September weather forecastSudwa, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Sudwa, Poland, with an average temperature ranging between max 18.3°C (64.9°F) and min 9.8°C (49.6°F).Temperature
The onset of September entails a temperature shift, as the average high-temperature decreases from a warm 23.7°C (74.7°F) in August to a refreshing 18.3°C (64.9°F). During September, Sudwa's temperature falls to a steady low-temperature average of 9.8°C (49.6°F).Humidity
The average relative humidity in September is 75%.Rainfall
In Sudwa, in September, during 13.5 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Sudwa, Poland, during the entire year, the rain falls for 155.1 days and collects up to 414mm (16.3") of precipitation.Snowfall
In Sudwa, Poland, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 05:48 and sunset at 19:28. On the last day of the month, sunrise is at 06:39 and sunset at 18:17 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sudwa, Poland
- Average high temperature in September: 18.3°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 (-1.1°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).
Average pressure in September
Sudwa, Poland
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Sudwa, Poland
- Average wind speed in September: 11.3km/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 (9.9km/h).
Average humidity in September
Sudwa, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Sudwa, Poland
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).
Average rainfall days in September
Sudwa, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Sudwa, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sudwa, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sudwa, 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 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Sudwa, Poland
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in September
Sudwa, 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
Sudwa, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Sudwa, 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).





