September weather forecastGrunta, Czech Republic
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Grunta, Czech Republic, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 9.8°C (49.6°F).Temperature
Grunta, Czech Republic, in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 24.6°C (76.3°F) to a refreshing 19.3°C (66.7°F). An average nighttime temperature of 9.8°C (49.6°F) is witnessed throughout September.Humidity
In Grunta, the average relative humidity in September is 74%.Rainfall
In Grunta, Czech Republic, during September, the rain falls for 10.9 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Grunta, there are 132.2 rainfall days, and 374mm (14.72") of precipitation is accumulated.Snowfall
In Grunta, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:14 and sunset at 19:42. On the last day of the month, sunrise is at 06:58 and sunset at 18:39 CEST.
Sunshine
In Grunta, the average sunshine in September is 9.2h.UV index
In Grunta, 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 exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grunta, Czech Republic
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Grunta, Czech Republic
- Average pressure in September: 1018mbar
The months with the highest atmospheric pressure are October and December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.1mbar).
Average wind speed in September
Grunta, Czech Republic
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Grunta, Czech Republic
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Grunta, Czech Republic
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Grunta, Czech Republic
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Grunta, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grunta, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grunta, 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 12min).
- 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 12min).
Average sunshine days in September
Grunta, Czech Republic
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in September
Grunta, 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, March, October, November and December (UV index 2).
Average cloud cover in September
Grunta, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Grunta, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
