September weather forecastKalna, Poland
September
Weather in September
September, the first month of the autumn in Kalna, is still a comfortable month, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 9.5°C (49.1°F).Temperature
Kalna's progression into September involves a drop in the average high-temperature, receding from a moderately hot 24.1°C (75.4°F) in August to a comfortable 18.2°C (64.8°F). The nights of September anticipate an average low-temperature of 9.5°C (49.1°F).Humidity
The average relative humidity in September in Kalna is 76%.Rainfall
In Kalna, in September, it is raining for 14.6 days, with typically 52mm (2.05") of accumulated precipitation. In Kalna, during the entire year, the rain falls for 172.8 days and collects up to 645mm (25.39") of precipitation.Snowfall
In Kalna, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 05:59 and sunset at 19:27. On the last day of the month, sunrise is at 06:42 and sunset at 18:24 CEST.
Sunshine
The average sunshine in September in Kalna is 8.4h.UV index
In Kalna, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalna, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Kalna, Poland
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are October and December (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).
Average wind speed in September
Kalna, Poland
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Kalna, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Kalna, Poland
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is November (30mm).
Average rainfall days in September
Kalna, Poland
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Kalna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kalna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kalna, Poland
- Average daylight in September: 12h and 36min
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 12min).
- 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 February (Average sunshine: 3h and 30min).
Average sunshine days in September
Kalna, Poland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (5.8 days).
Average UV index in September
Kalna, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Kalna, Poland
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Kalna, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





