September weather forecastUlim, Poland
September
Weather in September
September, the first month of the autumn in Ulim, is still a comfortable month, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 11.3°C (52.3°F).Temperature
September implies a gentle temperature shift, with average high-temperatures reducing from August's moderately hot 24.5°C (76.1°F) to a refreshing 19.3°C (66.7°F). Ulim's temperature in September lowers to a consistent average of 11.3°C (52.3°F) during the nights.Humidity
In September, the average relative humidity in Ulim is 73%.Rainfall
In September, in Ulim, the rain falls for 10.4 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Ulim, during the entire year, the rain falls for 140.9 days and collects up to 327mm (12.87") of precipitation.Snowfall
May through October are months without snowfall in Ulim.Daylight
In Ulim, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:10 and sunset at 19:47. On the last day of September, in Ulim, sunrise is at 06:59 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September in Ulim, Poland, is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ulim, Poland
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Ulim, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in September
Ulim, Poland
- Average wind speed in September: 11.6km/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 (10.9km/h).
Average humidity in September
Ulim, Poland
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Ulim, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Ulim, Poland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Ulim, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ulim, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ulim, 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: 8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Ulim, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Ulim, Poland
- Average UV index in September: 4
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 and November (UV index 1).
Average cloud cover in September
Ulim, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Ulim, Poland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).





