September weather forecast
Sędańsk, Poland

September

Weather in September

September, the first month of the autumn in Sędańsk, is still a refreshing month, with an average temperature fluctuating between 9.8°C (49.6°F) and 18.3°C (64.9°F).

Temperature

With September's arrival, Sędańsk sees a decrease in average high-temperatures, moving from a moderately hot 23.7°C (74.7°F) in August to a comfortable 18.3°C (64.9°F). Sędańsk experiences a nighttime temperature average of 9.8°C (49.6°F) during September.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Sędańsk, in September, it is raining for 13.5 days, with typically 29mm (1.14") of accumulated precipitation. In Sędańsk, during the entire year, the rain falls for 155.1 days and collects up to 414mm (16.3") of precipitation.

Snowfall

June through September are months without snowfall in Sędańsk.

Daylight

In September, the average length of the day is 12h and 41min.
On the first day of the month, sunrise is at 05:46 and sunset at 19:26. On the last day of September, in Sędańsk, sunrise is at 06:37 and sunset at 18:15 CEST.

Sunshine

In Sędańsk, the average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in September translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the temperatures in Sędańsk in September?
The high-temperature, in September, in Sędańsk, is 18.3°C (64.9°F), while the low-temperature averages to 9.8°C (49.6°F).
What is the average humidity in September in Sędańsk?
In Sędańsk, the average relative humidity in September is 75%.
How much does it rain in Sędańsk in September?
In Sędańsk, in September, during 13.5 rainfall days, 29mm (1.14") of precipitation is typically accumulated.
When it does not snow in Sędańsk?
June through September are months without snowfall in Sędańsk.
Does it snow in Sędańsk in September?
In Sędańsk, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Sędańsk?
The average day length in September in Sędańsk, Poland, is 12h and 41min.
When is the sunrise / sunset in September in Sędańsk?
In September, on the first day of the month, sunrise is at 05:46 and sunset at 19:26. On the last day of the month, sunrise is at 06:37 and sunset at 18:15 CEST.
How many hours of sunshine does Sędańsk have in September?
In September, the average sunshine duration in Sędańsk is 7.7h.
What is the UV index intensity in September in Sędańsk?
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Sędańsk, Poland
  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).

Average pressure in September
Sędańsk, Poland
  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Sędańsk, Poland
  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in September
Sędańsk, Poland
  • Average humidity in September: 75%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Sędańsk, Poland
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).

Average rainfall days in September
Sędańsk, Poland
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Sędańsk, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Sędańsk, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sędańsk, Poland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in September
Sędańsk, Poland
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in September
Sędańsk, Poland
  • Average UV index in September: 3

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, February, November and December (UV index 1).

Average cloud cover in September
Sędańsk, Poland
  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Sędańsk, 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).

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