September weather forecastKałmy, Poland
September
Weather in September
September, the first month of the autumn in Kałmy, is still a refreshing month, with an average temperature fluctuating between 18.2°C (64.8°F) and 9.5°C (49.1°F).Temperature
With September's onset, the average high-temperature recedes from August's moderately hot 23.5°C (74.3°F) to a comfortable 18.2°C (64.8°F). Kałmy usually reports an average low-temperature of 9.5°C (49.1°F) during the month of September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Kałmy, Poland, during September, the rain falls for 12.8 days and regularly aggregates up to 28mm (1.1") of precipitation. In Kałmy, Poland, during the entire year, the rain falls for 154.2 days and collects up to 430mm (16.93") of precipitation.Snowfall
In Kałmy, snow does not fall in June through September.Daylight
In September, the average length of the day in Kałmy, Poland, is 12h and 42min.On the first day of the month, sunrise is at 05:44 and sunset at 19:26. On the last day of September, in Kałmy, sunrise is at 06:36 and sunset at 18:13 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Kałmy is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kałmy, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Kałmy, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Kałmy, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Kałmy, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Kałmy, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Kałmy, Poland
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Kałmy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kałmy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kałmy, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Kałmy, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Kałmy, Poland
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Kałmy, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Kałmy, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
