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
The start of September signals a decrease in the average high-temperature, transitioning from a warm 24.3°C (75.7°F) in August to a refreshing 18.7°C (65.7°F). Prostyń records a steady low-temperature average of 9.9°C (49.8°F) during September.Humidity
The average relative humidity in September in Prostyń is 74%.Rainfall
In Prostyń, Poland, in September, during 13.8 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Prostyń, there are 148.8 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Prostyń.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 05:43 and sunset at 19:20. On the last day of September, sunrise is at 06:32 and sunset at 18:11 CEST.
Sunshine
In Prostyń, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Prostyń in September?
What is the average humidity in September in Prostyń?
How many days does it rain in September in Prostyń?
When it does not snow in Prostyń?
Does it snow in Prostyń in September?
How many hours of daylight does Prostyń have in September?
What time are sunrise and sunset in September in Prostyń?
How many hours of sunshine does Prostyń have in September?
How high is the UV index in September in Prostyń?
Average temperature in September
Prostyń, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in September
Prostyń, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Prostyń, Poland
- Average wind speed in September: 11.5km/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 (10.1km/h).
Average humidity in September
Prostyń, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Prostyń, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in September
Prostyń, Poland
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Prostyń, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Prostyń, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Prostyń, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in September
Prostyń, Poland
- Average sunshine days in September: 13.8 days
The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Prostyń, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Prostyń, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Prostyń, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
