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
September
Weather in September
Temperature
Arrival of September comes with a reduction in the average high-temperature, falling from an agreeable 21.3°C (70.3°F) in August to an enjoyable 16.3°C (61.3°F). In September, the nighttime temperature lowers to an average of 7.1°C (44.8°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, in Łapszanka, the rain falls for 14.5 days. Throughout September, 48mm (1.89") of precipitation is accumulated. Throughout the year, there are 149.2 rainfall days, and 665mm (26.18") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Łapszanka. September is the first month it typically snows in Łapszanka. Throughout September, in the average 0.6 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in Łapszanka, there are 79.9 snowfall days, and 1301mm (51.22") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September, sunrise is at 05:56 and sunset at 19:22. On the last day of the month, sunrise is at 06:38 and sunset at 18:19 CEST.
Sunshine
In Łapszanka, Poland, the average sunshine in September is 8.7h.UV index
In Łapszanka, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Łapszanka in September?
What is the average humidity in September in Łapszanka?
How many days does it rain in September in Łapszanka?
When does it start snowing in Łapszanka?
How many hours of daylight does Łapszanka have in September?
What time are sunrise and sunset in September in Łapszanka?
How many hours of sunshine does Łapszanka have in September?
What is the UV index reading in September in Łapszanka?
Average temperature in September
Łapszanka, Poland
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 7.1°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).
Average pressure in September
Łapszanka, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in September
Łapszanka, Poland
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Łapszanka, Poland
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Łapszanka, Poland
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is May (109mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Łapszanka, Poland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is June (24.5 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Łapszanka, Poland
- Average snowfall in September: 3mm
The month with the highest snowfall is December (248mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Łapszanka, Poland
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Łapszanka, Poland
- Average daylight in September: 12h and 4min
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 18min).
- Average sunshine in September: 8h and 4min
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 48min).
Average sunshine days in September
Łapszanka, Poland
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (4.1 days).
Average UV index in September
Łapszanka, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Łapszanka, Poland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Łapszanka, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January and February (6km).
