September weather forecastApriltsi, Bulgaria
September
Weather in September
The first month of the autumn, September, is still a warm month in Apriltsi, Bulgaria, with an average temperature varying between 23.4°C (74.1°F) and 11.7°C (53.1°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from a warm 28.1°C (82.6°F) in August to a still moderately hot 23.4°C (74.1°F). An average nighttime temperature of 11.7°C (53.1°F) is observed in Apriltsi during September.Humidity
The average relative humidity in September is 62%.Rainfall
September is the month with the least rainfall. Rain falls for 8.8 days and accumulates 24mm (0.94") of precipitation.Snowfall
Months with snowfall in Apriltsi are January through May, September through December. September is the first month it typically snows in Apriltsi. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 34.2 snowfall days, and 876mm (34.49") of snow is accumulated.Daylight
The average length of the day in September in Apriltsi is 12h and 29min.On the first day of September in Apriltsi, sunrise is at 06:45 and sunset at 19:54. On the last day of the month, sunrise is at 07:16 and sunset at 19:03 EEST.
Sunshine
In Apriltsi, Bulgaria, the average sunshine in September is 10h.UV index
In Apriltsi, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in September transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Apriltsi, Bulgaria
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Apriltsi, Bulgaria
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Apriltsi, Bulgaria
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Apriltsi, Bulgaria
- Average humidity in September: 62%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Apriltsi, Bulgaria
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (91mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Apriltsi, Bulgaria
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Apriltsi, Bulgaria
- Average snowfall in September: 1mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Apriltsi, Bulgaria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Apriltsi, 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 0min
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 42min).
Average sunshine days in September
Apriltsi, Bulgaria
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Apriltsi, 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
Apriltsi, Bulgaria
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Apriltsi, 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).





