Krk Weather in September
September in Krk sees daytime temperatures around 23°C (73°F) and lows of 16°C (61°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Krk in September
Krk is in the rainy season in September, with rain on around 12 days and an average of 170 mm (6.7 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Krk in September
September in Krk brings high temperatures, with highs of 23°C (73°F) and nights around 16°C (61°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 16°C (61°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 Krk in September
Expect sunny days throughout the month, with an estimated 214 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Krk's climate page.
Krk Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
23°C (73°F)
Chance of Rain
40%
Precipitation
170 mm (6.7 in)
Rainy days
12 days
Sunshine
214 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Krk typically drop from around 25°C (77°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Krk in September
Browse day-by-day weather records for Krk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Krk historical weather extremes in September
Based on 32 years of weather observations in Krk between 1993 and 2025, these are the recorded extremes.
- Krk recorded its highest September temperature of 33°C (91°F) on September 1, 2024.
- The lowest daytime temperature in September was 14°C (57°F), recorded on September 26, 2020.
- The coldest night in September in Krk was on September 17, 2008, with a minimum of 7°C (45°F).
Best Places in Croatia in September
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in September →
perfect weather
pleasant
tolerable
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What to Wear in Krk in September
For Krk 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Krk in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Krk's climate page.
See the full Krk climate overview or explore weather in Croatia.
