September weather forecast
Cisowo, Poland

September

Weather in September

September, the first month of the autumn in Cisowo, is also an enjoyable month, with an average temperature ranging between max 17.8°C (64°F) and min 12.9°C (55.2°F).

Temperature

Cisowo records a mild change in average high-temperature during September, easing from a pleasant 21.6°C (70.9°F) in August to an enjoyable 17.8°C (64°F). Cisowo's nocturnal average in September closely mirrors its daytime temperatures, settling at a fresh 12.9°C (55.2°F).

Humidity

The average relative humidity in September in Cisowo is 75%.

Rainfall

In Cisowo, in September, during 11.7 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Cisowo, there are 141 rainfall days, and 379mm (14.92") of precipitation is accumulated.

Snowfall

In Cisowo, Poland, snow does not fall in May through October.

Daylight

In Cisowo, the average length of the day in September is 12h and 43min.
On the first day of September, sunrise is at 06:02 and sunset at 19:45. On the last day of the month, sunrise is at 06:55 and sunset at 18:32 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What are September temperatures in Cisowo?
The high-temperature, in September, in Cisowo, is 17.8°C (64°F), while the low-temperature averages to 12.9°C (55.2°F).
What is the average humidity in September in Cisowo?
In Cisowo, Poland, the average relative humidity in September is 75%.
How much does it rain in Cisowo in September?
In Cisowo, Poland, during September, the rain falls for 11.7 days and regularly aggregates up to 35mm (1.38") of precipitation.
When it does not snow in Cisowo?
May through October are months without snowfall in Cisowo, Poland.
What is the average length of the day in September in Cisowo?
In September, the average day length is 12h and 43min.
What time are sunrise and sunset in September in Cisowo?
On the first day of September in Cisowo, Poland, sunrise is at 06:02 and sunset at 19:45. On the last day of the month, sunrise is at 06:55 and sunset at 18:32 CEST.
How long on average sun shines in September in Cisowo?
In Cisowo, the average sunshine duration in September is 8.5h.
What is the UV index intensity in September in Cisowo?
In Cisowo, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Cisowo, Poland
  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).

Average pressure in September
Cisowo, Poland
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is October (1016.2mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).

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

The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is June (16.3km/h).

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

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
Cisowo, Poland
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in September
Cisowo, Poland
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is December (15.2 days).
The month with the least rainy days is April (8.9 days).

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

The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (8.8 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
Cisowo, Poland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 0min).

Average sunshine days in September
Cisowo, Poland
  • Average sunshine days in September: 16 days

The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (9.5 days).

Average UV index in September
Cisowo, 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 December (UV index 1).

Average cloud cover in September
Cisowo, Poland
  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).

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

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

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