September weather forecast
Sarajevo, Bosnia and Herzegovina

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Water canal under a bridge in front of Sarajevo historical center in Sarajevo, Bosnia and Herzegovina
Water canal under a bridge in front of Sarajevo historical center in Sarajevo, Bosnia and Herzegovina

Weather in September

With September comes the transitional period in Sarajevo's weather as the city gently steps into autumn. September experiences a noticeable drop in temperature to a high of 22°C (71.6°F), indicating a transition from the warm summer towards a milder autumn. Layers of vibrant hues start to infuse the cityscape, transforming Sarajevo into an enchanting autumnal palette. A slight increase in rainfall marks the beginning of the city's transition to the cooler and wetter months. Despite the temperature drop, September retains a comfortable warmth to wander around this historical city.

Temperature

Sarajevo's September weather features a mild decline in high-temperatures, reducing from a moderately hot 27.2°C (81°F) in August to a pleasant 22°C (71.6°F). Sarajevo, in September, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 10°C (50°F).

Humidity

The average relative humidity in September in Sarajevo is 75%.

Rainfall

The month with the most rainfall is September, when the rain falls for 15 days and typically aggregates up to 91mm (3.58") of precipitation.

Snowfall

In Sarajevo, Bosnia and Herzegovina, snow does not fall in June through September.

Daylight

In September, the average length of the day in Sarajevo, Bosnia and Herzegovina, is 12h and 31min.
On the first day of September, sunrise is at 06:10 and sunset at 19:22. On the last day of the month, sunrise is at 06:43 and sunset at 18:29 CEST.

Sunshine

In Sarajevo, Bosnia and Herzegovina, the average sunshine in September is 6.2h.

UV index

In September, the average daily maximum UV index in Sarajevo, Bosnia and Herzegovina, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What are September temperatures in Sarajevo?

In Sarajevo, in September, the average high-temperature is 22°C (71.6°F), and the average low-temperature is 10°C (50°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 29°C (84.2°F).

What is the average humidity in September in Sarajevo?

In September, the average relative humidity in Sarajevo is 75%.

What is the rainiest month in Sarajevo?

September is the month with the most rainfall in Sarajevo. Rain falls for 15 days and accumulates 91mm (3.58") of precipitation.

How many days does it rain in September in Sarajevo?

In September, in Sarajevo, Bosnia and Herzegovina, the rain falls for 15 days. Throughout September, 91mm (3.58") of precipitation is accumulated.

When it does not snow in Sarajevo?

In Sarajevo, snow does not fall in June through September.

Does it snow in Sarajevo in September?

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

What is the average length of the day in September in Sarajevo?

In September, the average day length in Sarajevo is 12h and 31min.

When is the sunrise / sunset in September in Sarajevo?

In September, on the first day of the month, sunrise is at 06:10 and sunset at 19:22. On the last day of the month, in Sarajevo, sunrise is at 06:43 and sunset at 18:29 CEST.

How long on average sun shines in September in Sarajevo?

In September, the average sunshine duration is 6.2h.

How high is the UV index in September in Sarajevo?

The average daily maximum UV index in September in Sarajevo, Bosnia and Herzegovina, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Sarajevo, Bosnia and Herzegovina

Average temperature in September - Sarajevo, Bosnia and Herzegovina
  • Average high temperature in September: 22°C

The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 10°C

The months with the highest average low temperature are July and August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

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Average humidity in September
Sarajevo, Bosnia and Herzegovina

Average humidity in September - Sarajevo, Bosnia and Herzegovina
  • Average humidity in September: 75%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is April (67%).

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Average rainfall in September
Sarajevo, Bosnia and Herzegovina

Average rainfall in September - Sarajevo, Bosnia and Herzegovina
  • Average rainfall in September: 91mm

The wettest month (with the highest rainfall) is September (91mm).
The driest month (with the least rainfall) is February (64mm).

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Average rainfall days in September
Sarajevo, Bosnia and Herzegovina

Average rainfall days in September - Sarajevo, Bosnia and Herzegovina
  • Average rainfall days in September: 15 days

The months with the highest number of rainy days are April and May (17 days).
The month with the least rainy days is January (8 days).

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Average snowfall days in September
Sarajevo, Bosnia and Herzegovina

Average snowfall days in September - Sarajevo, Bosnia and Herzegovina
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and December (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Sarajevo, Bosnia and Herzegovina

Average daylight in September / Average sunshine in September - Sarajevo, Bosnia and Herzegovina
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is July (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).

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Average UV index in September
Sarajevo, Bosnia and Herzegovina

Average UV index in September - Sarajevo, Bosnia and Herzegovina
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 1).

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Sarajevo, Bosnia and Herzegovina

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