September weather forecastRuen, Bulgaria
September
Weather in September
September, the first month of the autumn in Ruen, is still a warm month, with an average temperature fluctuating between 23.5°C (74.3°F) and 17.2°C (63°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's moderately hot 27.8°C (82°F) to a still warm 23.5°C (74.3°F). An average nighttime temperature of 17.2°C (63°F) is recorded during September.Humidity
The average relative humidity in September in Ruen is 67%.Rainfall
In Ruen, in September, it is raining for 9.5 days, with typically 27mm (1.06") of accumulated precipitation. In Ruen, during the entire year, the rain falls for 130.9 days and collects up to 355mm (13.98") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Ruen, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:36 and sunset at 19:45. On the last day of September, in Ruen, sunrise is at 07:07 and sunset at 18:53 EEST.
Sunshine
In September, the average sunshine in Ruen, Bulgaria, is 10.4h.UV index
The average daily maximum UV index in September in Ruen is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Make use of precautions - It is urged to ward off sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ruen, Bulgaria
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Ruen, Bulgaria
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in September
Ruen, Bulgaria
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.6km/h).
Average humidity in September
Ruen, Bulgaria
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Ruen, Bulgaria
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Ruen, Bulgaria
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in September
Ruen, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ruen, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ruen, Bulgaria
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Ruen, Bulgaria
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Ruen, Bulgaria
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ruen, Bulgaria
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Ruen, Bulgaria
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
