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
Arrival of September comes with a reduction in the average high-temperature, falling from a warm 24.9°C (76.8°F) in August to a refreshing 19°C (66.2°F). During September, Alwernia records a consistent average nighttime temperature of 10.4°C (50.7°F).Humidity
In Alwernia, the average relative humidity in September is 73%.Rainfall
In September, in Alwernia, Poland, the rain falls for 12.6 days. Throughout September, 42mm (1.65") of precipitation is accumulated. Throughout the year, in Alwernia, there are 156.4 rainfall days, and 493mm (19.41") of precipitation is accumulated.Snowfall
In Alwernia, snow does not fall in June through September.Daylight
In Alwernia, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 05:57 and sunset at 19:25. On the last day of September, in Alwernia, sunrise is at 06:41 and sunset at 18:22 CEST.
Sunshine
In September, the average sunshine in Alwernia, Poland, is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alwernia in September?
What is the average humidity in September in Alwernia?
How much does it rain in Alwernia in September?
When it does not snow in Alwernia?
Does it snow in Alwernia in September?
What is the average length of the day in September in Alwernia?
What time are sunrise and sunset in September in Alwernia?
How many hours of sunshine does Alwernia have in September?
What is the UV index intensity in September in Alwernia?
Average temperature in September
Alwernia, Poland
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Alwernia, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in September
Alwernia, Poland
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Alwernia, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Alwernia, Poland
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Alwernia, Poland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Alwernia, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alwernia, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alwernia, 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: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Alwernia, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (7.4 days).
Average UV index in September
Alwernia, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Alwernia, Poland
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Alwernia, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
