September weather forecastČastá, Slovakia
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Častá, Slovakia, with an average temperature fluctuating between 11.7°C (53.1°F) and 21.2°C (70.2°F).Temperature
The start of September involves a temperature drop, moving from a warm 26.8°C (80.2°F) in August to a pleasant 21.2°C (70.2°F). During the month of September, the temperature generally drops to a low average of 11.7°C (53.1°F).Humidity
In Častá, the average relative humidity in September is 68%.Rainfall
In Častá, Slovakia, during September, the rain falls for 10.7 days and regularly aggregates up to 39mm (1.54") of precipitation. In Častá, during the entire year, the rain falls for 142.4 days and collects up to 421mm (16.57") of precipitation.Snowfall
April through September are months without snowfall in Častá.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Častá, sunrise is at 06:08 and sunset at 19:32. On the last day of the month, sunrise is at 06:49 and sunset at 18:31 CEST.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index in Častá, Slovakia, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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
Častá, 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).





