Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's onset brings a reduction in the average high-temperature, from an agreeable 22.9°C (73.2°F) in August to a comfortable 17.8°C (64°F). The average temperature drops to a frosty 9.7°C (49.5°F) during the night in the month of September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Nielestno, in September, it is raining for 13.5 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 162 rainfall days, and 569mm (22.4") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:11 and sunset at 19:42. On the last day of the month, sunrise is at 06:56 and sunset at 18:37 CEST.
Sunshine
The average sunshine in September is 8.6h.UV index
In Nielestno, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September in Nielestno?
When it does not snow?
Does it snow in September?
How many hours of daylight does Nielestno have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Nielestno have in September?
How high is the UV index in September?
Average temperature in September
Nielestno, Poland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Nielestno, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Nielestno, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Nielestno, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Nielestno, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (73mm).
The driest months (with the least rainfall) are April and November (28mm).
Average rainfall days in September
Nielestno, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Nielestno, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (210mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nielestno, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nielestno, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Nielestno, Poland
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17.3 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in September
Nielestno, 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 November and December (UV index 1).
Average cloud cover in September
Nielestno, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Nielestno, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
