September weather forecast
Brnik, Poland

September

Weather in September

September, the first month of the autumn in Brnik, is also an enjoyable month, with an average temperature varying between 10.1°C (50.2°F) and 19.6°C (67.3°F).

Temperature

Brnik experiences a temperature shift at the start of September, with average high-temperatures adjusting from a moderately hot 25.2°C (77.4°F) in August to an enjoyable 19.6°C (67.3°F). Brnik encounters an average low-temperature of 10.1°C (50.2°F) during September nights.

Humidity

In September, the average relative humidity in Brnik is 74%.

Rainfall

In September, the rain falls for 10.5 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Brnik, during the entire year, the rain falls for 131.2 days and collects up to 389mm (15.31") of precipitation.

Snowfall

June through September are months without snowfall in Brnik.

Daylight

In Brnik, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 05:51 and sunset at 19:20. On the last day of September, in Brnik, sunrise is at 06:35 and sunset at 18:16 CEST.

Sunshine

In Brnik, Poland, the average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the temperatures in Brnik in September?
In September, the average high-temperature and low-temperature are 19.6°C (67.3°F) and 10.1°C (50.2°F) respectively.
What is the average humidity in September in Brnik?
In September, the average relative humidity in Brnik is 74%.
How much does it rain in Brnik in September?
In Brnik, in September, it is raining for 10.5 days, with typically 28mm (1.1") of accumulated precipitation.
When it does not snow in Brnik?
June through September are months without snowfall in Brnik.
Does it snow in Brnik in September?
In Brnik, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Brnik?
In September, the average day length in Brnik, Poland, is 12h and 37min.
When is the sunrise / sunset in September in Brnik?
In September, on the first day of the month, sunrise is at 05:51 and sunset at 19:20. On the last day of the month, in Brnik, sunrise is at 06:35 and sunset at 18:16 CEST.
How many hours of sunshine does Brnik have in September?
The average sunshine duration in September in Brnik is 8.1h.
What is the UV index intensity in September in Brnik?
In September, the average daily maximum UV index in Brnik, Poland, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 - Brnik, Poland
Average temperature in September
Brnik, Poland
  • Average high temperature in September: 19.6°C

The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in September: 10.1°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September - Brnik, Poland
Average pressure in September
Brnik, Poland
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in September - Brnik, Poland
Average wind speed in September
Brnik, Poland
  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in September - Brnik, Poland
Average humidity in September
Brnik, Poland
  • Average humidity in September: 74%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September - Brnik, Poland
Average rainfall in September
Brnik, Poland
  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is March (18mm).

Average rainfall days in September - Brnik, Poland
Average rainfall days in September
Brnik, Poland
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September - Brnik, Poland
Average snowfall in September
Brnik, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Brnik, Poland
Average snowfall days in September
Brnik, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Brnik, Poland
Average daylight in September /
Average sunshine in September
Brnik, Poland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in September - Brnik, Poland
Average sunshine days in September
Brnik, Poland
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (17.9 days).
The months with the least sunshine days are February and June (11.6 days).

Average UV index in September - Brnik, Poland
Average UV index in September
Brnik, Poland
  • 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 November and December (UV index 1).

Average cloud cover in September - Brnik, Poland
Average cloud cover in September
Brnik, Poland
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Brnik, Poland
Average visibility in September
Brnik, Poland
  • 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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