September weather forecastAš, Czech Republic
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Aš, Czech Republic, with an average temperature ranging between max 17.4°C (63.3°F) and min 8.6°C (47.5°F).Temperature
September ushers in a slight temperature change, with average high-temperatures reducing from August's agreeable 22.5°C (72.5°F) to a comfortable 17.4°C (63.3°F). In Aš, September's nights observe an average temperature dip to a frosty 8.6°C (47.5°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Aš, in September, during 14.7 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Aš, Czech Republic, during the entire year, the rain falls for 171.7 days and collects up to 593mm (23.35") of precipitation.Snowfall
In Aš, snow does not fall in June through September.Daylight
In Aš, Czech Republic, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:26 and sunset at 19:55. On the last day of September, in Aš, sunrise is at 07:10 and sunset at 18:51 CEST.
Sunshine
The average sunshine in September in Aš is 8.3h.UV index
In Aš, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aš, Czech Republic
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Aš, Czech Republic
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Aš, Czech Republic
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Aš, Czech Republic
- Average humidity in September: 80%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Aš, Czech Republic
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Aš, Czech Republic
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Aš, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (198mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Aš, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aš, 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 6min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Aš, Czech Republic
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is October (14.3 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Aš, Czech Republic
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Aš, Czech Republic
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Aš, Czech Republic
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is January (6km).





