September weather forecastPiorunka, Poland

September

Weather in September

September, the first month of the autumn in Piorunka, is still a comfortable month, with temperature in the range of an average high of 18°C (64.4°F) and an average low of 8.5°C (47.3°F).

Temperature

Observing a mild shift, the average high-temperature during September reduces from August's moderately hot 23.4°C (74.1°F) to a refreshing 18°C (64.4°F). In Piorunka, September's nights observe an average temperature dip to a chilly 8.5°C (47.3°F).

Humidity

In Piorunka, the average relative humidity in September is 78%.

Rainfall

In Piorunka, during September, the rain falls for 13.6 days and regularly aggregates up to 40mm (1.57") of precipitation. In Piorunka, during the entire year, the rain falls for 168.5 days and collects up to 575mm (22.64") of precipitation.

Snowfall

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

Daylight

In Piorunka, the average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 05:52 and sunset at 19:19. On the last day of September, sunrise is at 06:35 and sunset at 18:16 CEST.

Sunshine

In September, the average sunshine in Piorunka is 8.3h.

UV index

In Piorunka, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

Piorunka in September has an average high-temperature of 18°C (64.4°F) and an average low-temperature of 8.5°C (47.3°F).

In Piorunka, the average relative humidity in September is 78%.

In Piorunka, in September, during 13.6 rainfall days, 40mm (1.57") of precipitation is typically accumulated.

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

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

The average day length in September is 12h and 36min.

In September, on the first day of the month, sunrise is at 05:52 and sunset at 19:19. On the last day of the month, sunrise is at 06:35 and sunset at 18:16 CEST.

The average sunshine duration in September is 8.3h.

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Piorunka, Poland

  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in September
Piorunka, Poland

  • Average pressure in September: 1017.7mbar

The months with the highest atmospheric pressure are October and December (1019mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).

Average wind speed in September
Piorunka, Poland

  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in September
Piorunka, Poland

  • Average humidity in September: 78%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (75%).

Average rainfall in September
Piorunka, Poland

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is May (88mm).
The driest months (with the least rainfall) are March and November (31mm).

Average rainfall days in September
Piorunka, Poland

  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in September
Piorunka, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (204mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Piorunka, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in September
Piorunka, Poland

  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is June (7.7 days).

Average UV index in September
Piorunka, Poland

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Piorunka, Poland

  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Piorunka, Poland

  • Average visibility in September: 9km

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