Rupa Weather in September

September in Rupa sees daytime temperatures around 21°C (70°F) and lows of 12°C (54°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Rupa in September

As part of the rainy season, Rupa sees around 13 days of rain in September, with an average of 206 mm (8.1 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Rupa in September

In September, expect pleasant temperatures in Rupa, with highs of 21°C (70°F) and lows of 12°C (54°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Rupa in September

Expect a lot of sunshine this month, with about 202 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

Average water temperature in September

At 24°C (75°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

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

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

Rupa Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 21°C (70°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 43%  

Precipitation 206 mm (8.1 in)  

Rainy days 13 days  

Humidity 64% *  

Sunshine 202 hours *  

Percentage Sunshine 57% *  

* Data from: Rijeka, Croatia (17 KM, 11 Miles).

What to Wear in Rupa 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Rupa in September

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

Swimming

7/10

Camping

6/10

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 Rupa's climate page.

More climate data for Rupa

Temperature Rainfall Sunshine Humidity Water Temp

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