- Save up to 25% on hotel stays when you book advance
- Radisson Rewards members get extra 10% off hotels
- Book hotels in Europe, Middle East, Africa, Asia & Pacific
Oulu weather in September 2025
Expect 12°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Oulu in September. Check more long-term weather averages for Oulu in September before you book your next holiday to Finland in 2025/2026.
- 1212°C max day temperature
- 4 hours of sunshine per day
- 1616 days with some rainfall
- 55°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 5353 mm of monthly rainfall
- 22 (Low) UV index
- 1111°C sea temperature
More about Oulu
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Oulu by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Finland
The September weather guide for Finland (Oulu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How warm is it in Oulu in September?
Daytime temperatures usually reach 12°C in Oulu in September, falling to 5°C at night.
How sunny is it in Oulu in September?
There are normally 4 hours of bright sunshine each day in Oulu in September - that's 31% of daylight hours.
Is the sea cold around Oulu in September?
The average sea temperature around Oulu in September is 11°C.
Does it rain in Oulu in September?
There are usually 16 days with some rain in Oulu in September and the average monthly rainfall is 53mm.
Oulu September sunrise & sunset times
Browse the sunrise and sunset times for Oulu in September 2025. Select a month to view Oulu sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 04:57 | 19:37 |
Monday, 15th September 2025 | 05:40 | 18:45 |
Tuesday, 30th September 2025 | 06:25 | 17:49 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport