September weather forecast and climate
Trebinje, Bosnia and Herzegovina

Weather in September

The first month of the autumn, September, is also a moderately hot month in Trebinje, Bosnia and Herzegovina, with average temperature fluctuating between 25.4°C (77.7°F) and 18.7°C (65.7°F).

Temperature

In Trebinje, the average high-temperature marginally drops, from a tropical 30.3°C (86.5°F) in August, to a moderately hot 25.4°C (77.7°F). In September, the average low-temperature is 18.7°C (65.7°F).

Humidity

In September, the average relative humidity is 59%.

Rainfall

In September, the rain falls for 6.4 days. Throughout September, 98.7mm (3.89") of precipitation is accumulated. Throughout the year, there are 113.5 rainfall days, and 1563.7mm (61.56") of precipitation is accumulated.

Daylight

In Trebinje, the average length of the day in September is 12.5h.

Sunshine

The average sunshine in September is 8.7h.
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FAQ

What is the temperature in September in Trebinje?

In September, in Trebinje, Bosnia and Herzegovina, the average high-temperature is 25.4°C (77.7°F), and the average low-temperature is 18.7°C (65.7°F).

What is the average humidity in September in Trebinje?

In September, the average relative humidity in Trebinje, Bosnia and Herzegovina, is 59%.

How many days does it rain in September in Trebinje?

In Trebinje, Bosnia and Herzegovina, in September, during 6.4 rainfall days, 98.7mm (3.89") of precipitation is typically accumulated.

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

In September, the average length of the day in Trebinje, Bosnia and Herzegovina, is 12.5h.

How many hours of sunshine does Trebinje have in September?

In Trebinje, Bosnia and Herzegovina, the average sunshine in September is 8.7h.

Average temperature in September
Trebinje, Bosnia and Herzegovina

Average temperature in September - Trebinje, Bosnia and Herzegovina
  • Average high temperature in September: 25.4°C

The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.2°C).

  • Average low temperature in September: 18.7°C

Months with the highest average low temperature are July and August (22.7°C).
The coldest month (with the lowest average low temperature) is January (5.5°C).

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Average humidity in September
Trebinje, Bosnia and Herzegovina

Average humidity in September - Trebinje, Bosnia and Herzegovina
  • Average humidity in September: 59%

The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is July (52%).

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Average rainfall in September
Trebinje, Bosnia and Herzegovina

Average rainfall in September - Trebinje, Bosnia and Herzegovina
  • Average rainfall in September: 98.7mm

The wettest month (with the highest rainfall) is November (265mm).
The driest month (with the least rainfall) is July (24.1mm).

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Average rainfall days in September
Trebinje, Bosnia and Herzegovina

Average rainfall days in September - Trebinje, Bosnia and Herzegovina
  • Average rainfall days in September: 6.4 days

The month with the highest number of rainy days is November (15.3 days).
The month with the least rainy days is July (2.4 days).

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

Average daylight in September / Average sunshine in September - Trebinje, Bosnia and Herzegovina
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is December (Average sunshine: 3.6h).

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