September weather forecastBiertan, Romania
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Biertan, Romania, with an average temperature fluctuating between 10.1°C (50.2°F) and 22.4°C (72.3°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a moderately hot 27.7°C (81.9°F) in August to a pleasant 22.4°C (72.3°F). Biertan observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 10.1°C (50.2°F).Humidity
In September, the average relative humidity in Biertan is 63%.Rainfall
The month with the least rainfall is September, when the rain falls for 8 days and typically collects 17mm (0.67") of precipitation.Snowfall
In Biertan, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:43 and sunset at 20:00. On the last day of September, in Biertan, sunrise is at 07:19 and sunset at 19:03 EEST.
Sunshine
The average sunshine in September in Biertan is 9.9h.UV index
In September, the average daily maximum UV index in Biertan is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Biertan, Romania
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in September
Biertan, Romania
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed in September
Biertan, Romania
- Average wind speed in September: 7.4km/h
The windiest months (with the highest average wind speed) are March and April (8.8km/h).
The calmest months (with the lowest average wind speed) are January and August (6.4km/h).
Average humidity in September
Biertan, Romania
- Average humidity in September: 63%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Biertan, Romania
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is June (73mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in September
Biertan, Romania
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Biertan, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is December (107mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Biertan, Romania
- 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Biertan, Romania
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Biertan, Romania
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Biertan, Romania
- 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
Biertan, Romania
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Biertan, Romania
- Average visibility in September: 10km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February and December (8km).
