Risør Weather in September

September in Risør sees daytime temperatures around 17°C (63°F) and lows of 11°C (52°F) at night. With around 118 mm (4.6 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Risør in September

You can typically expect 16 days of rain this month, averaging around 118 mm (4.6 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Risør in September

In September, Risør sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you prefer enjoying temperate temperatures and rain-free days, July typically offers 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.