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
September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 24.2°C (75.6°F) in August to a refreshing 19.6°C (67.3°F). In the month of September, the temperature generally rests at an average low of 7.8°C (46°F).Humidity
In Debren, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In Debren, Bulgaria, during the entire year, the rain falls for 158.7 days and collects up to 693mm (27.28") of precipitation.Snowfall
In Debren, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:51 and sunset at 19:57. On the last day of September, sunrise is at 07:20 and sunset at 19:08 EEST.
Sunshine
In Debren, Bulgaria, the average sunshine in September is 9.4h.UV index
In Debren, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Debren in September?
What is the average humidity in September in Debren?
How many days does it rain in September in Debren?
When it does not snow in Debren?
Does it snow in Debren in September?
What is the average length of the day in September in Debren?
When is the sunrise / sunset in September in Debren?
How long on average sun shines in September in Debren?
How high is the UV index in September in Debren?
Average temperature in September
Debren, Bulgaria
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in September
Debren, 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 (1013.7mbar).
Average wind speed in September
Debren, Bulgaria
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Debren, Bulgaria
- Average humidity in September: 69%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Debren, Bulgaria
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (93mm).
The driest months (with the least rainfall) are February and October (35mm).
Average rainfall days in September
Debren, Bulgaria
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Debren, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (172mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Debren, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 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
Debren, Bulgaria
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Debren, Bulgaria
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Debren, Bulgaria
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Debren, Bulgaria
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Debren, Bulgaria
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
