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 shift to September brings a decrease in the average high-temperature, falling from a warm 24.8°C (76.6°F) in August to a refreshing 19.2°C (66.6°F). In the month of September, Retki experiences an average low-temperature of 10.6°C (51.1°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In Retki, Poland, in September, it is raining for 11.5 days, with typically 28mm (1.1") of accumulated precipitation. In Retki, Poland, during the entire year, the rain falls for 156 days and collects up to 403mm (15.87") of precipitation.Snowfall
June through September are months without snowfall in Retki.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 05:53 and sunset at 19:27. On the last day of the month, sunrise is at 06:40 and sunset at 18:20 CEST.
Sunshine
The average sunshine in September in Retki is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Retki?
What is the average humidity in September in Retki?
How many days does it rain in September in Retki?
When it does not snow in Retki?
Does it snow in Retki in September?
How many hours of daylight does Retki have in September?
What time are sunrise and sunset in September in Retki?
How many hours of sunshine does Retki have in September?
What is the UV index reading in September in Retki?
Average temperature in September
Retki, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Retki, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Retki, Poland
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Retki, 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 (67%).
Average rainfall in September
Retki, Poland
- Average rainfall in September: 28mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Retki, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Retki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Retki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Retki, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 1min
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
Retki, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Retki, 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 and December (UV index 1).
Average cloud cover in September
Retki, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Retki, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
