Trsteno Weather in September

September in Trsteno brings high temperatures, with highs of 25°C (77°F) and nights dropping to 17°C (63°F). Rainfall is on the higher side this month, averaging around 141 mm (5.6 in), so keep a rain jacket handy.

Rainfall in Trsteno in September

Records from the past 30 years suggest around 9 days of rain, with 141 mm (5.6 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Trsteno in September

Temperatures in Trsteno in September top out at 25°C (77°F) and drop to 17°C (63°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°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 Trsteno in September

With approximately 310 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in September

The water is 24°C (75°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Trsteno.

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

Trsteno Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 29%  

Precipitation 141 mm (5.6 in)  

Rainy days 9 days  

Humidity 59% *  

Sunshine 310 hours *  

Percentage Sunshine 70% *  

* Data from: Dubrovnik, Croatia (13 KM, 8 Miles).

What to Wear in Trsteno in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Trsteno in September

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

Swimming

9/10

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 Trsteno's climate page.

More climate data for Trsteno

Temperature Rainfall Sunshine Humidity Water Temp

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