Weather in Lillestrøm in September
Lillestrøm, Norway averages a high of 15.1°C (59.2°F) and low of 8.7°C (47.7°F) in September, with 10 rain days and 7.5 hours of daily sunshine. Travel score: 64.5/100 (Good). The best time to visit Lillestrøm is July.
High
15°C59°F
Low
9°C48°F
🌧️
10
rain days
☀️
7.5
hrs/day sunshine
💧
81%
humidity
65— Good
September in Lillestrøm is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Lillestrøm?
How much does it rain in Lillestrøm in September?
Lillestrøm receives an average of 80.8mm of rainfall across 10 rainy days in September. The annual total is 885.1mm.
What should I pack for Lillestrøm in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 15°C
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Norway in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31