Rovaniemi, Lapland weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Poor
Best time to visit: June – August
What is the weather like in Rovaniemi, Lapland in September?
In September, Rovaniemi, Lapland is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 59 mm in total. All in all, September is not an ideal month for a holiday in Rovaniemi, Lapland.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 72 | 39 | 16 |
| Day | 17° | 12° | 4° |
| Night | 11° | 6° | 0° |
| Sun | 6 h | 4 h | 2 h |
| Rain days | 12 | 11 | 11 |
More details for September
- Daylight
- 13 h 19 min06:33 – 19:52
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 76 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+3Europe/Helsinki
How the score comes together
- Temperatureweight 50 %40 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 30 %52 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in September
- A jumper for the evenings
- Rain jacket or umbrella
Rovaniemi, Lapland in September: quick answers
Is Rovaniemi, Lapland hot in September?
No. In September, Rovaniemi, Lapland is cool: daytime highs average 12 °C and nights drop to about 6 °C.
Does it rain much in Rovaniemi, Lapland in September?
Rain is frequent, with about 11 rainy days and 59 mm in total.
Rovaniemi, Lapland month by month
The whole year in Rovaniemi, LaplandAll destinations: FinlandWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)