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 arrival coincides with a drop in the average high-temperature, decreasing from August's warm 24.3°C (75.7°F) to a refreshing 18.7°C (65.7°F). Świecie nad Osą experiences a mean temperature of 10.7°C (51.3°F) during September nights.Humidity
In September, the average relative humidity is 72%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 141.7 rainfall days, and 351mm (13.82") of precipitation is accumulated.Snowfall
In Świecie nad Osą, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 05:53 and sunset at 19:33. On the last day of the month, sunrise is at 06:44 and sunset at 18:22 CEST.
Sunshine
In September, the average sunshine in Świecie nad Osą is 8h.UV index
In September, the average daily maximum UV index in Świecie nad Osą is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Świecie nad Osą in September?
What is the average humidity in September in Świecie nad Osą?
How many days does it rain in September in Świecie nad Osą?
When it does not snow in Świecie nad Osą?
What is the average length of the day in September in Świecie nad Osą?
What time are sunrise and sunset in September in Świecie nad Osą?
How long on average sun shines in September in Świecie nad Osą?
What is the UV index intensity in September in Świecie nad Osą?
Average temperature in September
Świecie nad Osą, Poland
- Average high temperature in September: 18.7°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 (-0.1°C).
- Average low temperature in September: 10.7°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 (-3.3°C).
Average pressure in September
Świecie nad Osą, Poland
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in September
Świecie nad Osą, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Świecie nad Osą, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and August (68%).
Average rainfall in September
Świecie nad Osą, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Świecie nad Osą, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (9.3 days).
Average snowfall in September
Świecie nad Osą, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Świecie nad Osą, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Świecie nad Osą, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 0min
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
Świecie nad Osą, Poland
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Świecie nad Osą, 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
Świecie nad Osą, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Świecie nad Osą, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
Świecie nad Osą, Poland
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