September weather forecast and climate
Unka, Bosnia and Herzegovina

Weather in September

The first month of the autumn, September, is also a moderately hot month in Unka, Bosnia and Herzegovina, with average temperature ranging between max 23.4°C (74.1°F) and min 11.8°C (53.2°F).

Temperature

In Unka, the average high-temperature in September decreases, from a moderately hot 29.2°C (84.6°F) in August, to a still warm 23.4°C (74.1°F). In September, the average low-temperature is 11.8°C (53.2°F).

Humidity

The average relative humidity in September is 68%.

Rainfall

In Unka, during September, the rain falls for 9.2 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, in Unka, there are 128.9 rainfall days, and 382mm (15.04") of precipitation is accumulated.

Snowfall

In Unka snow does not fall in May through October.

Daylight

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

Sunshine

In September, the average sunshine is 9.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Unka?

In Unka, Bosnia and Herzegovina, in September, the average high-temperature is 23.4°C (74.1°F), and the average low-temperature is 11.8°C (53.2°F).

What is the average humidity in September in Unka?

In September, the average relative humidity in Unka is 68%.

How much does it rain in Unka in September?

In September, the rain falls for 9.2 days. Throughout September, 25mm (0.98") of precipitation is accumulated.

When it does not snow in Unka?

In Unka, Bosnia and Herzegovina, snow does not fall in May through October.

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

The average length of the day in September is 12.5h.

How many hours of sunshine does Unka have in September?

The average sunshine in September in Unka is 9.1h.

What is the UV index reading in September in Unka?

In Unka, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Unka, Bosnia and Herzegovina

Average temperature in September - Unka, Bosnia and Herzegovina
  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

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Average pressure in September
Unka, Bosnia and Herzegovina

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

The month with the highest atmospheric pressure is December (1020.8mbar).
Months with the lowest atmospheric pressure are May, June and July (1014.6mbar).

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Average wind speed in September
Unka, Bosnia and Herzegovina

Average wind speed in September - Unka, Bosnia and Herzegovina
  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

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Average humidity in September
Unka, Bosnia and Herzegovina

Average humidity in September - Unka, Bosnia and Herzegovina
  • Average humidity in September: 68%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in September
Unka, Bosnia and Herzegovina

Average rainfall in September - Unka, Bosnia and Herzegovina
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is November (16mm).

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Average rainfall days in September
Unka, Bosnia and Herzegovina

Average rainfall days in September - Unka, Bosnia and Herzegovina
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in September
Unka, Bosnia and Herzegovina

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

The month with the highest snowfall is January (60mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in September
Unka, Bosnia and Herzegovina

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

The month with the highest number of snowfall days is January (7.6 days).
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
Unka, Bosnia and Herzegovina

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

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is August (Average sunshine: 11.5h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in September
Unka, Bosnia and Herzegovina

Average sunshine days in September - Unka, Bosnia and Herzegovina
  • Average sunshine days in September: 18.7 days

Months with the most sunshine days are October and November (21.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in September
Unka, Bosnia and Herzegovina

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in September
Unka, Bosnia and Herzegovina

Average cloud cover in September - Unka, Bosnia and Herzegovina
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Unka, Bosnia and Herzegovina

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

Months with the highest visibility are July and August (10km).
Months with the lowest visibility are January and February (8km).

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