September weather forecastPirdop, Bulgaria
September
Weather in September
September, the first month of the autumn in Pirdop, is also an agreeable month, with an average temperature varying between 22.3°C (72.1°F) and 9.8°C (49.6°F).Temperature
Transition into September marks a drop in the average high-temperature, moving from a warm 27.5°C (81.5°F) in August to a pleasant 22.3°C (72.1°F). Nightly average temperatures in September reveal a significant dip from daytime highs in Pirdop, registering a consistent a chilly 9.8°C (49.6°F).Humidity
In September, the average relative humidity in Pirdop is 65%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 34mm (1.34") of precipitation.Snowfall
June through September are months without snowfall in Pirdop.Daylight
In Pirdop, the average length of the day in September is 12h and 29min.On the first day of September in Pirdop, sunrise is at 06:48 and sunset at 19:57. On the last day of the month, sunrise is at 07:19 and sunset at 19:06 EEST.
Sunshine
In September, the average sunshine in Pirdop is 9.4h.UV index
The average daily maximum UV index in September in Pirdop is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pirdop, Bulgaria
- Average high temperature in September: 22.3°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 (2.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in September
Pirdop, Bulgaria
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.8mbar).
Average wind speed in September
Pirdop, Bulgaria
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest months (with the lowest average wind speed) are August and October (6.7km/h).
Average humidity in September
Pirdop, Bulgaria
- Average humidity in September: 65%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Pirdop, Bulgaria
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (102mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Pirdop, Bulgaria
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Pirdop, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (270mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Pirdop, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pirdop, 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 24min
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 6min).
Average sunshine days in September
Pirdop, Bulgaria
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is August (19 days).
The months with the least sunshine days are May and June (8.3 days).
Average UV index in September
Pirdop, Bulgaria
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Pirdop, Bulgaria
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Pirdop, Bulgaria
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





