September weather forecastBorovan, Bulgaria
September
Weather in September
September, the first month of the autumn in Borovan, is also a moderately hot month, with an average temperature fluctuating between 23.2°C (73.8°F) and 11.9°C (53.4°F).Temperature
September implies a gentle temperature shift, with average high-temperatures reducing from August's warm 28.3°C (82.9°F) to a still moderately hot 23.2°C (73.8°F). In Borovan, September nights cool down to an average of 11.9°C (53.4°F).Humidity
The average relative humidity in September in Borovan is 60%.Rainfall
The month with the least rainfall in Borovan is September, when the rain falls for 9.1 days and typically collects 28mm (1.1") of precipitation.Snowfall
In Borovan, snow does not fall in May through September.Daylight
In September, the average length of the day in Borovan is 12h and 30min.On the first day of September in Borovan, Bulgaria, sunrise is at 06:49 and sunset at 20:00. On the last day of the month, sunrise is at 07:21 and sunset at 19:07 EEST.
Sunshine
The average sunshine in September in Borovan is 9.4h.UV index
In September, the average daily maximum UV index in Borovan is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Borovan, Bulgaria
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Borovan, Bulgaria
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.8mbar).
Average wind speed in September
Borovan, Bulgaria
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in September
Borovan, Bulgaria
- Average humidity in September: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Borovan, Bulgaria
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (90mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Borovan, Bulgaria
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Borovan, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Borovan, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 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
Borovan, Bulgaria
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Borovan, Bulgaria
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Borovan, Bulgaria
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Borovan, Bulgaria
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Borovan, Bulgaria
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).





