Magical Split
The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
September in Medulin sees daytime temperatures around 23°C (73°F) and lows of 19°C (66°F) at night. With around 139 mm (5.5 in) of rainfall expected, it's worth packing a rain jacket.
For Medulin itself, May, June, July and August generally stand out with 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.
Pick a month to see the average temperature, rainfall and sunshine in Medulin - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Medulin typically drop from around 26°C (79°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).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Medulin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Medulin from 1992 through 2025.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Water Temp
See the full Medulin climate overview or explore weather in Croatia.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Magical Split
The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
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