September weather forecastOpočnice, Czech Republic
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Opočnice, Czech Republic, with an average temperature varying between 19°C (66.2°F) and 10°C (50°F).Temperature
Opočnice observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 24.3°C (75.7°F) to a refreshing 19°C (66.2°F). Throughout September, an average low-temperature of 10°C (50°F) is expected.Humidity
The average relative humidity in September is 75%.Rainfall
In September, in Opočnice, the rain falls for 12.9 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 161.2 rainfall days, and 462mm (18.19") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Opočnice, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:14 and sunset at 19:43. On the last day of September, sunrise is at 06:58 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Opočnice, Czech Republic
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Opočnice, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Opočnice, Czech Republic
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is March (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Opočnice, Czech Republic
- Average humidity in September: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Opočnice, Czech Republic
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is November (22mm).
Average rainfall days in September
Opočnice, Czech Republic
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Opočnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Opočnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Opočnice, 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 6min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Opočnice, Czech Republic
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Opočnice, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Opočnice, Czech Republic
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Opočnice, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
