Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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
What are the temperatures in Książno in September?
What is the average humidity in September in Książno?
How much does it rain in Książno in September?
When it does not snow in Książno?
What is the average length of the day in September in Książno?
When are sunrise and sunset in September in Książno?
How many hours of sunshine does Książno have in September?
What is the UV index intensity in September in Książno?
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 4min
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 2min
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).
Książno, Poland
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