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
The decrease of average high-temperatures is mild in September, with a decline from a warm 24.8°C (76.6°F) in August to a refreshing 19.3°C (66.7°F). Throughout September, Lisna experiences a low-temperature average of 10.7°C (51.3°F).Humidity
In Lisna, the average relative humidity in September is 72%.Rainfall
In Lisna, in September, during 11.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Lisna, during the entire year, the rain falls for 166.9 days and collects up to 477mm (18.78") of precipitation.Snowfall
In Lisna, snow does not fall in June through September.Daylight
The average length of the day in September in Lisna is 12h and 39min.On the first day of September in Lisna, sunrise is at 05:51 and sunset at 19:25. On the last day of the month, sunrise is at 06:38 and sunset at 18:18 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during September leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the temperature in September in Lisna?
What is the average humidity in September in Lisna?
How many days does it rain in September in Lisna?
When it does not snow in Lisna?
Does it snow in Lisna in September?
What is the average length of the day in September in Lisna?
When are sunrise and sunset in September in Lisna?
How long on average sun shines in September in Lisna?
What is the UV index reading in September in Lisna?
Average temperature in September
Lisna, Poland
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Lisna, Poland
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Lisna, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Lisna, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Lisna, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Lisna, Poland
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Lisna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lisna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lisna, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Lisna, Poland
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Lisna, 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 and December (UV index 1).
Average cloud cover in September
Lisna, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Lisna, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
Lisna, Poland
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