September weather forecastKostrogaj, Poland
September
Weather in September
September, the first month of the autumn in Kostrogaj, is still a comfortable month, with an average temperature varying between 10.5°C (50.9°F) and 19.1°C (66.4°F).Temperature
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 24.7°C (76.5°F) to a refreshing 19.1°C (66.4°F). The low-temperature average for Kostrogaj during September stands at a cool 10.5°C (50.9°F).Humidity
The average relative humidity in September in Kostrogaj is 72%.Rainfall
In Kostrogaj, Poland, in September, during 9.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 138.8 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Kostrogaj.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September, sunrise is at 05:52 and sunset at 19:29. On the last day of the month, sunrise is at 06:41 and sunset at 18:20 CEST.
Sunshine
In Kostrogaj, Poland, the average sunshine in September is 8h.UV index
In Kostrogaj, Poland, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kostrogaj, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Kostrogaj, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Kostrogaj, Poland
- Average wind speed in September: 12.1km/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
Kostrogaj, 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
Kostrogaj, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Kostrogaj, Poland
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Kostrogaj, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kostrogaj, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kostrogaj, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Kostrogaj, Poland
- Average sunshine days in September: 18 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Kostrogaj, Poland
- Average UV index in September: 4
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 and December (UV index 1).
Average cloud cover in September
Kostrogaj, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Kostrogaj, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





