Sweden (Stockholm) · September
Best travel monthTravel seasonSweden · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 1° (34°)-6– (21–)7 (45) | 2° (36°)-4– (25–)7 (45) | 5° (41°)-2– (28–)13 (55) | 11° (52°)3– (37–)18 (64) | 17° (63°)8– (46–)24 (75) | 21° (70°)13– (55–)28 (82) | 23° (73°)17– (63–)29 (84) | 22° (72°)15– (59–)27 (81) | 17° (63°)11– (52–)23 (73) | 11° (52°)4– (39–)16 (61) | 6° (43°)-1– (30–)12 (54) | 3° (37°)-3– (27–)8 (46) |
Ø night, range from coldest to warmest nightØ nightrange | -3° (27°)-12– (10–)3 (37) | -3° (27°)-12– (10–)3 (37) | -2° (28°)-10– (14–)5 (41) | 2° (36°)-4– (25–)7 (45) | 7° (45°)0– (32–)13 (55) | 12° (54°)5– (41–)17 (63) | 15° (59°)10– (50–)18 (64) | 14° (57°)8– (46–)18 (64) | 10° (50°)2– (36–)15 (59) | 6° (43°)-2– (28–)12 (54) | 2° (36°)-6– (21–)8 (46) | -1° (30°)-9– (16–)5 (41) |
☀️Sunshine | 1h UV 1 | 2h UV 2 | 5h UV 3 | 7h UV 5 | 9h UV 6 | 9h UV 7 | 9h UV 7 | 7h UV 6 | 5h UV 4 | 3h UV 2 | 1h UV 1 | 1h UV 0 |
🌊Water Temp | 1° (34°) | 1° (34°) | 1° (34°) | 5° (41°) | 10° (50°) | 15° (59°) | 19° (66°) | 20° (68°) | 16° (61°) | 11° (52°) | 6° (43°) | 3° (37°) |
🌧Rain Days | 6d39mm (1.5") | 4d26mm (1.0") | 4d25mm (1.0") | 4d22mm (0.9") | 5d36mm (1.4") | 6d50mm (2.0") | 6d53mm (2.1") | 8d78mm (3.1") | 6d51mm (2.0") | 6d54mm (2.1") | 7d49mm (1.9") | 7d43mm (1.7") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is one of the best travel months for Sweden (Stockholm) — conditions are stable, temperatures reach 17°C (63°F), and outdoor activities are excellent.
Daytime highs average 17°C (63°F), cooling to 10°C (50°F) at night (daily average: 14°C (57°F)). Peaks reach around 23°C (73°F), the coldest nights around 2°C (36°F). With 5 sunshine hours per day and 6 rain days (51 mm (2.0 in)), this is one of the cloudier months. At 16°C (61°F), the water is still quite cool in September — a wetsuit may be useful.
Layer up — warm days and cool evenings alternate. Perfect timing for hikes and sightseeing.
Autumn colours turn the parks yellow and red, and the air turns crisp. September stays pleasant at 17°C (63°F), after which the afternoons darken; the cafés fill with fika-goers. By November the sun shows for barely an hour a day.
Packing list for Sweden (Stockholm) in September
- Long-sleeved shirts and light trousers
- Light jacket
- Jumper or fleece
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Sweden (Stockholm)?
- Yes — September is one of the best months to visit Sweden (Stockholm) (Climate Score: 48/100). Pleasant temperatures (17°C (63°F)), good sunshine (5 h/day), and few rain days (6) make it one of the most recommended months.
- How warm is it in Sweden (Stockholm) in September?
- In September, Sweden (Stockholm) sees daily highs of 17°C (63°F). Nights cool to 10°C (50°F), with a daily average of 14°C (57°F). Peaks reach around 23°C (73°F), the coldest nights around 2°C (36°F).
- How much rain falls in Sweden (Stockholm) in September?
- In September, Sweden (Stockholm) receives an average of 51 mm (2.0 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Sweden (Stockholm) get in September?
- Sweden (Stockholm) averages 5 sunshine hours per day in September — close to the annual average.
- How warm is the water in Sweden (Stockholm) in September?
- Water temperature in Sweden (Stockholm) in September averages 16°C (61°F) — still quite cool — a wetsuit may be useful.
