September weather forecastSofia, Bulgaria
September
Weather in September
As September arrives in Sofia, the climate begins to tune down from the summer highs. The temperatures settle to a more manageable upper limit of 22.9°C (73.2°F), indicating the onset of autumn. The leaves start to turn golden, adding to the city's scenic beauty. The daylight span shortens a bit, providing a nostalgic hint of the approaching winter. The frequency and volume of rain precipitate a slight decrease, making the month relatively dry.Temperature
September signifies a gentle decline in Sofia's average high-temperature, easing from a warm 27.5°C (81.5°F) in August to an agreeable 22.9°C (73.2°F). During September, Sofia witnesses a consistent average low-temperature of 11°C (51.8°F).Rainfall
In Sofia, Bulgaria, in September, during 7 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Sofia, Bulgaria, during the entire year, the rain falls for 125 days and collects up to 582mm (22.91") of precipitation.Snowfall
In Sofia, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 06:52 and sunset at 20:01. On the last day of September, in Sofia, sunrise is at 07:23 and sunset at 19:09 EEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In Sofia, Bulgaria, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 in September translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sofia, Bulgaria
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average rainfall in September
Sofia, Bulgaria
- Average rainfall in September: 45.7mm
The wettest month (with the highest rainfall) is June (75.4mm).
The driest month (with the least rainfall) is February (31.5mm).
Average rainfall days in September
Sofia, Bulgaria
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is September (7 days).
Average snowfall in September
Sofia, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is December (248mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sofia, Bulgaria
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (7.2 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
Sofia, 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: 7h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average UV index in September
Sofia, Bulgaria
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 9).
The months with the lowest UV index are January and December (UV index 1).
