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Split in September
The weather in September
In September, Split averages daytime highs of 26° and night-time lows of 19° — warm weather by day. Expect around 88 mm of precipitation spread over about 9 wet days, with average cloud cover near 21%.
Days are 5.4° cooler than in August on average, and October is cooler again by about 5°. The sea averages 23°, pleasant for a swim.
September scores 77/100 — good conditions for sightseeing — and ranks 1st of the twelve months for Split.
Around the middle of the month the sun rises at 06:34 and sets at 19:07 local time, giving 12 h 33 min of daylight. Days shorten by 84 minutes over the month.
Why 77/100?
How the score for September is builtBeach score this month: 84/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Split this month
Croatia's best in September
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Đakovo
Split in September: quick answers
Is September a good time to visit Split?
September scores 77/100 for Split, which we rate as good. Average highs are 26°C with 9 wet days.
How warm is Split in September?
Daytime highs average 26°C and night-time lows 19°C in September.
Does it rain a lot in Split in September?
Split receives about 88 mm of precipitation in September, falling on around 9 days.
Can you swim in Split in September?
The sea averages 23°C in September, warm enough for most swimmers.