September weather forecastKřtomil, Czech Republic
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Křtomil, Czech Republic, with an average temperature ranging between min 9.5°C (49.1°F) and max 19.3°C (66.7°F).Temperature
September's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 25°C (77°F) in August to a refreshing 19.3°C (66.7°F). Křtomil encounters an average low-temperature of 9.5°C (49.1°F) during September nights.Humidity
The average relative humidity in September is 74%.Rainfall
In Křtomil, during September, the rain falls for 9.3 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 132.4 rainfall days, and 365mm (14.37") of precipitation is accumulated.Snowfall
In Křtomil, snow does not fall in June through September.Daylight
In Křtomil, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 06:06 and sunset at 19:32. On the last day of the month, sunrise is at 06:48 and sunset at 18:30 CEST.
Sunshine
In Křtomil, the average sunshine in September is 9.1h.UV index
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 the ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Křtomil, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in September
Křtomil, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1014.9mbar).
Average wind speed in September
Křtomil, Czech Republic
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is March (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Křtomil, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Křtomil, Czech Republic
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Křtomil, Czech Republic
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in September
Křtomil, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (129mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Křtomil, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Křtomil, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Křtomil, Czech Republic
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Křtomil, 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, November and December (UV index 2).
Average cloud cover in September
Křtomil, Czech Republic
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Křtomil, Czech Republic
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





