World Resorts Sweden Stockholm Weather

Stockholm weather in September

Weather in Stockholm: September

Average day temperature: 61.2°F
Average night temperature: 52.0°F
Sea water temperature: 60.5°F
Number of sunny days: 11 days
Day length: 11.6 - 14.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 74°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during September were 64.0°F and 54.8°F.

Sea water temperature in Stockholm in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 60.8°F. The highest and lowest sea temperatures during the month were 63.1°F and 58.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Stockholm in September is 1.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.1 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.1.

Best time for vacation in Stockholm

Sunniest months:
June 15 days
July 14 days
May 13 days
Warmest months:
July 70.5 °F
August 68.8 °F
June 66.5 °F
Warmest sea temp:
August 65.2 °F
July 62.0 °F
September 60.5 °F
Coldest months:
January 31.3 °F
February 32.9 °F
December 34.3 °F
Rainiest months:
July 3 days
October 3 days
August 3 days
Windiest months:
January 10.8 mph
December 10.8 mph
February 10.3 mph

Stockholm on a weather map

Stockholm
+41°F
NW 4 mph
Feels like: +39°F
Precip.: 100%
Places in Sweden:
Name
°F
+39°F
+41°F
+39°F
+41°F
+41°F
+41°F
+41°F
+41°F
+34°F
+39°F
+41°F
+37°F
+32°F
24 Hours Forecast
Stockholm
Local time: 06:35
December 05, friday
0900
41°F
W
4 mph
1200
43°F
NW
3 mph
1500
41°F
N
3 mph
1800
41°F
NW
4 mph
2100
41°F
NW
4 mph
December 06, saturday
0000
43°F
W
7 mph
0300
43°F
W
9 mph
0600
43°F
W
9 mph
Units of measurement: °C / °F