September weather forecastVishlene, Bulgaria

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Vishlene, Bulgaria, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 11.5°C (52.7°F).

Temperature

Welcoming September, Vishlene observes a shift in the average high-temperature, falling from August's moderately hot 28.8°C (83.8°F) to a still warm 23.5°C (74.3°F). Vishlene records a significant temperature drop in September nights, lowering to an average of 11.5°C (52.7°F).

Humidity

In September, the average relative humidity is 62%.

Rainfall

In Vishlene, in September, during 11.6 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Vishlene, Bulgaria, there are 168.8 rainfall days, and 560mm (22.05") of precipitation is accumulated.

Snowfall

In Vishlene, snow does not fall in April through October.

Daylight

The average length of the day in September in Vishlene, Bulgaria, is 12h and 28min.
On the first day of September, sunrise is at 06:54 and sunset at 20:00. On the last day of the month, sunrise is at 07:23 and sunset at 19:11 EEST.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 in September translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

In Vishlene, 23.5°C (74.3°F) is the average high-temperature and 11.5°C (52.7°F) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 30°C (86°F).

In Vishlene, Bulgaria, the average relative humidity in September is 62%.

In Vishlene, Bulgaria, during September, the rain falls for 11.6 days and regularly aggregates up to 38mm (1.5") of precipitation.

April through October are months without snowfall in Vishlene.

In Vishlene, Bulgaria, the average day length in September is 12h and 28min.

On the first day of September in Vishlene, Bulgaria, sunrise is at 06:54 and sunset at 20:00. On the last day of the month, sunrise is at 07:23 and sunset at 19:11 EEST.

In September, the average sunshine duration is 9.6h.

In September, the average daily maximum UV index in Vishlene, Bulgaria, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Vishlene, Bulgaria

  • Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in September
Vishlene, Bulgaria

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in September
Vishlene, Bulgaria

  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is March (7.9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September
Vishlene, Bulgaria

  • Average humidity in September: 62%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (56%).

Average rainfall in September
Vishlene, Bulgaria

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is October (32mm).

Average rainfall days in September
Vishlene, Bulgaria

  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Vishlene, Bulgaria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Vishlene, Bulgaria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 30min

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).

  • Average sunshine in September: 9h and 36min

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 54min).

Average sunshine days in September
Vishlene, Bulgaria

  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in September
Vishlene, Bulgaria

  • Average UV index in September: 5

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
Vishlene, Bulgaria

  • Average cloud cover in September: 24

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Vishlene, 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).