September weather forecastCetty, Poland
September
Weather in September
September, the first month of the autumn in Cetty, is still a refreshing month, with an average temperature ranging between min 11°C (51.8°F) and max 19.2°C (66.6°F).Temperature
As Cetty enters September, the average high-temperature decreases from the a warm 24.7°C (76.5°F) of August to a comfortable 19.2°C (66.6°F). Throughout the month of September, Cetty observes an average nighttime temperature of 11°C (51.8°F).Humidity
In Cetty, the average relative humidity in September is 71%.Rainfall
In Cetty, in September, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation. In Cetty, during the entire year, the rain falls for 137.4 days and collects up to 321mm (12.64") of precipitation.Snowfall
In Cetty, snow does not fall in June through September.Daylight
In Cetty, the average length of the day in September is 12h and 40min.On the first day of September in Cetty, Poland, sunrise is at 05:56 and sunset at 19:31. On the last day of the month, sunrise is at 06:44 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine in Cetty is 8.3h.UV index
The average daily maximum UV index in September in Cetty is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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
Cetty, 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).
