September weather forecastSieniec, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sieniec, Poland, with an average temperature fluctuating between 11.3°C (52.3°F) and 19.4°C (66.9°F).Temperature
Sieniec's September weather features a mild decline in high-temperatures, reducing from a warm 25°C (77°F) in August to an enjoyable 19.4°C (66.9°F). In the month of September, the nighttime temperature in Sieniec dips to a steady average of 11.3°C (52.3°F).Humidity
In September, the average relative humidity in Sieniec, Poland, is 71%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, in Sieniec, there are 121.3 rainfall days, and 317mm (12.48") of precipitation is accumulated.Snowfall
In Sieniec, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 05:59 and sunset at 19:31. On the last day of September, in Sieniec, sunrise is at 06:45 and sunset at 18:25 CEST.
Sunshine
The average sunshine in September in Sieniec is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sieniec, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Sieniec, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Sieniec, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).
Average humidity in September
Sieniec, 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 (64%).
Average rainfall in September
Sieniec, Poland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).
Average rainfall days in September
Sieniec, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Sieniec, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sieniec, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sieniec, 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: 8h and 0min).
- Average sunshine in September: 8h and 24min
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 12min).
Average sunshine days in September
Sieniec, Poland
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in September
Sieniec, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Sieniec, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sieniec, 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 (7km).
