September weather forecastKiersiny, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kiersiny, Poland, with an average temperature ranging between max 17.9°C (64.2°F) and min 11.4°C (52.5°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's agreeable 22.8°C (73°F) to an enjoyable 17.9°C (64.2°F). September nights are marked by an average low-temperature of 11.4°C (52.5°F).Humidity
In September, the average relative humidity in Kiersiny is 75%.Rainfall
In Kiersiny, Poland, during September, the rain falls for 11.9 days and regularly aggregates up to 25mm (0.98") of precipitation. In Kiersiny, during the entire year, the rain falls for 157.3 days and collects up to 407mm (16.02") of precipitation.Snowfall
In Kiersiny, Poland, snow does not fall in June through October.Daylight
In Kiersiny, Poland, the average length of the day in September is 12h and 42min.On the first day of September in Kiersiny, sunrise is at 05:48 and sunset at 19:30. On the last day of the month, sunrise is at 06:40 and sunset at 18:18 CEST.
Sunshine
The average sunshine in September in Kiersiny is 8.3h.UV index
In Kiersiny, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiersiny, Poland
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Kiersiny, Poland
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Kiersiny, Poland
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest months (with the lowest average wind speed) are June and August (12.4km/h).
Average humidity in September
Kiersiny, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Kiersiny, Poland
- Average rainfall in September: 25mm
The wettest months (with the highest rainfall) are May and July (45mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Kiersiny, Poland
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Kiersiny, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Kiersiny, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kiersiny, 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 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Kiersiny, Poland
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Kiersiny, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Kiersiny, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Kiersiny, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, August, September and October (10km).
The month with the lowest visibility is January (8km).
