September weather forecastIstebné, Slovakia
September
Weather in September
September, the first month of the autumn in Istebné, is also an enjoyable month, with an average temperature ranging between min 7.1°C (44.8°F) and max 17.5°C (63.5°F).Temperature
The onset of September coincides with a reduction in the average high-temperature, falling from a moderately hot 23.3°C (73.9°F) in August to a comfortable 17.5°C (63.5°F). Throughout the month of September, Istebné observes an average nighttime temperature of 7.1°C (44.8°F).Humidity
The average relative humidity in September in Istebné is 78%.Rainfall
In Istebné, in September, it is raining for 13.5 days, with typically 44mm (1.73") of accumulated precipitation. In Istebné, during the entire year, the rain falls for 165.1 days and collects up to 650mm (25.59") of precipitation.Snowfall
June through September are months without snowfall in Istebné, Slovakia.Daylight
In Istebné, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:00 and sunset at 19:25. On the last day of September, in Istebné, sunrise is at 06:42 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine in Istebné is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Istebné, Slovakia
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-1.1°C).
- Average low temperature in September: 7.1°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is January (-6.8°C).
Average pressure in September
Istebné, Slovakia
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in September
Istebné, Slovakia
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in September
Istebné, Slovakia
- Average humidity in September: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Istebné, Slovakia
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is June (81mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Istebné, Slovakia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is June (20.5 days).
The months with the least rainy days are January and February (8.4 days).
Average snowfall in September
Istebné, Slovakia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (343mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Istebné, Slovakia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Istebné, Slovakia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Istebné, Slovakia
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is June (7.4 days).
Average UV index in September
Istebné, Slovakia
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Istebné, Slovakia
- Average cloud cover in September: 41
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Istebné, Slovakia
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The month with the lowest visibility is January (5km).





