September weather forecastKosemin, Poland
September
Weather in September
September, the first month of the autumn in Kosemin, is also an enjoyable month, with temperature in the range of an average low of 10.2°C (50.4°F) and an average high of 18.4°C (65.1°F).Temperature
The start of September involves a temperature drop, moving from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 18.4°C (65.1°F). September nights observe an average temperature dip to a cool 10.2°C (50.4°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In September, in Kosemin, the rain falls for 9.5 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 126.8 rainfall days, and 277mm (10.91") of precipitation is accumulated.Snowfall
In Kosemin, snow does not fall in May through September.Daylight
The average length of the day in September in Kosemin is 12h and 40min.On the first day of the month, sunrise is at 05:51 and sunset at 19:28. On the last day of September, sunrise is at 06:40 and sunset at 18:19 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kosemin, Poland
- Average high temperature in September: 18.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Kosemin, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Kosemin, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Kosemin, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Kosemin, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Kosemin, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Kosemin, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kosemin, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kosemin, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Kosemin, Poland
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Kosemin, 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 January, November and December (UV index 1).
Average cloud cover in September
Kosemin, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Kosemin, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





