Karlovac Weather in September

September in Karlovac averages 23°C (73°F) during the day and 12°C (54°F) at night. It is the wettest month of the year, with 109 mm (4.3 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Karlovac in September

This month sees the most rain, so carrying an umbrella will ensure you stay dry. Historically, September sees about 12 days of rain, with a monthly average of 109 mm (4.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Karlovac in September

Karlovac in September gets highs of 23°C (73°F) during the day and drops to 12°C (54°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Karlovac in September

The city usually sees around 190 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer dry days with pleasant temperatures, June, 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.