Slunj Weather in September

September in Slunj sees daytime temperatures around 23°C (73°F) and lows of 11°C (52°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Slunj in September

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Typically, about 13 days will experience rainfall, with an average of 131 mm (5.2 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Slunj in September

If you're visiting Slunj in September, expect highs of 23°C (73°F) and overnight lows around 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Slunj in September

Enjoy a sunny month with about 214 hours of sunshine, the clear skies make Slunj even more beautiful.

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