September weather forecastPieniany, Poland

September

Weather in September

September, the first month of the autumn in Pieniany, is still a comfortable month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 9.7°C (49.5°F).

Temperature

The onset of September results in a decrease in the average high-temperature, receding from a moderately hot 25.2°C (77.4°F) in August to a comfortable 19.5°C (67.1°F). In Pieniany, September is marked by an average low-temperature of 9.7°C (49.5°F).

Humidity

The average relative humidity in September in Pieniany, Poland, is 74%.

Rainfall

In Pieniany, Poland, in September, it is raining for 13.7 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Pieniany, there are 179.4 rainfall days, and 586mm (23.07") of precipitation is accumulated.

Snowfall

In Pieniany, Poland, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 37min.
On the first day of September in Pieniany, sunrise is at 05:40 and sunset at 19:09. On the last day of the month, sunrise is at 06:24 and sunset at 18:05 CEST.

Sunshine

In Pieniany, the average sunshine in September is 8.4h.

UV index

In Pieniany, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 3 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

During September, Pieniany experiences an average high-temperature of 19.5°C (67.1°F) and a low-temperature of 9.7°C (49.5°F).

The average relative humidity in September is 74%.

In Pieniany, Poland, in September, it is raining for 13.7 days, with typically 32mm (1.26") of accumulated precipitation.

In Pieniany, Poland, snow does not fall in May through September.

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

In Pieniany, Poland, the average day length in September is 12h and 37min.

On the first day of September, sunrise is at 05:40 and sunset at 19:09. On the last day of the month, sunrise is at 06:24 and sunset at 18:05 CEST.

In September, the average sunshine duration in Pieniany, Poland, is 8.4h.

In Pieniany, Poland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Pieniany, Poland

  • Average high temperature in September: 19.5°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 (-0.8°C).

  • Average low temperature in September: 9.7°C

The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-5°C).

Average pressure in September
Pieniany, Poland

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is October (1019.3mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Pieniany, Poland

  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Pieniany, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Pieniany, Poland

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is May (93mm).
The driest month (with the least rainfall) is November (29mm).

Average rainfall days in September
Pieniany, Poland

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is June (22.3 days).
The month with the least rainy days is February (8.8 days).

Average snowfall in September
Pieniany, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Pieniany, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Pieniany, 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 6min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in September
Pieniany, Poland

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in September
Pieniany, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Pieniany, Poland

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Pieniany, 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, February and December (7km).