Lillestrøm Weather in September

September in Lillestrøm typically sees daytime highs of 17°C (63°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Lillestrøm in September

Historically, the month has about 16 days of rain, averaging 87 mm (3.4 in) in total. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Lillestrøm in September

Lillestrøm in September gets highs of 17°C (63°F) during the day and drops to 8°C (46°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Lillestrøm in September

The area enjoys a moderate level of sunlight, with around 146 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, June and July typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.