Oslo weather in September 2020

  • 14°C maximum daytime temperature in September in Oslo14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in September in Oslo16
    16 days with some rainfall
  • 7°C minimum night-time temperature in September in Oslo7
    7°C min night temperature
  • 13 hours of daylight per day in September in Oslo13
    13 hours of daylight per day
  • No heat & humidity in September in Oslo0
    No heat & humidity
  • 94 mm monthly rainfall in September in Oslo94
    94 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Oslo3
    3 (Moderate) UV index
  • 14°C sea temperature in September in Oslo14
    14°C sea temperature
  • Top deals & discounts
  • Oslo weather overview
  • Oslo climate averages by month
  • More destinations
  • Best time to go to Oslo
  • Oslo 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for Oslo, Norway 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.

  • Save EXTRA £25 per booking on ALL holidays & tours
  • Discount available on all products - no minimum spend
  • Enter discount code at checkout. Excludes children
Show discount codeShow discount code ******T25

Expires at 23:59 on Saturday 29th Feb 2020 · View all Mercury Holidays offers

How warm is it in Oslo in September?

Daytime temperatures usually reach 14°C in Oslo in September, falling to 7°C at night.

How sunny is it in Oslo in September?

There are normally 5 hours of bright sunshine each day in Oslo in September - that's 36% of daylight hours.

How warm is the sea around Oslo in September?

The average sea temperature around Oslo in September is 14°C.

Does it rain in Oslo in September?

There are usually 16 days with some rain in Oslo in September and the average monthly rainfall is 94mm.

Oslo sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Oslo in September 2020. Select a month to view Oslo sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:13 20:19
Tuesday, 15th September 2020 06:46 19:37
Wednesday, 30th September 2020 07:21 18:52
  • Browse current deals & offers on tours to Norway
  • Filter deals by date, duration, tour type & difficulty
  • Prices shown with & without flights where available

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about Norway

Where's warm in Norway in September?

Below are average maximum temperatures at popular destinations in Norway in September. Select a destination to see more weather parameters.

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.