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
Weather in September
Temperature
September's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 24.3°C (75.7°F) in August to a comfortable 19°C (66.2°F). An average low-temperature of 10.9°C (51.6°F) is expected during September.Humidity
In Retkowo, the average relative humidity in September is 72%.Rainfall
In Retkowo, in September, during 9.6 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Retkowo, Poland, during the entire year, the rain falls for 133.9 days and collects up to 333mm (13.11") of precipitation.Snowfall
In Retkowo, snow does not fall in June through October.Daylight
The average length of the day in September in Retkowo is 12h and 40min.On the first day of the month, sunrise is at 06:00 and sunset at 19:38. On the last day of September, sunrise is at 06:50 and sunset at 18:28 CEST.
Sunshine
In Retkowo, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
Frequently asked questions
What is the usual temperature for Retkowo in September?
What is the average humidity in September in Retkowo?
How many days does it rain in September in Retkowo?
When it does not snow in Retkowo?
How many hours of daylight does Retkowo have in September?
What time are sunrise and sunset in September in Retkowo?
How many hours of sunshine does Retkowo have in September?
What is the UV index reading in September in Retkowo?
Average temperature in September
Retkowo, Poland
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.9°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°C).
Average pressure in September
Retkowo, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.3mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Retkowo, Poland
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Retkowo, Poland
- Average humidity in September: 72%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (67%).
Average rainfall in September
Retkowo, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Retkowo, Poland
- Average rainfall days in September: 9.6 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Retkowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Retkowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Retkowo, 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: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Retkowo, Poland
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Retkowo, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Retkowo, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Retkowo, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February and November (8km).
Retkowo, Poland
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