September weather forecastOstřešany, Czech Republic
September weather for Ostřešany, Czech Republic: The first month of the autumn, September, is still a comfortable month in Ostřešany, Czech Republic, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 19.3°C (66.7°F). The average sunshine duration in September in Ostřešany, Czech Republic, is 9.2h.
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Ostřešany, Czech Republic, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 19.3°C (66.7°F).Temperature
In Ostřešany, the beginning of September is marked by a lowered average high-temperature, shifting from August's warm 24.6°C (76.3°F) to a comfortable 19.3°C (66.7°F). Ostřešany's temperature drops to an average low of 9.8°C (49.6°F) during the nights of September.Humidity
In Ostřešany, the average relative humidity in September is 74%.Rainfall
In September, in Ostřešany, the rain falls for 10.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Ostřešany, there are 132.2 rainfall days, and 374mm (14.72") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ostřešany.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:12 and sunset at 19:40. On the last day of the month, sunrise is at 06:56 and sunset at 18:37 CEST.
Sunshine
The average sunshine in September in Ostřešany is 9.2h.UV index
In Ostřešany, Czech Republic, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostřešany, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Ostřešany, Czech Republic
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.1mbar).
Average wind speed in September
Ostřešany, Czech Republic
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Ostřešany, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Ostřešany, Czech Republic
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Ostřešany, Czech Republic
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Ostřešany, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ostřešany, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ostřešany, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Ostřešany, Czech Republic
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Ostřešany, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Ostřešany, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Ostřešany, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
