September weather forecastKostolac, Serbia
September weather for Kostolac, Serbia: The first month of the autumn, September, is still a warm month in Kostolac, Serbia, with an average temperature varying between 24.9°C (76.8°F) and 13°C (55.4°F). In Kostolac, in September, during 8.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated.
September
Weather in September
The first month of the autumn, September, is still a warm month in Kostolac, Serbia, with an average temperature varying between 24.9°C (76.8°F) and 13°C (55.4°F).Temperature
September's arrival correlates with a reduction in the average high-temperature, down from a tropical 30.8°C (87.4°F) in August to a moderately hot 24.9°C (76.8°F). Nighttime temperature experiences an average drop to a refreshing 13°C (55.4°F) in September.Humidity
In September, the average relative humidity in Kostolac is 60%.Rainfall
In Kostolac, in September, during 8.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Kostolac, there are 128.9 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 05:58 and sunset at 19:12. On the last day of September, sunrise is at 06:32 and sunset at 18:17 CEST.
Sunshine
In September, the average sunshine in Kostolac is 9.3h.UV index
The average daily maximum UV index in September in Kostolac is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kostolac, Serbia
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Kostolac, Serbia
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The months with the lowest atmospheric pressure are May and June (1014mbar).
Average wind speed in September
Kostolac, Serbia
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is July (8.2km/h).
Average humidity in September
Kostolac, Serbia
- Average humidity in September: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Kostolac, Serbia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (63mm).
The driest month (with the least rainfall) is August (23mm).
Average rainfall days in September
Kostolac, Serbia
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in September
Kostolac, Serbia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kostolac, Serbia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kostolac, Serbia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Kostolac, Serbia
- Average sunshine days in September: 20 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Kostolac, Serbia
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kostolac, Serbia
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Kostolac, Serbia
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January and February (8km).





