Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September coincides with a reduction in the average high-temperature, falling from a warm 29.1°C (84.4°F) in August to a still moderately hot 23.8°C (74.8°F). Throughout September, the average low-temperature records at a mild 13°C (55.4°F).Humidity
The average relative humidity in September is 58%.Rainfall
The months with the least rainfall in Kostentsi, Bulgaria, are August and September Rain falls for 8.8 days and accumulates 27mm (1.06") of rain.Snowfall
May through September are months without snowfall in Kostentsi.Daylight
In Kostentsi, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 06:52 and sunset at 20:02. On the last day of September, sunrise is at 07:24 and sunset at 19:10 EEST.
Sunshine
In Kostentsi, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index in Kostentsi is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Kostentsi in September?
What is the average humidity in September in Kostentsi?
What is the driest month in Kostentsi?
How many days does it rain in September in Kostentsi?
When it does not snow in Kostentsi?
Does it snow in Kostentsi in September?
How many hours of daylight does Kostentsi have in September?
What time are sunrise and sunset in September in Kostentsi?
How long on average sun shines in September in Kostentsi?
How high is the UV index in September in Kostentsi?
Average temperature in September
Kostentsi, Bulgaria
- Average high temperature in September: 23.8°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Kostentsi, Bulgaria
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1021mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.9mbar).
Average wind speed in September
Kostentsi, Bulgaria
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is November (7.4km/h).
Average humidity in September
Kostentsi, Bulgaria
- Average humidity in September: 58%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Kostentsi, Bulgaria
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (64mm).
The driest months (with the least rainfall) are August and September (27mm).
Average rainfall days in September
Kostentsi, Bulgaria
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is September (8.8 days).
Average snowfall in September
Kostentsi, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kostentsi, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 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
Kostentsi, Bulgaria
- Average daylight in September: 12h and 3min
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 0min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 30min).
Average sunshine days in September
Kostentsi, Bulgaria
- Average sunshine days in September: 19.4 days
The months with the most sunshine days are August and September (19.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in September
Kostentsi, 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
Kostentsi, Bulgaria
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Kostentsi, 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).
Kostentsi, Bulgaria
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