Month guide · Split · Croatia
Split in September
What September is really like in Split: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Dennis G. Jarvis, CC BY-SA 2.0
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Quick answer
September is one of the best months to visit Split. Expect average highs of 26°C (79°F), lows of 18°C (64°F), about 6 rainy days and roughly 12.4 hours of daylight. A warm sea, thinner crowds after the first week and island ferries still frequent.
Key facts
- Average high / low
- 26°C (79°F) / 18°C (64°F)
- Rainy days
- About 6
- Daylight
- About 12.4 hours
- Sea temperature
- 23°C (73°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in September
September is the 4th-warmest month in Split: days average 26°C (79°F) against a yearly average high of 20°C (68°F), and nights fall to about 18°C (64°F). Rain falls on roughly 6 of its 30 days. Compared with August (31°C (88°F)), September is cooler; by October highs drop to around 21°C (70°F).
- Sunrise (15 September)
- About 06:33
- Sunset (15 September)
- About 19:05
- Daylight
- About 12.4 hours
- Sea
- 23°C (73°F)
Autumn (September–November). A warm sea in September, smaller crowds and lower prices, turning rainy by November.
Crowds and prices
On a 1–5 scale, September rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: September is one of the pricier months.
Events in September
September has no major recurring festival in Split, which usually means easier bookings.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.
Castle · Klis
Klis Fortress
Take a local bus or taxi up and visit late in the afternoon, when the light over the coast is softest.
- Time needed
- 1.5 hours
- Cost
- Low cost
- Views
- History
- Kids
- Photo spot
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Historic site · Solin
Salona
In Solin, about 5 km northeast of Split, lie the ruins of Salona, capital of the Roman province of Dalmatia and the city near which Diocletian was probably born.
- Time needed
- 1.5–2 hours
- Cost
- Low cost
- History
- Off the beaten path
- Outdoors
Park · Varoš
Sustipan
Come at sunrise or sunset with a coffee from the Riva; it is rarely busy.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- Views
- Couples
- Off the beaten path
- Photo spot
Historic site · Old Town (Diocletian's Palace)
Diocletian's Palace
Built around 295–305 AD as the retirement residence of the Roman emperor Diocletian, the palace was later settled by refugees from nearby Salona, who built homes, churches and shops into its walls.
- Time needed
- Half a day
- Cost
- Free
- Iconic
- History
- Free
- Architecture
- After dark
- Photo spot
The sea averages 23°C (73°F) — warm enough to swim. Best beaches near Split.
What to pack
For highs near 26°C, lows near 18°C and 6 wet days: light layers for the day and a light jacket for the evening; comfortable walking shoes.
Is September a good time to visit Split?
One of the best months to visit Split. The other best months are May–June. Compare every month.
Split in other months
Questions travellers ask
+Is September a good time to visit Split?
It is one of the best months to visit Split. A warm sea, thinner crowds after the first week and island ferries still frequent.
+How warm is Split in September?
Average highs are around 26°C (79°F) and lows around 18°C (64°F).
+Does it rain a lot in Split in September?
Expect rain on about 6 days of the month.