September weather forecastSlivek, Bulgaria
September
Weather in September
September, the first month of the autumn in Slivek, is still a warm month, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 23.5°C (74.3°F).Temperature
The move into September indicates a reduction in the average high-temperature, down from August's 28.5°C (83.3°F) to a still warm 23.5°C (74.3°F). During the month of September, an average low-temperature of 12.5°C (54.5°F) is recorded in Slivek, Bulgaria.Humidity
In Slivek, the average relative humidity in September is 61%.Rainfall
September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 31mm (1.22") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Slivek, the average length of the day in September is 12h and 30min.On the first day of September in Slivek, sunrise is at 06:45 and sunset at 19:55. On the last day of the month, sunrise is at 07:17 and sunset at 19:03 EEST.
Sunshine
The average sunshine in September is 9.7h.UV index
In Slivek, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slivek, Bulgaria
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Slivek, Bulgaria
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Slivek, Bulgaria
- Average wind speed in September: 8.3km/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 (7.7km/h).
Average humidity in September
Slivek, Bulgaria
- Average humidity in September: 61%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Slivek, Bulgaria
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (92mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Slivek, Bulgaria
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Slivek, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (181mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Slivek, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 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
Slivek, 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: 9h and 42min
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
Slivek, Bulgaria
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Slivek, 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
Slivek, 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
Slivek, 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).
