Kupjak Weather in September

September in Kupjak sees daytime temperatures around 21°C (70°F) and lows of 11°C (52°F) at night. With around 149 mm (5.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Kupjak in September

Typically, about 13 days will experience rainfall, with an average of 149 mm (5.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Kupjak in September

In September, Kupjak sees pleasant temperatures, with highs of 21°C (70°F). Nights drop to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 11°C (52°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 Kupjak in September

With approximately 202 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Kupjak.

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

Kupjak Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 45%  

Precipitation 149 mm (5.9 in)  

Rainy days 13 days  

Humidity 64% *  

Sunshine 202 hours *  

Percentage Sunshine 57% *  

* Data from: Rijeka, Croatia (37 KM, 23 Miles).

What to Wear in Kupjak in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Kupjak in September

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

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 Kupjak's climate page.

More climate data for Kupjak

Temperature Rainfall Sunshine Humidity

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