When to go · Oslo
Oslo in September
Good month. Crisp and bright.
Key facts
- Verdict
- Good
- Temperature
- 17°C (63°F)63°F (17°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- Norway overall
- Prices
- Medium
- Norway overall
Verdict
Crisp and bright.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than September?
September is rated good. These months rate higher:
Weather in September
- OsloHighs around 17 °C (63 °F), lows around 9 °C (48 °F), rain on about 11 daysHighs around 63 °F (17 °C), lows around 48 °F (9 °C), rain on about 11 days
- Oslo and the east, Norway · Oslo, Lillehammer, Røros, Jotunheimenfine
Continental: snowy winters of −5 to −10 °C (23 to 14 °F) inland, warm summers of 20–25 °C (68–77 °F). Ski season December–April.Continental: snowy winters of 23 to 14 °F (−5 to −10 °C) inland, warm summers of 68–77 °F (20–25 °C). Ski season December–April.
Autumn season
Crisp days and colour in the parks.
Watch: Rain and early dark from October.
Crowds and prices
- Crowds · Norway overall
- Medium
- Prices · Norway overall
- Medium
Norway overall: Autumn colours, fewer crowds, first auroras in the north; fjord boats cut to winter timetables late in the month.
Compare two months
Weather, crowds and prices for any two months in Oslo, side by side.
Verdict
Sep: Good
May: Great (better)
Daytime high
Sep: 17 °C (63 °F)63 °F (17 °C)
May: 17 °C (63 °F)63 °F (17 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
May: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 11
May: 8 (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 2
September: Crisp and bright.
May: Mild and long light; May 17 is Constitution Day.
Oslo: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast