September weather forecastBierdzany, Poland

September

Weather in September

September, the first month of the autumn in Bierdzany, is still a refreshing month, with an average temperature varying between 19.7°C (67.5°F) and 11.3°C (52.3°F).

Temperature

Bierdzany in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 25.6°C (78.1°F) to an enjoyable 19.7°C (67.5°F). In September, the average low-temperature in Bierdzany records at a cool 11.3°C (52.3°F) during the nights.

Humidity

In Bierdzany, the average relative humidity in September is 71%.

Rainfall

In Bierdzany, Poland, in September, it is raining for 13.2 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Bierdzany, there are 160.4 rainfall days, and 450mm (17.72") of precipitation is accumulated.

Snowfall

In Bierdzany, snow does not fall in June through September.

Daylight

In Bierdzany, the average length of the day in September is 12h and 38min.
On the first day of September, sunrise is at 06:01 and sunset at 19:32. On the last day of the month, sunrise is at 06:46 and sunset at 18:27 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Bierdzany is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Bierdzany, is 19.7°C (67.5°F) and the average low-temperature is 11.3°C (52.3°F).

In September, the average relative humidity in Bierdzany is 71%.

In September, in Bierdzany, Poland, the rain falls for 13.2 days. Throughout September, 38mm (1.5") of precipitation is accumulated.

In Bierdzany, snow does not fall in June through September.

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

In Bierdzany, Poland, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 06:01 and sunset at 19:32. On the last day of the month, sunrise is at 06:46 and sunset at 18:27 CEST.

In Bierdzany, the average sunshine duration in September is 8.5h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.6°C

19.7°C

13.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.9km/h

11.4km/h

12.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.5

15.4

17.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Bierdzany, Poland

Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (1°C).

Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September
Bierdzany, Poland

Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in September
Bierdzany, Poland

Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Bierdzany, Poland

Average humidity in September: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Bierdzany, Poland

Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in September
Bierdzany, Poland

Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in September
Bierdzany, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Bierdzany, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bierdzany, Poland

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

Average sunshine in September: 8h and 30min

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