Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 23.8°C (74.8°F) to a refreshing 18.5°C (65.3°F). The low-temperature average for Opočno during September stands at a frosty 9.5°C (49.1°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Opočno, in September, it is raining for 11.8 days, with typically 29mm (1.14") of accumulated precipitation. In Opočno, during the entire year, the rain falls for 152.4 days and collects up to 378mm (14.88") of precipitation.Snowfall
June through September are months without snowfall in Opočno.Daylight
In Opočno, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:10 and sunset at 19:39. On the last day of September, in Opočno, sunrise is at 06:54 and sunset at 18:35 CEST.
Sunshine
In Opočno, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Opočno is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are the temperatures in Opočno in September?
What is the average humidity in September in Opočno?
How much does it rain in Opočno in September?
When it does not snow in Opočno?
Does it snow in Opočno in September?
How many hours of daylight does Opočno have in September?
When is the sunrise / sunset in September in Opočno?
How many hours of sunshine does Opočno have in September?
How high is the UV index in September in Opočno?
Average temperature in September
Opočno, Czech Republic
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Opočno, Czech Republic
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Opočno, Czech Republic
- Average wind speed in September: 9.1km/h
The windiest months (with the highest average wind speed) are March and December (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Opočno, Czech Republic
- Average humidity in September: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Opočno, Czech Republic
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Opočno, Czech Republic
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Opočno, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Opočno, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Opočno, Czech Republic
- Average daylight in September: 12h and 4min
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 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Opočno, Czech Republic
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Opočno, Czech Republic
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Opočno, Czech Republic
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Opočno, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
Opočno, Czech Republic
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