September weather forecastChojnówek, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Chojnówek, Poland, with an average temperature varying between 9.4°C (48.9°F) and 18.1°C (64.6°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a warm 23.3°C (73.9°F) in August to a comfortable 18.1°C (64.6°F). Chojnówek reports an average nighttime low-temperature of 9.4°C (48.9°F) in September.Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Chojnówek, during the entire year, the rain falls for 155 days and collects up to 436mm (17.17") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Chojnówek is 12h and 41min.On the first day of the month, sunrise is at 05:40 and sunset at 19:20. On the last day of September, in Chojnówek, sunrise is at 06:31 and sunset at 18:09 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Chojnówek is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chojnówek, Poland
- Average high temperature in September: 18.1°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in September
Chojnówek, Poland
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Chojnówek, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Chojnówek, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Chojnówek, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (65mm).
The driest months (with the least rainfall) are February and April (20mm).
Average rainfall days in September
Chojnówek, Poland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Chojnówek, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chojnówek, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chojnówek, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 18min).
Average sunshine days in September
Chojnówek, Poland
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Chojnówek, 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, February, November and December (UV index 1).
Average cloud cover in September
Chojnówek, Poland
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Chojnówek, 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, February and December (7km).





