September weather forecast
Kletno, Poland

September

Weather in September

September, the first month of the autumn in Kletno, is still a refreshing month, with an average temperature varying between 63.5°F and 48.2°F.

Temperature

Welcoming September, Kletno observes a shift in the average high-temperature, falling from August's pleasant 73.2°F to an enjoyable 63.5°F. Throughout September, Kletno's nights cool down to an average of 48.2°F.

Humidity

In Kletno, Poland, the average relative humidity in September is 78%.

Rainfall

In Kletno, in September, during 14.3 rainfall days, 1.73" of precipitation is typically accumulated. In Kletno, Poland, during the entire year, the rain falls for 180.1 days and collects up to 24.09" of precipitation.

Snowfall

In Kletno, snow does not fall in June through September.

Daylight

In Kletno, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:08 and sunset at 19:36. On the last day of September, sunrise is at 06:51 and sunset at 18:32 CEST.

Sunshine

The average sunshine in September in Kletno is 8.4h.

UV index

In Kletno, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What are September temperatures in Kletno?
The high-temperature, in September, in Kletno, records 63.5°F, while the low-temperature is 48.2°F.
What is the average humidity in September in Kletno?
In September, the average relative humidity is 78%.
How much does it rain in Kletno in September?
In Kletno, in September, it is raining for 14.3 days, with typically 1.73" of accumulated precipitation.
When it does not snow in Kletno?
June through September are months without snowfall in Kletno, Poland.
Does it snow in Kletno in September?
In Kletno, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Kletno?
In Kletno, the average day length in September is 12h and 37min.
When is the sunrise / sunset in September in Kletno?
In September, on the first day of the month, sunrise is at 06:08 and sunset at 19:36. On the last day of the month, in Kletno, Poland, sunrise is at 06:51 and sunset at 18:32 CEST.
How many hours of sunshine does Kletno have in September?
In Kletno, the average sunshine duration in September is 8.4h.
How high is the UV index in September in Kletno?
In Kletno, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
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
Kletno, Poland
  • Average high temperature in September: 63.5°F

The warmest month (with the highest average high temperature) is August (73.2°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in September
Kletno, Poland
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is October (30.07"Hg).
The month with the lowest atmospheric pressure is July (29.97"Hg).

Average wind speed in September
Kletno, Poland
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is December (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Kletno, Poland
  • Average humidity in September: 78%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Kletno, Poland
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in September
Kletno, Poland
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is February (9.8 days).

Average snowfall in September
Kletno, Poland
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").

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

The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Kletno, Poland
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (5.7 days).

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

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

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

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Kletno, Poland
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).

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