September weather forecastGrębociny, Poland
September
Weather in September
September, the first month of the autumn in Grębociny, is also an enjoyable month, with an average temperature ranging between max 19.3°C (66.7°F) and min 11.2°C (52.2°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a warm 24.9°C (76.8°F) in August to an enjoyable 19.3°C (66.7°F). During September, Grębociny experiences an average low-temperature of 11.2°C (52.2°F) at night.Humidity
In September, the average relative humidity is 71%.Rainfall
In Grębociny, during September, the rain falls for 9.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Grębociny, during the entire year, the rain falls for 122.8 days and collects up to 325mm (12.8") of precipitation.Snowfall
In Grębociny, Poland, snow does not fall in May through September.Daylight
In Grębociny, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 05:56 and sunset at 19:29. On the last day of the month, sunrise is at 06:42 and sunset at 18:22 CEST.
Sunshine
In September, the average sunshine in Grębociny is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grębociny, Poland
- Average high temperature in September: 19.3°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°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Grębociny, Poland
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in September
Grębociny, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Grębociny, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Grębociny, Poland
- Average rainfall in September: 25mm
The wettest months (with the highest rainfall) are May and July (37mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Grębociny, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (13.4 days).
The months with the least rainy days are January and November (7.9 days).
Average snowfall in September
Grębociny, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (89mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grębociny, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grębociny, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Grębociny, Poland
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Grębociny, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Grębociny, 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 31).
Average visibility in September
Grębociny, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





