Verdict: Excellent month
Stockholm Weather in September
September is mild-to-cool in Stockholm, topping out near 17°C (63°F) — comfortable with a layer on. Rain is occasional — about 7 wet days in a typical year. Overall, September is one of the best months of the year to be in Stockholm.
Average high
17°C / 63°F
Average low
10°C / 50°F
Rain days
~7
Precipitation
43 mm
What to pack for Stockholm in September
- Layers — t-shirts under a light jacket or sweater
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Stockholm: Jun (22°C / 72°F) · Coolest: Dec (1°C / 34°F) · Wettest: Jul (~14 rain days)
2°
-3°
Jan
2°
-3°
Feb
6°
-2°
Mar
9°
0°
Apr
16°
5°
May
22°
12°
Jun
22°
13°
Jul
21°
13°
Aug
17°
10°
Sep
11°
6°
Oct
6°
1°
Nov
1°
-3°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)