Svelvik Weather in September

September in Svelvik brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 100 mm (3.9 in), so pack an umbrella.

Rainfall in Svelvik in September

Typically, you can expect about 16 days of rain this month, with 100 mm (3.9 in) on average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Svelvik in September

If you're visiting Svelvik in September, expect highs of 17°C (63°F) and overnight lows around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Svelvik in September

The month brings about 149 hours of sunlight, offering a comfortable mix of sun and overcast.

For Svelvik itself, June generally stands out with 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.