September weather forecastBiely Kostol, Slovakia
September
Weather in September
September, the first month of the autumn in Biely Kostol, is also an agreeable month, with an average temperature varying between 11.7°C (53.1°F) and 21.2°C (70.2°F).Temperature
Setting in of September comes with a decrease in the average high-temperature, moving from a moderately hot 26.8°C (80.2°F) in August to an agreeable 21.2°C (70.2°F). During the month of September, an average temperature of 11.7°C (53.1°F) is noted during the nights.Humidity
The average relative humidity in September in Biely Kostol is 68%.Rainfall
In Biely Kostol, during September, the rain falls for 10.7 days and regularly aggregates up to 39mm (1.54") of precipitation. In Biely Kostol, during the entire year, the rain falls for 142.4 days and collects up to 421mm (16.57") of precipitation.Snowfall
In Biely Kostol, snow does not fall in April through September.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:08 and sunset at 19:31. On the last day of September, in Biely Kostol, sunrise is at 06:48 and sunset at 18:30 CEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biely Kostol, Slovakia
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Biely Kostol, Slovakia
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1014.7mbar).
Average wind speed in September
Biely Kostol, Slovakia
- Average wind speed in September: 10.6km/h
The windiest months (with the highest average wind speed) are February and March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Biely Kostol, Slovakia
- Average humidity in September: 68%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Biely Kostol, Slovakia
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Biely Kostol, Slovakia
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Biely Kostol, Slovakia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Biely Kostol, Slovakia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 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
Biely Kostol, Slovakia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Biely Kostol, Slovakia
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
Biely Kostol, Slovakia
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Biely Kostol, Slovakia
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Biely Kostol, Slovakia
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and December (8km).
