September weather forecastJemna, Poland
September
Weather in September
September, the first month of the autumn in Jemna, is still a refreshing month, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 18.5°C (65.3°F).Temperature
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 24°C (75.2°F) to a refreshing 18.5°C (65.3°F). Jemna experiences an average low-temperature reading of 10.3°C (50.5°F) throughout September.Humidity
The average relative humidity in September is 74%.Rainfall
In Jemna, in September, during 11.4 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 139.3 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Jemna.Daylight
In September, the average length of the day in Jemna is 12h and 37min.On the first day of the month, sunrise is at 06:08 and sunset at 19:38. On the last day of September, in Jemna, sunrise is at 06:52 and sunset at 18:33 CEST.
Sunshine
In Jemna, Poland, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jemna, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Jemna, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Jemna, Poland
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Jemna, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Jemna, Poland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in September
Jemna, Poland
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in September
Jemna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jemna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jemna, 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 6min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Jemna, Poland
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19 days).
The months with the least sunshine days are May and June (10.8 days).
Average UV index in September
Jemna, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Jemna, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Jemna, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).
