September weather forecastStari Grad, Croatia
September weather for Stari Grad, Croatia: September, the first month of the autumn in Stari Grad, is still a warm month, with an average temperature fluctuating between 25°C (77°F) and 16°C (60.8°F). In Stari Grad, Croatia, during September, the rain falls for 9 days and regularly aggregates up to 67mm (2.64") of precipitation.
September
Weather in September
September, the first month of the autumn in Stari Grad, is still a warm month, with an average temperature fluctuating between 25°C (77°F) and 16°C (60.8°F).Temperature
As September arrives, Stari Grad's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 28°C (82.4°F) to a still warm 25°C (77°F). Throughout September, Stari Grad records an average temperature of 16°C (60.8°F) at night.Rainfall
In Stari Grad, Croatia, during September, the rain falls for 9 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 134 rainfall days, and 904mm (35.59") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 23°C (73.4°F).Note: Imagine a swim in 23°C (73.4°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 06:18 and sunset at 19:28. On the last day of the month, sunrise is at 06:50 and sunset at 18:36 CEST.
Sunshine
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 health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stari Grad, 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: 16°C
The month with the highest average low temperature is July (19°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average rainfall in September
Stari Grad, Croatia
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is July (36mm).
Average rainfall days in September
Stari Grad, 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 month with the least rainy days is July (8 days).
Average sea temperature in September
Stari Grad, Croatia
- Average sea temperature in September: 23°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (14°C).
Average daylight in September /
Average sunshine in September
Stari Grad, 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 months with the least sunshine are January, November and December (Average sunshine: 4h).
Average UV index in September
Stari Grad, 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).
