September weather forecast
Trebinje, Bosnia and Herzegovina

englishespañol中文
Share

Weather in September

The change in season becomes apparent in September in Trebinje with a shift towards autumn. The month is characterized by reduced temperatures and shorter daylight hours from August, indicating the start of the calm, transitional period. A significant increase in rainfall further signifies the transition from summer to autumn. The weather in September prepares Trebinje for a smoother shift into the colder months ahead.

Temperature

The onset of September is marked by a minor decrease in temperature, transitioning from a hot 30.3°C (86.5°F) in August to a moderately hot 25.4°C (77.7°F). Trebinje encounters a steady low-temperature average of 18.7°C (65.7°F) throughout the month of September.

Humidity

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

Rainfall

In September, the rain falls for 6.4 days. Throughout September, 99mm (3.9") of precipitation is accumulated. Throughout the year, in Trebinje, there are 113.5 rainfall days, and 1564mm (61.57") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 06:11 and sunset at 19:21. On the last day of the month, sunrise is at 06:43 and sunset at 18:29 CEST.

Sunshine

In September, the average sunshine in Trebinje is 8.7h.
[Resources]

Frequently asked questions

What are September temperatures in Trebinje?

During September, Trebinje experiences an average high-temperature of 25.4°C (77.7°F) and a low-temperature of 18.7°C (65.7°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 32°C (89.6°F).

What is the average humidity in September in Trebinje?

The average relative humidity in September is 59%.

How much does it rain in Trebinje in September?

In Trebinje, Bosnia and Herzegovina, in September, during 6.4 rainfall days, 99mm (3.9") of precipitation is typically accumulated.

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

In Trebinje, Bosnia and Herzegovina, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Trebinje?

On the first day of September in Trebinje, sunrise is at 06:11 and sunset at 19:21. On the last day of the month, sunrise is at 06:43 and sunset at 18:29 CEST.

How many hours of sunshine does Trebinje have in September?

In September, the average sunshine duration in Trebinje, Bosnia and Herzegovina, 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

The 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).

[Resources]

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%).

[Resources]

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).

[Resources]

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).

[Resources]

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: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

[Resources]

Trebinje, Bosnia and Herzegovina

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location