September weather forecast
Wiejkowo, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Wiejkowo, Poland, with an average temperature ranging between min 13.4°C (56.1°F) and max 17.7°C (63.9°F).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 21.4°C (70.5°F) in August to a comfortable 17.7°C (63.9°F). In Wiejkowo, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 13.4°C (56.1°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Wiejkowo, in September, during 10.1 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Wiejkowo, there are 140.2 rainfall days, and 279mm (10.98") of precipitation is accumulated.

Snowfall

In Wiejkowo, snow does not fall in May through October.

Daylight

In September, the average length of the day in Wiejkowo is 12h and 41min.
On the first day of the month, sunrise is at 06:10 and sunset at 19:51. On the last day of September, sunrise is at 07:02 and sunset at 18:39 CEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Wiejkowo, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What is the usual temperature for Wiejkowo in September?
In Wiejkowo, 17.7°C (63.9°F) is the average high-temperature and 13.4°C (56.1°F) is the average low-temperature during September.
What is the average humidity in September in Wiejkowo?
In Wiejkowo, Poland, the average relative humidity in September is 76%.
How many days does it rain in September in Wiejkowo?
In September, the rain falls for 10.1 days. Throughout September, 19mm (0.75") of precipitation is accumulated.
When it does not snow in Wiejkowo?
May through October are months without snowfall.
How many hours of daylight does Wiejkowo have in September?
In September, the average day length is 12h and 41min.
When is the sunrise / sunset in September in Wiejkowo?
In September, on the first day of the month, sunrise is at 06:10 and sunset at 19:51. On the last day of the month, in Wiejkowo, Poland, sunrise is at 07:02 and sunset at 18:39 CEST.
How many hours of sunshine does Wiejkowo have in September?
In Wiejkowo, Poland, the average sunshine duration in September is 8.7h.
What is the UV index intensity in September in Wiejkowo?
In September, the average daily maximum UV index in Wiejkowo, Poland, is 4. A UV Index reading of 3 to 5 represents a medium health risk from 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
Wiejkowo, Poland
  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 13.4°C

The month with the highest average low temperature is August (16.6°C).
The coldest months (with the lowest average low temperature) are January and February (-0.3°C).

Average pressure in September
Wiejkowo, Poland
  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

Average wind speed in September
Wiejkowo, Poland
  • Average wind speed in September: 18.9km/h

The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is August (16.7km/h).

Average humidity in September
Wiejkowo, Poland
  • Average humidity in September: 76%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Wiejkowo, Poland
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in September
Wiejkowo, Poland
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (8.6 days).

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

The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Wiejkowo, 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 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Wiejkowo, Poland
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in September
Wiejkowo, Poland
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Wiejkowo, Poland
  • Average cloud cover in September: 38

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Wiejkowo, Poland
  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).

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