September weather forecastBartołdy, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Bartołdy, Poland, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 10.3°C (50.5°F).Temperature
September shows a mild decline in the average high-temperature, falling from August's moderately hot 24.2°C (75.6°F) to an enjoyable 18.7°C (65.7°F). The average temperature during September nights is registered at a cool 10.3°C (50.5°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In Bartołdy, in September, during 10.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Bartołdy, during the entire year, the rain falls for 135.2 days and collects up to 349mm (13.74") of precipitation.Snowfall
In Bartołdy, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 05:47 and sunset at 19:25. On the last day of September, sunrise is at 06:37 and sunset at 18:15 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bartołdy, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Bartołdy, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Bartołdy, Poland
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Bartołdy, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Bartołdy, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Bartołdy, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Bartołdy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bartołdy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bartołdy, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Bartołdy, Poland
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Bartołdy, Poland
- Average UV index in September: 3
The months with the highest UV index are 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
Bartołdy, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Bartołdy, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).





