Mild
Average highs are around 23°C, so days are mild rather than hot.
September verdict
Croatia in September
Weather score55Good
Good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 98mm, so some wet days are possible.
September weather
Monthly averages
Temp
23°C
Rain
98mm
Sun
7h
Sea
17°C
Weather score
55
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 98mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Croatia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September23°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September98mm average rain
September sits near Croatia's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7 hours average sun
September sits close to Croatia's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September17°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
September55 weather score
September sits close to Croatia's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
