September weather forecastGrotowo, Poland
September
Weather in September
September, the first month of the autumn in Grotowo, is also an enjoyable month, with an average temperature varying between 17.6°C (63.7°F) and 11°C (51.8°F).Temperature
September brings a slight decrease in temperature, down from a pleasant 22.3°C (72.1°F) in August to an enjoyable 17.6°C (63.7°F). In September, the temperature drops to an average of 11°C (51.8°F) at night.Humidity
In Grotowo, Poland, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 15.8 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Grotowo, during the entire year, the rain falls for 177 days and collects up to 532mm (20.94") of precipitation.Snowfall
In Grotowo, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 05:47 and sunset at 19:29. On the last day of the month, sunrise is at 06:39 and sunset at 18:17 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In September, the average daily maximum UV index in Grotowo is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grotowo, Poland
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Grotowo, Poland
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Grotowo, Poland
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).
Average humidity in September
Grotowo, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grotowo, Poland
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Grotowo, Poland
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Grotowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grotowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grotowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 48min).
Average sunshine days in September
Grotowo, Poland
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Grotowo, 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 and December (UV index 1).
Average cloud cover in September
Grotowo, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Grotowo, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (8km).
