September weather forecast
Brežice, Slovenia

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Weather in September

September signals the beginning of autumn in Brežice as temperatures start to recede from the peak summer highs. The weather turns milder, with autumnal hues gradually replacing the verdant landscape. September is usually characterized by the comfortable warmth of the afternoon sun and a noticeable decrease in daylight hours. The ripening wine grapes and the changing foliage add to the charm of the season. It is an ideal time for outdoor excursions and nature walks to witness the fall colors.

Temperature

Brežice's progression into September includes a drop in the average high-temperature, from a warm 27.7°C (81.9°F) in August to an agreeable 21.4°C (70.5°F). Throughout September nights, Brežice registers an average low-temperature of 11°C (51.8°F).

Humidity

In Brežice, the average relative humidity in September is 76%.

Rainfall

In September, the rain falls for 12 days. Throughout September, 54mm (2.13") of precipitation is accumulated. In Brežice, Slovenia, during the entire year, the rain falls for 141.8 days and collects up to 503mm (19.8") of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Brežice is 12h and 32min.
On the first day of the month, sunrise is at 06:19 and sunset at 19:35. On the last day of September, in Brežice, sunrise is at 06:55 and sunset at 18:39 CEST.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Brežice is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are the temperatures in Brežice in September?

In Brežice, in September, the average high-temperature is 21.4°C (70.5°F), and the average low-temperature is 11°C (51.8°F). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 30°C (86°F).

What is the average humidity in September in Brežice?

The average relative humidity in September in Brežice, Slovenia, is 76%.

How much does it rain in Brežice in September?

In Brežice, Slovenia, during September, the rain falls for 12 days and regularly aggregates up to 54mm (2.13") of precipitation.

When it does not snow in Brežice?

May through September are months without snowfall in Brežice, Slovenia.

Does it snow in Brežice in September?

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

How many hours of daylight does Brežice have in September?

The average day length in September in Brežice, Slovenia, is 12h and 32min.

When are sunrise and sunset in September in Brežice?

In September, on the first day of the month, sunrise is at 06:19 and sunset at 19:35. On the last day of the month, in Brežice, sunrise is at 06:55 and sunset at 18:39 CEST.

How many hours of sunshine does Brežice have in September?

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

What is the UV index intensity in September in Brežice?

In Brežice, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Brežice, Slovenia

Average temperature in September - Brežice, Slovenia
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

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Average pressure in September
Brežice, Slovenia

Average pressure in September - Brežice, Slovenia
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.8mbar).

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Average wind speed in September
Brežice, Slovenia

Average wind speed in September - Brežice, Slovenia
  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

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Average humidity in September
Brežice, Slovenia

Average humidity in September - Brežice, Slovenia
  • Average humidity in September: 76%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in September
Brežice, Slovenia

Average rainfall in September - Brežice, Slovenia
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is May (67mm).
The driest months (with the least rainfall) are January and March (26mm).

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Average rainfall days in September
Brežice, Slovenia

Average rainfall days in September - Brežice, Slovenia
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in September
Brežice, Slovenia

Average snowfall in September - Brežice, Slovenia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (76mm).
The months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in September
Brežice, Slovenia

Average snowfall days in September - Brežice, Slovenia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.4 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
Brežice, Slovenia

Average daylight in September / Average sunshine in September - Brežice, Slovenia
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • 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
Brežice, Slovenia

Average sunshine days in September - Brežice, Slovenia
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in September
Brežice, Slovenia

Average UV index in September - Brežice, Slovenia
  • Average UV index in September: 4

The month with the highest UV index is 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
Brežice, Slovenia

Average cloud cover in September - Brežice, Slovenia
  • Average cloud cover in September: 36

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in September
Brežice, Slovenia

Average visibility in September - Brežice, Slovenia
  • Average visibility in September: 9km

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

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Brežice, Slovenia

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