Weather in Brac in September 2025
Average weather
Average temperature in Brac in September
Going from a maximum of +23°C during the day to a minimum of +15°C during the night, the temperature in September averages around +21°C.
The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +21°C to +20°C.
Is Brac warm or cold in September?
Brac is typically mild in September.
Maximum temperatures go down compared to the previous month from +25°C to +21°C. The minimum temperature also goes down from +19°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Brac:
Water temperature in Brac in September
Water in Brac in September is Comfortable. It varies from +21°C to +27°C, with an average of +24°C. Note that the air temperature is lower than the water temperature, averaging around +21°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Brac in September?
Climate in Brac in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +21°C | +17°C | ||||
| Min. temperature | ||||||
| +11°C | +8°C | +2°C | ||||
| Max. temperature | ||||||
| +37°C | +32°C | +25°C | ||||
| Rainfall | ||||||
| 32 mm | 72 mm | 112 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +24°C | +20°C | ||||
| Humidity | ||||||
| 73% | 72% | 72% | ||||
| Air pressure | ||||||
| 1012 HPa | 1014 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 21 | 14 | 10 | ||||
| Cloudy days | ||||||
| 5 | 7 | 8 | ||||
| Rainy days | ||||||
| 5 | 8 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +25°C in the day, the average maximum temperature lowers to +21°C. Prepare for more rain. Average rainfall goes from 32 mm to 72 mm. It feels drier, as humidity decreases from 73% to 72%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 21 sunny days in August to 14 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 Brac is gradually increasing during September, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Brac?
Climate Change over Years
The climate in Brac in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+13°C) and the highest in 2018 (+18°C). The driest year was 1989 with only 642 mm of rainfall, and the wettest year was 2010 with 1433 mm.
FAQ
Is September a good time to visit Brac?
Can you sunbathe in Brac in September?
Can you swim in Brac in September?
Is Brac rainy in September?
Is it sunny in Brac in September?
Other cities in Croatia
Monthly weather in Brac
Source of the data
For this page, we’ve looked at the typical weather in Brac, 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.