September weather forecastJaczew, Poland
September
Weather in September
September, the first month of the autumn in Jaczew, is still a refreshing month, with an average temperature varying between 18.9°C (66°F) and 10.5°C (50.9°F).Temperature
The decrease of average high-temperatures is mild in September, with a decline from a warm 24.7°C (76.5°F) in August to an enjoyable 18.9°C (66°F). Jaczew's temperature in September lowers to a consistent average of 10.5°C (50.9°F) during the nights.Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Jaczew is September, when the rain falls for 8.3 days and typically collects 19mm (0.75") of precipitation.Snowfall
June through September are months without snowfall in Jaczew.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 05:44 and sunset at 19:20. On the last day of the month, sunrise is at 06:32 and sunset at 18:12 CEST.
Sunshine
In Jaczew, Poland, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jaczew, Poland
- Average high temperature in September: 18.9°C
The warmest months (with the highest average high temperature) are July and August (24.7°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.5°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Jaczew, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Jaczew, Poland
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Jaczew, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Jaczew, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Jaczew, Poland
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Jaczew, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jaczew, 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
Jaczew, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Jaczew, Poland
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Jaczew, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Jaczew, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Jaczew, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).
