September weather forecastOtnice, Czech Republic
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Otnice, Czech Republic, with an average temperature fluctuating between 10.7°C (51.3°F) and 20.2°C (68.4°F).Temperature
In September, the average high-temperature decreases from a warm 26.1°C (79°F) in August to an agreeable 20.2°C (68.4°F). Otnice records an average low-temperature of 10.7°C (51.3°F) throughout the month of September.Humidity
The average relative humidity in September is 70%.Rainfall
In Otnice, during September, the rain falls for 8.3 days and regularly aggregates up to 18mm (0.71") of precipitation. In Otnice, during the entire year, the rain falls for 115.7 days and collects up to 251mm (9.88") of precipitation.Snowfall
In Otnice, snow does not fall in May through September.Daylight
In September, the average length of the day in Otnice is 12h and 35min.On the first day of the month, sunrise is at 06:09 and sunset at 19:35. On the last day of September, sunrise is at 06:51 and sunset at 18:33 CEST.
Sunshine
In Otnice, the average sunshine in September is 8.9h.UV index
In Otnice, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otnice, Czech Republic
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Otnice, Czech Republic
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).
Average wind speed in September
Otnice, Czech Republic
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Otnice, Czech Republic
- Average humidity in September: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Otnice, Czech Republic
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are February and April (13mm).
Average rainfall days in September
Otnice, Czech Republic
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Otnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Otnice, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Otnice, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Otnice, Czech Republic
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Otnice, Czech Republic
- Average UV index in September: 4
The month with the highest UV index is 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
Otnice, Czech Republic
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Otnice, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January and December (8km).





