September weather forecastKiersy, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kiersy, Poland, with an average temperature fluctuating between 11.4°C (52.5°F) and 17.9°C (64.2°F).Temperature
The onset of September brings a small shift in high-temperatures, falling from a pleasant 22.8°C (73°F) in August to a refreshing 17.9°C (64.2°F). Kiersy experiences an average low-temperature reading of 11.4°C (52.5°F) throughout September.Humidity
In Kiersy, the average relative humidity in September is 75%.Rainfall
In Kiersy, in September, it is raining for 11.9 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Kiersy, there are 157.3 rainfall days, and 407mm (16.02") of precipitation is accumulated.Snowfall
In Kiersy, snow does not fall in June through October.Daylight
In Kiersy, the average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 05:48 and sunset at 19:31. On the last day of the month, sunrise is at 06:41 and sunset at 18:18 CEST.
Sunshine
In Kiersy, the average sunshine in September is 8.3h.UV index
In Kiersy, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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
Kiersy, 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).
