Kostanjevac Weather in September

September in Kostanjevac averages 23°C (73°F) during the day and 12°C (54°F) at night. It is the wettest month of the year, with 115 mm (4.5 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Kostanjevac in September

With frequent rain showers this month, having an umbrella on hand will keep you dry. Looking at the last 30 years, the data shows about 13 days with rain, averaging 115 mm (4.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Kostanjevac in September

If you're visiting Kostanjevac in September, expect highs of 23°C (73°F) and overnight lows around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Kostanjevac in September

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

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Croatia, check out our Kostanjevac's climate page.

Kostanjevac Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 42%  

Precipitation 115 mm (4.5 in)  

Rainy days 13 days  

Humidity 77% *  

Sunshine 190 hours *  

Percentage Sunshine 54% *  

* Data from: Zagreb, Croatia (40 KM, 25 Miles).

What to Wear in Kostanjevac in September

For Kostanjevac in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Kostanjevac in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Croatia, check out our Kostanjevac's climate page.

More climate data for Kostanjevac

Temperature Rainfall Sunshine Humidity

See the full Kostanjevac climate overview or explore weather in Croatia.