September weather forecastKorčula, Croatia
September
Weather in September
There's a slight dip in temperatures during September yet the city continues to experience warm days with temperatures topping an average high of 25°C (77°F). After months of intense heat, a cooler breeze sets in, giving a welcoming twist to the weather. A gentle increase in rainfall does not deter the outdoor activities, largely due to the amount of available daylight and sunshine hours. UV index falls to 5, indicating reduced heat intensity. The combination of warm temperatures and extended daylight hours upholds September as a favorable month for tourists.Temperature
A subtle shift in Korčula's weather is observed as August turns into September, with the average high temperature reducing from 28°C (82.4°F) to a still warm 25°C (77°F). In the month of September, Korčula records a consistent average low-temperature of 15°C (59°F).Rainfall
In Korčula, Croatia, in September, it is raining for 9 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Korčula, there are 131 rainfall days, and 1036mm (40.79") of precipitation is accumulated.Sea temperature
In Korčula, the average seawater temperature in September is 24.3°C (75.7°F).Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 24.3°C (75.7°F) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 25°C (77°F) and 28°C (82.4°F).)
Daylight
The average length of the day in September in Korčula is 12h and 29min.On the first day of the month, sunrise is at 06:16 and sunset at 19:26. On the last day of September, sunrise is at 06:48 and sunset at 18:34 CEST.
Sunshine
In Korčula, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Korčula, Croatia
- Average high temperature in September: 25°C
The warmest months (with the highest average high temperature) are July and August (28°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 15°C
The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average rainfall in September
Korčula, Croatia
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is December (136mm).
The driest month (with the least rainfall) is July (37mm).
Average rainfall days in September
Korčula, Croatia
- Average rainfall days in September: 9 days
The months with the highest number of rainy days are January, November and December (13 days).
The months with the least rainy days are July and August (8 days).
Average sea temperature in September
Korčula, Croatia
- Average sea temperature in September: 24.3°C
The best month for swimming (with the highest average sea temperature) is August (25.1°C).
The coldest month (with the lowest average sea temperature) is January (14.1°C).
Average daylight in September /
Average sunshine in September
Korčula, Croatia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h
The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in September
Korčula, Croatia
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
