Arendal Weather in September

September in Arendal brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 111 mm (4.4 in), so pack an umbrella.

Rainfall in Arendal in September

Expect around 16 days of rain based on historical data, with 111 mm (4.4 in) average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Arendal in September

Temperatures in Arendal in September top out at 17°C (63°F) and drop to 10°C (50°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Arendal in September

The month brings about 151 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, June and July typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.