September weather forecast
Grabašnica, Bosnia and Herzegovina

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Weather in September

The first month of the autumn, September, is still a pleasant month in Grabašnica, Bosnia and Herzegovina, with an average temperature varying between 11.3°C (52.3°F) and 22.8°C (73°F).

Temperature

In the transition to September, Grabašnica observes a drop in the average high-temperature, moving from a moderately hot 28.9°C (84°F) in August to an agreeable 22.8°C (73°F). During the month of September, an average temperature of 11.3°C (52.3°F) is noted during the nights in Grabašnica, Bosnia and Herzegovina.

Humidity

The average relative humidity in September in Grabašnica is 73%.

Rainfall

In Grabašnica, in September, during 11.1 rainfall days, 61mm (2.4") of precipitation is typically accumulated. In Grabašnica, during the entire year, the rain falls for 138.9 days and collects up to 594mm (23.39") of precipitation.

Snowfall

May through September are months without snowfall in Grabašnica.

Daylight

In Grabašnica, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:16 and sunset at 19:30. On the last day of September, sunrise is at 06:51 and sunset at 18:35 CEST.

Sunshine

In September, the average sunshine in Grabašnica is 8.9h.

UV index

In Grabašnica, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the usual temperature for Grabašnica in September?

During September, Grabašnica experiences an average high-temperature of 22.8°C (73°F) and a low-temperature of 11.3°C (52.3°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 32°C (89.6°F).

What is the average humidity in September in Grabašnica?

In September, the average relative humidity is 73%.

How many days does it rain in September in Grabašnica?

In Grabašnica, Bosnia and Herzegovina, in September, during 11.1 rainfall days, 61mm (2.4") of precipitation is typically accumulated.

When it does not snow in Grabašnica?

May through September are months without snowfall in Grabašnica, Bosnia and Herzegovina.

Does it snow in Grabašnica in September?

In Grabašnica, Bosnia and Herzegovina, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Grabašnica have in September?

In September, the average day length in Grabašnica is 12h and 32min.

When are sunrise and sunset in September in Grabašnica?

On the first day of September, sunrise is at 06:16 and sunset at 19:30. On the last day of the month, sunrise is at 06:51 and sunset at 18:35 CEST.

How long on average sun shines in September in Grabašnica?

In Grabašnica, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Grabašnica?

In September, the average daily maximum UV index in Grabašnica is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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 visibility

Average temperature in September
Grabašnica, Bosnia and Herzegovina

Average temperature in September - Grabašnica, Bosnia and Herzegovina
  • Average high temperature in September: 22.8°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in September: 11.3°C

The months with the highest average low temperature are July and August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

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Average pressure in September
Grabašnica, Bosnia and Herzegovina

Average pressure in September - Grabašnica, Bosnia and Herzegovina
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).

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Average wind speed in September
Grabašnica, Bosnia and Herzegovina

Average wind speed in September - Grabašnica, Bosnia and Herzegovina
  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

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Average humidity in September
Grabašnica, Bosnia and Herzegovina

Average humidity in September - Grabašnica, Bosnia and Herzegovina
  • Average humidity in September: 73%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in September
Grabašnica, Bosnia and Herzegovina

Average rainfall in September - Grabašnica, Bosnia and Herzegovina
  • Average rainfall in September: 61mm

The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is March (37mm).

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Average rainfall days in September
Grabašnica, Bosnia and Herzegovina

Average rainfall days in September - Grabašnica, Bosnia and Herzegovina
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.9 days).

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Average snowfall in September
Grabašnica, Bosnia and Herzegovina

Average snowfall in September - Grabašnica, Bosnia and Herzegovina
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (117mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Grabašnica, Bosnia and Herzegovina

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

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in September
Grabašnica, Bosnia and Herzegovina

Average sunshine days in September - Grabašnica, Bosnia and Herzegovina
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in September
Grabašnica, Bosnia and Herzegovina

Average UV index in September - Grabašnica, Bosnia and Herzegovina
  • Average UV index in September: 4

The months with the highest UV index are June and 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
Grabašnica, Bosnia and Herzegovina

Average cloud cover in September - Grabašnica, Bosnia and Herzegovina
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in September
Grabašnica, Bosnia and Herzegovina

Average visibility in September - Grabašnica, Bosnia and Herzegovina
  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).

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Grabašnica, Bosnia and Herzegovina

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