Weather in September
September welcomes early signs of Fall, with a drop in temperature, after the summer peaks. The temperature profile closely follows with a monthly high of 21.1°C (70°F) while cooling at night to 8.8°C (47.8°F). The arrival of autumn takes the residents back to pleasant mornings and cozy nights. The calm and clear sky paints magnificent colors, rendering an astonishing charm to the city. September serves as a transitional period, offering cooled temperatures, and is an end to the summer’s reign.
On the first day of September, sunrise is at 06:47 and sunset at 19:54. On the last day of the month, sunrise is at 07:17 and sunset at 19:04 EEST.
Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 25.7°C (78.3°F) in August to a pleasant 21.1°C (70°F). Nightly readings in September display a noticeable downturn from daily highs, with the average low-temperature registering a frosty 8.8°C (47.8°F).Humidity
In Smolyan, the average relative humidity in September is 62%.Rainfall
The month with the least rainfall in Smolyan is September, when 10mm (0.39") of precipitation is typically aggregated.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 06:47 and sunset at 19:54. On the last day of the month, sunrise is at 07:17 and sunset at 19:04 EEST.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Smolyan in September?
The high-temperature during September is 21.1°C (70°F) and the low-temperature is 8.8°C (47.8°F).
What is the average humidity in September in Smolyan?
The average relative humidity in September in Smolyan, Bulgaria, is 62%.
What is the driest month in Smolyan?
The month with the least rainfall is September, when 10mm (0.39") of precipitation is typically aggregated.
How much does it rain in Smolyan in September?
During September, Smolyan regularly aggregates up to 10mm (0.39") of precipitation.
How many hours of daylight does Smolyan have in September?
In Smolyan, the average day length in September is 12h and 29min.
When is the sunrise / sunset in September in Smolyan?
On the first day of September in Smolyan, Bulgaria, sunrise is at 06:47 and sunset at 19:54. On the last day of the month, sunrise is at 07:17 and sunset at 19:04 EEST.
Average temperature in September
Smolyan, Bulgaria
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.2°C).
Average humidity in September
Smolyan, Bulgaria
- Average humidity in September: 62%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Smolyan, Bulgaria
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is December (210mm).
The driest month (with the least rainfall) is September (10mm).
Average daylight in September
Smolyan, 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).
Smolyan, Bulgaria
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