September weather forecastBiesal, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Biesal, Poland, with an average temperature ranging between min 9.8°C (49.6°F) and max 18.3°C (64.9°F).

Temperature

The start of September signals a decrease in the average high-temperature, transitioning from a moderately hot 23.7°C (74.7°F) in August to a comfortable 18.3°C (64.9°F). In the month of September, Biesal's average low-temperature falls to a frosty 9.8°C (49.6°F).

Humidity

In Biesal, the average relative humidity in September is 75%.

Rainfall

In Biesal, Poland, in September, it is raining for 13.5 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Biesal, there are 155.1 rainfall days, and 414mm (16.3") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Biesal is 12h and 41min.
On the first day of September in Biesal, sunrise is at 05:49 and sunset at 19:29. On the last day of the month, sunrise is at 06:40 and sunset at 18:18 CEST.

Sunshine

In Biesal, the average sunshine in September is 7.7h.

UV index

The average daily maximum UV index in September in Biesal, Poland, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

During September, Biesal experiences an average high-temperature of 18.3°C (64.9°F) and a low-temperature of 9.8°C (49.6°F).

In September, the average relative humidity is 75%.

In Biesal, Poland, in September, during 13.5 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

In Biesal, Poland, snow does not fall in June through September.

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

In Biesal, the average day length in September is 12h and 41min.

On the first day of September in Biesal, sunrise is at 05:49 and sunset at 19:29. On the last day of the month, sunrise is at 06:40 and sunset at 18:18 CEST.

In September, the average sunshine duration is 7.7h.

In September, the average daily maximum UV index in Biesal, Poland, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Biesal, Poland

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).

Average pressure in September
Biesal, Poland

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Biesal, Poland

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in September
Biesal, Poland

  • Average humidity in September: 75%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Biesal, Poland

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).

Average rainfall days in September
Biesal, Poland

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Biesal, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Biesal, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in September
Biesal, Poland

  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in September
Biesal, Poland

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Biesal, Poland

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Biesal, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).