September weather forecastSmolnik, Bulgaria

September

Weather in September

September, the first month of the autumn in Smolnik, is still a warm month, with an average temperature varying between 25.7°C (78.3°F) and 14.5°C (58.1°F).

Temperature

The shift from August to September involves a decrease in the average high-temperature, dropping from a hot 31.4°C (88.5°F) to a moderately hot 25.7°C (78.3°F). During the nights in September, Smolnik experiences a consistent average temperature of 14.5°C (58.1°F).

Humidity

In September, the average relative humidity is 57%.

Rainfall

In Smolnik, during September, the rain falls for 6.8 days and regularly aggregates up to 17mm (0.67") of precipitation. In Smolnik, during the entire year, the rain falls for 110.4 days and collects up to 334mm (13.15") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In Smolnik, the average length of the day in September is 12h and 29min.
On the first day of September in Smolnik, sunrise is at 06:37 and sunset at 19:46. On the last day of the month, sunrise is at 07:08 and sunset at 18:55 EEST.

Sunshine

In Smolnik, the average sunshine in September is 10.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

During September, Smolnik experiences an average high-temperature of 25.7°C (78.3°F) and a low-temperature of 14.5°C (58.1°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 34°C (93.2°F).

In September, the average relative humidity in Smolnik is 57%.

In September, in Smolnik, Bulgaria, the rain falls for 6.8 days. Throughout September, 17mm (0.67") of precipitation is accumulated.

April through September are months without snowfall in Smolnik.

In Smolnik, Bulgaria, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Smolnik, Bulgaria, is 12h and 29min.

On the first day of September, sunrise is at 06:37 and sunset at 19:46. On the last day of the month, sunrise is at 07:08 and sunset at 18:55 EEST.

In September, the average sunshine duration is 10.3h.

The average daily maximum UV index in September in Smolnik, Bulgaria, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Smolnik, Bulgaria

  • Average high temperature in September: 25.7°C

The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).

Average pressure in September
Smolnik, Bulgaria

  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is July (1012.6mbar).

Average wind speed in September
Smolnik, Bulgaria

  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is June (9.3km/h).

Average humidity in September
Smolnik, Bulgaria

  • Average humidity in September: 57%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (51%).

Average rainfall in September
Smolnik, Bulgaria

  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in September
Smolnik, Bulgaria

  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is August (4.6 days).

Average snowfall in September
Smolnik, Bulgaria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (57mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Smolnik, Bulgaria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Smolnik, Bulgaria

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 18min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Smolnik, Bulgaria

  • Average sunshine days in September: 21.7 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in September
Smolnik, Bulgaria

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Smolnik, Bulgaria

  • Average cloud cover in September: 23

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in September
Smolnik, Bulgaria

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).