Weather in Zadar in September 2025
Average weather
Average temperature in Zadar in September
Going from a maximum of +29°C during the day to a minimum of +18°C during the night, the temperature in September averages around +26°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +25°C to +25°C.
Is Zadar warm or cold in September?
Zadar is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +24°C. The minimum temperature also goes down from +21°C to +17°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Zadar:
Water temperature in Zadar in September
Water in Zadar in September is Comfortable. It varies from +21°C to +27°C, with an average of +24°C. This is almost similar to the air temperature, which averages +24°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Zadar in September?
Climate in Zadar in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +24°C | +20°C | ||||
| Min. temperature | ||||||
| +12°C | +9°C | +2°C | ||||
| Max. temperature | ||||||
| +37°C | +34°C | +28°C | ||||
| Rainfall | ||||||
| 51 mm | 94 mm | 110 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +24°C | +20°C | ||||
| Humidity | ||||||
| 65% | 70% | 74% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 20 | 15 | 12 | ||||
| Cloudy days | ||||||
| 3 | 5 | 6 | ||||
| Rainy days | ||||||
| 4 | 6 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 51 mm to 94 mm. Humidity rises from 65% to 70%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 20 sunny days in August to 15 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Zadar is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Zadar?
Climate Change over Years
The climate in Zadar in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+16°C) and the highest in 2018 (+21°C). The driest year was 2011 with only 543 mm of rainfall, and the wettest year was 1980 with 1359 mm.
FAQ
Is September a good time to visit Zadar?
Can you sunbathe in Zadar in September?
Can you swim in Zadar in September?
Is Zadar rainy in September?
Is it sunny in Zadar in September?
Other cities in Croatia
Monthly weather in Zadar
Source of the data
For this page, we’ve looked at the typical weather in Zadar, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.