September weather forecastSłomka, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Słomka, Poland, with an average temperature fluctuating between 19.4°C (66.9°F) and 10.1°C (50.2°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a moderately hot 24.9°C (76.8°F) in August to an enjoyable 19.4°C (66.9°F). Throughout the month of September, Słomka witnesses an average low-temperature of 10.1°C (50.2°F).Humidity
In September, the average relative humidity in Słomka, Poland, is 74%.Rainfall
In September, in Słomka, the rain falls for 10.2 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Słomka, Poland, during the entire year, the rain falls for 123.2 days and collects up to 368mm (14.49") of precipitation.Snowfall
June through September are months without snowfall in Słomka, Poland.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 05:53 and sunset at 19:22. On the last day of September, sunrise is at 06:37 and sunset at 18:18 CEST.
Sunshine
In Słomka, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Słomka, Poland, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Słomka, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 10.1°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 (-3.8°C).
Average pressure in September
Słomka, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in September
Słomka, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Słomka, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Słomka, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are January and March (14mm).
Average rainfall days in September
Słomka, Poland
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Słomka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Słomka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Słomka, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 18min
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 18min).
Average sunshine days in September
Słomka, Poland
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Słomka, 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
Słomka, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Słomka, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





