September weather forecast
Blagoevgrad, Bulgaria

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Weather in September

September marks the onset of autumn in Blagoevgrad. There is a dip in temperatures from August, with the climate starting to cool down. Autumn paints the city with varied hues, complemented by moderate rainfall and shortened days. A slight increase in wind speed accompanies the change in seasons. The weather in September combines the remnants of summer warmth with the freshness of approaching autumn, offering uniquely pleasant conditions in Blagoevgrad.

Temperature

As Blagoevgrad enters September, the average high-temperature decreases from the a moderately hot 27.7°C (81.9°F) of August to an agreeable 22.3°C (72.1°F). Blagoevgrad's nighttime temperature in September demonstrates a noticeable plunge to a chilly 9.4°C (48.9°F).

Humidity

In Blagoevgrad, the average relative humidity in September is 63%.

Rainfall

In Blagoevgrad, in September, it is raining for 9.8 days, with typically 29mm (1.14") of accumulated precipitation. In Blagoevgrad, Bulgaria, during the entire year, the rain falls for 142.3 days and collects up to 418mm (16.46") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September in Blagoevgrad, Bulgaria, sunrise is at 06:53 and sunset at 20:01. On the last day of the month, sunrise is at 07:23 and sunset at 19:10 EEST.

Sunshine

In Blagoevgrad, Bulgaria, the average sunshine in September is 9.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jan 24, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What are September temperatures in Blagoevgrad?

Blagoevgrad in September has an average high-temperature of 22.3°C (72.1°F) and an average low-temperature of 9.4°C (48.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 29°C (84.2°F).

What is the average humidity in September in Blagoevgrad?

In September, the average relative humidity in Blagoevgrad is 63%.

How many days does it rain in September in Blagoevgrad?

In Blagoevgrad, Bulgaria, in September, it is raining for 9.8 days, with typically 29mm (1.14") of accumulated precipitation.

When it does not snow in Blagoevgrad?

May through October are months without snowfall in Blagoevgrad, Bulgaria.

How many hours of daylight does Blagoevgrad have in September?

In Blagoevgrad, Bulgaria, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Blagoevgrad?

In September, on the first day of the month, sunrise is at 06:53 and sunset at 20:01. On the last day of the month, in Blagoevgrad, sunrise is at 07:23 and sunset at 19:10 EEST.

How many hours of sunshine does Blagoevgrad have in September?

The average sunshine duration in September is 9.7h.

How high is the UV index in September in Blagoevgrad?

The average daily maximum UV index in September in Blagoevgrad is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Blagoevgrad, Bulgaria

Average temperature in September - Blagoevgrad, Bulgaria
  • Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

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Average pressure in September
Blagoevgrad, Bulgaria

Average pressure in September - Blagoevgrad, Bulgaria
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The months with the lowest atmospheric pressure are May, June and July (1013.9mbar).

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Average wind speed in September
Blagoevgrad, Bulgaria

Average wind speed in September - Blagoevgrad, Bulgaria
  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

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Average humidity in September
Blagoevgrad, Bulgaria

Average humidity in September - Blagoevgrad, Bulgaria
  • Average humidity in September: 63%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in September
Blagoevgrad, Bulgaria

Average rainfall in September - Blagoevgrad, Bulgaria
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is October (21mm).

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Average rainfall days in September
Blagoevgrad, Bulgaria

Average rainfall days in September - Blagoevgrad, Bulgaria
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Blagoevgrad, Bulgaria

Average snowfall in September - Blagoevgrad, Bulgaria
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Blagoevgrad, Bulgaria

Average snowfall days in September - Blagoevgrad, Bulgaria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Blagoevgrad, Bulgaria
  • Average daylight in September: 12h and 3min

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 12min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).

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Average sunshine days in September
Blagoevgrad, Bulgaria

Average sunshine days in September - Blagoevgrad, Bulgaria
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (9.7 days).

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Average UV index in September
Blagoevgrad, Bulgaria

Average UV index in September - Blagoevgrad, 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).

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Average cloud cover in September
Blagoevgrad, Bulgaria

Average cloud cover in September - Blagoevgrad, Bulgaria
  • Average cloud cover in September: 22

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in September
Blagoevgrad, Bulgaria

Average visibility in September - Blagoevgrad, Bulgaria
  • Average visibility in September: 9km

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

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Blagoevgrad, Bulgaria

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