The temperatures in Split in September are comfortable with low of 18°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Split during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Split in September 2025.
If you’re planning to visit Split in the near future, we highly recommend that you review the 14 day weather forecast for Split before you arrive.
Temperatures
25° / 18°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
93
mm
Sun Hours
11.6
Hrs
