Weather in Split in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Split sees average highs of 26.7°C (80.1°F) and lows of 18.2°C. Conditions are warm and fairly wet (8 rainy days on average), with roughly 10.5 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Split — every month compared. Once you know when to go, find your Split packing list at 247PackingList.
Get ready for Split in September
Search flights to Split
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Split in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Split
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 11.4°C | 149.7mm | 9/10 |
| February | 12.9°C | 61.8mm | 10/10 |
| March | 14.3°C | 60.0mm | 10/10 |
| April | 17.0°C | 102.1mm | 9/10 |
| May | 22.8°C | 84.8mm | 10/10 |
| June | 27.8°C | 44.6mm | 10/10 |
| July | 31.7°C | 9.3mm | 10/10 |
| August | 30.9°C | 85.2mm | 10/10 |
| September | 26.7°C | 128.5mm | 9/10 |
| October | 21.6°C | 116.8mm | 9/10 |
| November | 16.6°C | 244.2mm | 8/10 |
| December | 13.2°C | 250.1mm | 8/10 |
Full month-by-month guide: best time to visit Split →
For facts about Croatia — currency, language and dialling code — see our Croatia country guide at 247CountryInfo. Travellers also find it useful to keep a Split travel guide to hand. Check clothing sizes in Croatia before you shop.
Frequently Asked Questions
Is September a good time to visit Split?
September rates 9/10 for visiting Split — excellent time to visit. Expect average highs of 26.7°C, 128.5mm of rain across the month and about 10.5 hours of daily sunshine.
What is the temperature in Split in September?
In September, Split has average highs of 26.7°C (80.1°F) and average lows of 18.2°C (64.8°F).
Does it rain in Split in September?
Some rain is likely. Split averages 128.5mm across about 8 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Split in September?
For Split in September (26.7°C highs / 18.2°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Split in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.