September weather forecastKsiążno, Poland

September weather for Książno, Poland: On the last day of September, in Książno, sunrise is at 06:50 and sunset at 18:29 CEST. September, the first month of the autumn in Książno, is still a refreshing month, with an average temperature ranging between max 19.5°C (67.1°F) and min 11.2°C (52.2°F).

September

Weather in September

September, the first month of the autumn in Książno, is still a refreshing month, with an average temperature ranging between max 19.5°C (67.1°F) and min 11.2°C (52.2°F).

Temperature

With the onset of September, Książno's average high-temperature adjusts, receding from August's warm 24.9°C (76.8°F) to an enjoyable 19.5°C (67.1°F). Throughout September, the average low-temperature in Książno records at a cool 11.2°C (52.2°F).

Humidity

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

Rainfall

In September, in Książno, the rain falls for 10.6 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Książno, during the entire year, the rain falls for 141 days and collects up to 311mm (12.24") of precipitation.

Snowfall

In Książno, snow does not fall in June through October.

Daylight

In September, the average length of the day in Książno is 12h and 40min.
On the first day of the month, sunrise is at 06:02 and sunset at 19:37. On the last day of September, in Książno, sunrise is at 06:50 and sunset at 18:29 CEST.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Książno, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

September temperatures in Książno vary between a high-temperature of 19.5°C (67.1°F) and a low-temperature of 11.2°C (52.2°F).

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

In September, in Książno, the rain falls for 10.6 days. Throughout September, 24mm (0.94") of precipitation is accumulated.

In Książno, Poland, snow does not fall in June through October.

The average day length in September in Książno, Poland, is 12h and 40min.

On the first day of September in Książno, sunrise is at 06:02 and sunset at 19:37. On the last day of the month, sunrise is at 06:50 and sunset at 18:29 CEST.

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

In September, the average daily maximum UV index in Książno, Poland, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Książno, Poland

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September
Książno, Poland

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in September
Książno, Poland

  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in September
Książno, Poland

  • Average humidity in September: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Książno, Poland

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Książno, Poland

  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September
Książno, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (64mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Książno, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Książno, Poland

  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Książno, Poland

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Książno, Poland

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Książno, Poland

  • Average visibility in September: 9km

The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).