Split in September
Warm sea, calmer streets
By Daan · Last reviewed October 2026
The short answer
September is the best month to visit Split.
September is the best balance: swimming weather and calmer streets.
September in detail
What September actually feels like
- Weather
- 18–25°C
- Warm and sunny with a warm sea.
- Crowds
- Moderate-High
- Popular sights fill up at peak hours, so book timed entries ahead.
- Prices
- €€€€
- Higher rates, especially for central and view rooms.
+Warm sea and fewer visitors.
–Still busy on cruise days.
My tip for September
Time palace visits for early morning.
- Swimming
- Island hopping
- Walking
How September compares
Against the other eleven months
1st of 12 overall in Split, 1st for weather, 8th for space, 9th for value. The emptiest month is January; the best value is January.
See all twelve months for SplitPlan around
What’s on in Split in September
- Cruise and day-trip crowds
- The palace and the Riva are busiest around midday.
May–October
Also good in September
Weather
Weather in Split in September
In September Split averages a high of 25°C (77°F) and a low of 18°C (64°F), with about 82 mm of rain or snow over 8 wet days. The warmest month is July (around 31°C) and the coolest is January (around 11°C); the wettest month is November.
- Average high
- 25°C
- 77°F
- Average low
- 18°C
- 64°F
- Precipitation
- 82 mm
- Wet days
- 8
Climate data: NCEI. Temperatures are averages of daily highs and lows.
Quick answers
Split in September: the questions people ask
- Is September a good time to visit Split?
- September is the best month to visit Split. It ranks 1 of 12 months in Split overall (1 for weather, 8 for space, 9 for value). The main upside: Warm sea and fewer visitors. The main downside: Still busy on cruise days.
- What is the weather like in Split in September?
- Average highs are around 25°C and lows around 18°C. Expect about 82 mm of rain or snow over roughly 8 wet days. Warm and sunny with a warm sea. For comparison, the warmest month is July (around 31°C) and the coolest is January (around 11°C).
- Is Split crowded in September?
- Crowds are moderate-high. Popular sights fill up at peak hours, so book timed entries ahead. The quietest month is January.
- How expensive is Split in September?
- Prices are at level 4 of 5 (€€€€). Higher rates, especially for central and view rooms. The best-value month is January.
- When is the best time to visit Split?
- In the CrowdFreeViews month scores, September is the best month overall (this month). The quietest month is January and the best value is January.