Sea Temperature in Stockholm in September

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

9°C

MINIMUN

14°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in September in Stockholm

Water Temperature Chart for Baltic Sea in Stockholm in September

Sea Temperature Table in Stockholm in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	16°C	17°C	17°C	16.0°C
Sep 2	16°C	18°C	17°C	16.5°C
Sep 3	16°C	17°C	16°C	15.8°C
Sep 4	16°C	17°C	16°C	15.8°C
Sep 5	15°C	17°C	16°C	15.8°C
Sep 6	16°C	17°C	16°C	16.3°C
Sep 7	15°C	17°C	15°C	15.8°C
Sep 8	16°C	17°C	15°C	16.0°C
Sep 9	16°C	16°C	15°C	15.8°C
Sep 10	16°C	16°C	14°C	15.5°C
Sep 11	16°C	15°C	14°C	15.3°C
Sep 12	16°C	15°C	14°C	15.0°C
Sep 13	16°C	15°C	13°C	14.8°C
Sep 14	16°C	15°C	13°C	14.8°C
Sep 15	16°C	15°C	13°C	14.8°C
Sep 16	16°C	15°C	13°C	14.8°C
Sep 17	15°C	14°C	12°C	13.8°C
Sep 18	15°C	14°C	12°C	14.0°C
Sep 19	15°C	14°C	12°C	14.0°C
Sep 20	15°C	15°C	11°C	14.0°C
Sep 21	15°C	14°C	11°C	13.8°C
Sep 22	15°C	13°C	11°C	13.5°C
Sep 23	14°C	13°C	10°C	13.0°C
Sep 24	14°C	13°C	10°C	13.0°C
Sep 25	14°C	14°C	10°C	13.3°C
Sep 26	14°C	14°C	10°C	13.0°C
Sep 27	14°C	13°C	9°C	12.5°C
Sep 28	14°C	14°C	9°C	13.0°C
Sep 29	14°C	13°C	9°C	12.5°C

Stockholm Climate and Swimming Opportunities in September

16°C

Average Day Air Temperature

9°C

Average Night Air Temperature

51 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

13 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

15 km/h

Average Wind Speed

79%

Average
humidity

Stockholm lies within the Stockholm County in Sweden. The average daytime temperature in Stockholm 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 Stockholm 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 Stockholm in September ranges from 12°C to 16°C (54°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 13°C (55°F) in the last ten days. Overall, the average sea temperature in Stockholm 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 Stockholm

What is the sea temperature in Stockholm in September?

The water temperature in the Baltic Sea in Stockholm in September ranges from 12°C to 16°C (54°F to 61°F).

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

The average sea temperature in Stockholm 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.