September weather forecastJaciska, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Jaciska, Poland, with temperature in the range of an average low of 11.2°C (52.2°F) and an average high of 18.9°C (66°F).Temperature
The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 24.7°C (76.5°F) in August to a refreshing 18.9°C (66°F). During September nights, Jaciska witnesses a consistent average temperature of 11.2°C (52.2°F).Humidity
In Jaciska, Poland, the average relative humidity in September is 72%.Rainfall
In Jaciska, in September, it is raining for 14.1 days, with typically 45mm (1.77") of accumulated precipitation. In Jaciska, during the entire year, the rain falls for 172.5 days and collects up to 537mm (21.14") of precipitation.Snowfall
June through September are months without snowfall in Jaciska.Daylight
In September, the average length of the day in Jaciska is 12h and 38min.On the first day of the month, sunrise is at 05:59 and sunset at 19:30. On the last day of September, sunrise is at 06:44 and sunset at 18:25 CEST.
Sunshine
The average sunshine in September in Jaciska is 8.4h.UV index
The average daily maximum UV index in September in Jaciska is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jaciska, Poland
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Jaciska, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Jaciska, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Jaciska, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Jaciska, Poland
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in September
Jaciska, Poland
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Jaciska, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (152mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jaciska, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jaciska, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Jaciska, Poland
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in September
Jaciska, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Jaciska, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Jaciska, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).





