September weather forecastSlepčany, Slovakia
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Slepčany, Slovakia, with an average temperature fluctuating between 21.3°C (70.3°F) and 11.5°C (52.7°F).Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 27.4°C (81.3°F) to an agreeable 21.3°C (70.3°F). Slepčany throughout September, records an average low-temperature of 11.5°C (52.7°F).Humidity
The average relative humidity in September in Slepčany, Slovakia, is 68%.Rainfall
In Slepčany, during September, the rain falls for 10.5 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, there are 139.5 rainfall days, and 419mm (16.5") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:04 and sunset at 19:28. On the last day of September, sunrise is at 06:45 and sunset at 18:27 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slepčany, Slovakia
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Slepčany, Slovakia
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1014.5mbar).
Average wind speed in September
Slepčany, Slovakia
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Slepčany, 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 (61%).
Average rainfall in September
Slepčany, Slovakia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Slepčany, Slovakia
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is August (9.3 days).
Average snowfall in September
Slepčany, Slovakia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Slepčany, Slovakia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 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
Slepčany, 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 18min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Slepčany, Slovakia
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Slepčany, Slovakia
- 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
Slepčany, Slovakia
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Slepčany, Slovakia
- Average visibility in September: 9km
The months with the highest visibility are April, July and August (10km).
The months with the lowest visibility are January, February and December (8km).





