Stockholm · September
Run in the morning.
Cool month: average high 62°F, low 50°F. Humidity averages 81% — the limiting factor on most runs. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
62° / 50°F
Humidity
81%
Rain days
13/mo
Wind
11 mph
What September feels like in Stockholm
Sunrise
06:17
Mid-month average
Sunset
19:08
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Stockholm in September
The kit for September in Stockholm: a long-sleeve or light jacket for the first mile, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
-8° avg high
-4 rain days
Stockholm in August →
September
62°F avg high
13 rain days
Best: morning
vs October
+11° avg high
-2 rain days
Stockholm in October →
Frequently Asked Questions
What is the best time of day to run in Stockholm in September?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Stockholm in September?+
Average high 62°F, average low 50°F.
How does September compare to surrounding months in Stockholm?+
Compared to August (avg high 70°F), September is cooler. Compared to October (avg high 51°F), September is warmer.
Does it rain often in Stockholm in September?+
Expect about 13 measurable rain days in September, on average.