September weather forecastChostka, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Chostka, Poland, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 9.6°C (49.3°F).Temperature
With September's onset, the average high-temperature recedes from August's warm 23.7°C (74.7°F) to a refreshing 18.2°C (64.8°F). Chostka reports a consistent average low-temperature of 9.6°C (49.3°F) throughout September nights.Humidity
In Chostka, the average relative humidity in September is 76%.Rainfall
April and September are months with the least rain in Chostka when the rain falls for 11.3 days and typically aggregates up to 23mm (0.91") of rain.Snowfall
In Chostka, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 05:44 and sunset at 19:24. On the last day of the month, sunrise is at 06:35 and sunset at 18:12 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
In Chostka, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chostka, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Chostka, Poland
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Chostka, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Chostka, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Chostka, Poland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (48mm).
The driest months (with the least rainfall) are April and September (23mm).
Average rainfall days in September
Chostka, Poland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Chostka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chostka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chostka, 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 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Chostka, Poland
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is January (8 days).
Average UV index in September
Chostka, 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, November and December (UV index 1).
Average cloud cover in September
Chostka, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Chostka, 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 and February (7km).





