September weather forecastOstroměř, Czech Republic
September
Weather in September
September, the first month of the autumn in Ostroměř, is still a refreshing month, with an average temperature ranging between max 18.7°C (65.7°F) and min 9.8°C (49.6°F).Temperature
The average high-temperature decreases in September, shifting from a moderately hot 24°C (75.2°F) in August to an enjoyable 18.7°C (65.7°F). During the September nights, an average temperature of 9.8°C (49.6°F) is observed in Ostroměř.Humidity
In Ostroměř, the average relative humidity in September is 76%.Rainfall
In Ostroměř, during September, the rain falls for 9.4 days and regularly aggregates up to 15mm (0.59") of precipitation. In Ostroměř, during the entire year, the rain falls for 118.4 days and collects up to 200mm (7.87") of precipitation.Snowfall
In Ostroměř, snow does not fall in June through September.Daylight
In Ostroměř, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:13 and sunset at 19:42. On the last day of September, sunrise is at 06:57 and sunset at 18:38 CEST.
Sunshine
In Ostroměř, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ostroměř, Czech Republic
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Ostroměř, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Ostroměř, Czech Republic
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are February, March and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Ostroměř, 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
Ostroměř, Czech Republic
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is May (31mm).
The driest months (with the least rainfall) are March, October and November (11mm).
Average rainfall days in September
Ostroměř, Czech Republic
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Ostroměř, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ostroměř, 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
Ostroměř, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- 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 0min).
Average sunshine days in September
Ostroměř, Czech Republic
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Ostroměř, 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 January (UV index 1).
Average cloud cover in September
Ostroměř, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Ostroměř, 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 months with the lowest visibility are January, February and December (8km).
