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
Sietesz's weather in September involves a decrease in the average high-temperature, moving down from August's moderately hot 25.8°C (78.4°F) to a pleasant 20°C (68°F). In Sietesz, the September nights cool down to an average low of 9.8°C (49.6°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In Sietesz, Poland, during September, the rain falls for 8.9 days and regularly aggregates up to 16mm (0.63") of precipitation. In Sietesz, during the entire year, the rain falls for 124.8 days and collects up to 295mm (11.61") of precipitation.Snowfall
In Sietesz, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 05:46 and sunset at 19:14. On the last day of September, in Sietesz, sunrise is at 06:29 and sunset at 18:11 CEST.
Sunshine
In September, the average sunshine in Sietesz is 7.9h.UV index
In Sietesz, Poland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sietesz?
What is the average humidity in September in Sietesz?
How much does it rain in Sietesz in September?
When it does not snow in Sietesz?
Does it snow in Sietesz in September?
What is the average length of the day in September in Sietesz?
What time are sunrise and sunset in September in Sietesz?
How long on average sun shines in September in Sietesz?
What is the UV index reading in September in Sietesz?
Average temperature in September
Sietesz, Poland
- Average high temperature in September: 20°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in September
Sietesz, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Sietesz, Poland
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Sietesz, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Sietesz, Poland
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Sietesz, Poland
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Sietesz, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (54mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sietesz, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sietesz, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Sietesz, Poland
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Sietesz, Poland
- Average UV index in September: 3
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
Sietesz, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sietesz, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
