Temperature
Cool by day, cold at night.
Cool days average highs in the low 60s, with cold nights in the mid-40s. Daytime temperatures fall toward the end of September.

Cool by day, cold at night.
Several rainy days, mostly brief and on-and-off. About 9 wet days this month.
A mix of sunshine and cloud.
In September, afternoons feel about 56° and nights feel near 44°.
Mostly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 60°F, easing to about 55°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 23 | 1.5 | 9 | 1.3 | 88 |
| Feb | 33 | 22 | 1.2 | 8 | 2.5 | 85 |
| Mar | 40 | 26 | 1.1 | 7 | 4.4 | 77 |
| Apr | 50 | 32 | 1.2 | 8 | 6.2 | 69 |
| May | 60 | 41 | 1.9 | 10 | 8.9 | 67 |
| Jun | 67 | 49 | 2.7 | 11 | 9.7 | 69 |
| Jul | 72 | 54 | 3.0 | 12 | 8.4 | 73 |
| Aug | 70 | 53 | 2.8 | 12 | 7.1 | 77 |
| Sep | 61 | 46 | 1.9 | 9 | 5.1 | 81 |
| Oct | 50 | 38 | 2.0 | 9 | 3.2 | 86 |
| Nov | 40 | 33 | 1.7 | 10 | 1.8 | 90 |
| Dec | 34 | 26 | 1.7 | 11 | 1.1 | 90 |
Similar climates
Want a side-by-side climate view? Compare Stockholm with Amsterdam.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology