Rovaniemi Weather in September
In Rovaniemi, September brings moderate daytime temperatures around 13°C (55°F), with nights cooling to 5°C (41°F). Expect quite a bit of rainfall this month.
Rainfall in Rovaniemi in September
Typically around 18 days of rainfall are expected, averaging 63 mm (2.5 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Rovaniemi in September
September in Rovaniemi sees highs of 13°C (55°F) and lows of 5°C (41°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Rovaniemi in September
You can expect a moderate amount of sunlight, with approximately 112 hours. This means a pleasant mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Rovaniemi's climate page.
Rovaniemi Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
13°C (55°F)
Chance of Rain
58%
Precipitation
63 mm (2.5 in)
Rainy days
18 days
Sunshine
112 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rovaniemi typically drop from around 14°C (57°F) at the start of September to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Rovaniemi in September
Browse day-by-day weather records for Rovaniemi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rovaniemi historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Rovaniemi.
- The warmest day in September was on September 10, 2024, with a maximum of 24°C (75°F).
- The coldest September day was on September 25, 1986, with a maximum of 0°C (32°F).
- The lowest overnight temperature recorded in September was -7°C (19°F) (September 27, 1986).
- The wettest day in September Rovaniemi was on September 14, 2021 with 28 mm (1.1 in) of precipitation.
Best Places in Finland in September
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rovaniemi in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Rovaniemi in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Rovaniemi's climate page.
See the full Rovaniemi climate overview or explore weather in Finland.
