Norway (Tromsø) · September
Best travel monthTravel seasonNorway · 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° (30°)-9– (16–)5 (41) | -1° (30°)-7– (19–)6 (43) | 1° (34°)-5– (23–)5 (41) | 4° (39°)-1– (30–)10 (50) | 9° (48°)2– (36–)17 (63) | 13° (55°)6– (43–)21 (70) | 16° (61°)9– (48–)25 (77) | 15° (59°)9– (48–)22 (72) | 12° (54°)6– (43–)18 (64) | 6° (43°)0– (32–)11 (52) | 3° (37°)-3– (27–)8 (46) | 1° (34°)-6– (21–)6 (43) |
Ø night, range from coldest to warmest nightØ nightrange | -4° (25°)-12– (10–)2 (36) | -5° (23°)-12– (10–)3 (37) | -4° (25°)-11– (12–)2 (36) | -1° (30°)-8– (18–)4 (39) | 3° (37°)-2– (28–)8 (46) | 7° (45°)2– (36–)12 (54) | 10° (50°)5– (41–)14 (57) | 9° (48°)4– (39–)14 (57) | 6° (43°)0– (32–)11 (52) | 2° (36°)-4– (25–)9 (48) | -1° (30°)-7– (19–)4 (39) | -3° (27°)-10– (14–)2 (36) |
☀️Sunshine | 1h UV 0 | 3h UV 1 | 6h UV 2 | 9h UV 4 | 9h UV 5 | 8h UV 4 | 8h UV 4 | 5h UV 3 | 4h UV 2 | 3h UV 1 | 2h UV 0 | 0h UV 0 |
🌊Water Temp | 4° (39°) | 3° (37°) | 3° (37°) | 5° (41°) | 7° (45°) | 10° (50°) | 12° (54°) | 12° (54°) | 10° (50°) | 8° (46°) | 6° (43°) | 5° (41°) |
🌧Rain Days | 11d123mm (4.8") | 10d90mm (3.5") | 13d104mm (4.1") | 10d78mm (3.1") | 8d59mm (2.3") | 8d61mm (2.4") | 8d70mm (2.7") | 10d80mm (3.1") | 11d95mm (3.8") | 13d118mm (4.7") | 11d119mm (4.7") | 12d131mm (5.2") |
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 Norway (Tromsø) — conditions are stable, temperatures reach 12°C (54°F), and outdoor activities are excellent.
Temperatures reach a maximum of 12°C (54°F) during the day and drop to 6°C (43°F) at night — warm layers recommended. Peaks reach around 18°C (64°F), the coldest nights around 0°C (32°F). With 4 sunshine hours per day and 11 rain days (95 mm (3.7 in)), this is one of the cloudier months. At 10°C (50°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.
Summer ebbs away: the nights grow dark again, autumn turns the birches yellow and the first northern lights appear towards the end of the period. It is the quieter time with moderate prices before the winter season starts.
Packing list for Norway (Tromsø) in September
- Warm jacket
- Jumpers and warm layers
- Long trousers
- Warm shoes
- Light umbrella or rain poncho
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Norway (Tromsø)?
- Yes — September is one of the best months to visit Norway (Tromsø) (Climate Score: 32/100). Pleasant temperatures (12°C (54°F)), good sunshine (4 h/day), and few rain days (11) make it one of the most recommended months.
- How warm is it in Norway (Tromsø) in September?
- In September, Norway (Tromsø) sees daily highs of 12°C (54°F). Nights cool to 6°C (43°F), with a daily average of 9°C (48°F). Peaks reach around 18°C (64°F), the coldest nights around 0°C (32°F).
- How much rain falls in Norway (Tromsø) in September?
- In September, Norway (Tromsø) receives an average of 95 mm (3.7 in) of rain over 11 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Norway (Tromsø) get in September?
- Norway (Tromsø) averages 4 sunshine hours per day in September — below the annual average.
- How warm is the water in Norway (Tromsø) in September?
- Water temperature in Norway (Tromsø) in September averages 10°C (50°F) — still quite cool — a wetsuit may be useful.
