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 comes with a decrease in the average high-temperature, falling from a warm 25.4°C (77.7°F) in August to a comfortable 19.4°C (66.9°F). Piątków's average low-temperature for the month of September records at a cool 10.8°C (51.4°F).Humidity
The average relative humidity in September is 72%.Rainfall
In Piątków, during September, the rain falls for 9.6 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, there are 126.9 rainfall days, and 366mm (14.41") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:46 and sunset at 19:19. On the last day of September, sunrise is at 06:32 and sunset at 18:12 CEST.
Sunshine
In Piątków, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Piątków?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Piątków, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Piątków, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Piątków, Poland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Piątków, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Piątków, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is November (17mm).
Average rainfall days in September
Piątków, Poland
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Piątków, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Piątków, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Piątków, 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: 7h and 54min).
- 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 36min).
Average sunshine days in September
Piątków, Poland
- Average sunshine days in September: 19 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Piątków, 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
Piątków, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Piątków, 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).
