°C
Sep 14	59°C	59°C	57°C	59°C
Sep 15	61°C	59°C	57°C	59°C
Sep 16	61°C	57°C	57°C	58°C
Sep 17	59°C	57°C	57°C	58°C
Sep 18	61°C	57°C	57°C	58°C
Sep 19	59°C	57°C	57°C	58°C
Sep 20	59°C	59°C	57°C	59°C
Sep 21	59°C	55°C	57°C	58°C
Sep 22	59°C	55°C	57°C	58°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	57°C
Sep 27	57°C	57°C	59°C	58°C
Sep 28	57°C	57°C	57°C	58°C
Sep 29	55°C	55°C	57°C	56°C

Oestermalm 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

Oestermalm lies within the Stockholm County in Sweden. The average daytime temperature in Oestermalm 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 Oestermalm 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 Oestermalm 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 Oestermalm 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 Oestermalm

What is the sea temperature in Oestermalm in September?

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

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

The average sea temperature in Oestermalm 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.