September weather forecastBartoszylas, Poland
September
Weather in September
September, the first month of the autumn in Bartoszylas, is still a refreshing month, with an average temperature varying between 18.5°C (65.3°F) and 10.4°C (50.7°F).Temperature
September implies a gentle temperature shift, with average high-temperatures reducing from August's warm 23.8°C (74.8°F) to an enjoyable 18.5°C (65.3°F). During the nights in September, Bartoszylas observes an average low-temperature of 10.4°C (50.7°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Bartoszylas, Poland, in September, it is raining for 12.7 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 152.8 rainfall days, and 397mm (15.63") of precipitation is accumulated.Snowfall
In Bartoszylas, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 42min.On the first day of September in Bartoszylas, sunrise is at 05:56 and sunset at 19:38. On the last day of the month, sunrise is at 06:48 and sunset at 18:26 CEST.
Sunshine
In Bartoszylas, the average sunshine in September is 8h.UV index
In Bartoszylas, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during September leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bartoszylas, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Bartoszylas, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Bartoszylas, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Bartoszylas, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Bartoszylas, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Bartoszylas, Poland
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Bartoszylas, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bartoszylas, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bartoszylas, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Bartoszylas, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Bartoszylas, 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
Bartoszylas, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Bartoszylas, 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 (7km).
