September weather forecastBostina, Bulgaria
September
Weather in September
September, the first month of the autumn in Bostina, is also an agreeable month, with an average temperature fluctuating between 9.8°C (49.6°F) and 21.3°C (70.3°F).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 25.5°C (77.9°F) in August to a pleasant 21.3°C (70.3°F). Nighttime temperature in Bostina lowers to an average of 9.8°C (49.6°F) in September.Humidity
In September, the average relative humidity in Bostina is 67%.Rainfall
September is the month with the least rainfall in Bostina, Bulgaria. Rain falls for 12.8 days and accumulates 43mm (1.69") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Bostina is 12h and 29min.On the first day of the month, sunrise is at 06:47 and sunset at 19:54. On the last day of September, sunrise is at 07:17 and sunset at 19:04 EEST.
Sunshine
In September, the average sunshine in Bostina is 9.8h.UV index
In Bostina, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in September translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bostina, Bulgaria
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in September
Bostina, Bulgaria
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is July (1012.9mbar).
Average wind speed in September
Bostina, Bulgaria
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (7.5km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).
Average humidity in September
Bostina, Bulgaria
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Bostina, Bulgaria
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is June (126mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Bostina, Bulgaria
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Bostina, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (409mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bostina, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bostina, Bulgaria
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Bostina, Bulgaria
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Bostina, Bulgaria
- 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, October, November and December (UV index 2).
Average cloud cover in September
Bostina, Bulgaria
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Bostina, Bulgaria
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
