September weather forecastGryglaki, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Gryglaki, Poland, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 11°C (51.8°F).Temperature
In the transition to September, Gryglaki observes a drop in the average high-temperature, moving from a moderately hot 24.7°C (76.5°F) in August to an enjoyable 19.2°C (66.6°F). During the month of September, Gryglaki anticipates a mean low-temperature of 11°C (51.8°F).Humidity
In September, the average relative humidity in Gryglaki is 71%.Rainfall
In Gryglaki, in September, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 137.4 rainfall days, and 321mm (12.64") of precipitation is accumulated.Snowfall
In Gryglaki, snow does not fall in June through September.Daylight
In Gryglaki, Poland, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:57 and sunset at 19:33. On the last day of September, sunrise is at 06:45 and sunset at 18:24 CEST.
Sunshine
In Gryglaki, the average sunshine in September is 8.3h.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 unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gryglaki, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 11°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°C).
Average pressure in September
Gryglaki, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Gryglaki, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Gryglaki, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Gryglaki, Poland
- Average rainfall in September: 24mm
The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Gryglaki, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Gryglaki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gryglaki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gryglaki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- 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 January (Average sunshine: 3h and 0min).
Average sunshine days in September
Gryglaki, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Gryglaki, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Gryglaki, 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
Gryglaki, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).





