September weather forecast
Granowiec, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Granowiec, Poland, with an average temperature fluctuating between 11.3°C (52.3°F) and 19.7°C (67.5°F).

Temperature

Granowiec's average high-temperature decreases in September, falling from a warm 24.8°C (76.6°F) in August to a refreshing 19.7°C (67.5°F). Granowiec in September experiences a low-temperature average of 11.3°C (52.3°F).

Humidity

The average relative humidity in September in Granowiec is 72%.

Rainfall

In Granowiec, Poland, during September, the rain falls for 12.3 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Granowiec, there are 150.8 rainfall days, and 387mm (15.24") of precipitation is accumulated.

Snowfall

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

Daylight

In Granowiec, Poland, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:02 and sunset at 19:35. On the last day of September, sunrise is at 06:49 and sunset at 18:29 CEST.

Sunshine

In September, the average sunshine in Granowiec is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What are September temperatures in Granowiec?
The average high-temperature and low-temperature in Granowiec, Poland, during September are 19.7°C (67.5°F) and 11.3°C (52.3°F) respectively.
What is the average humidity in September in Granowiec?
In Granowiec, Poland, the average relative humidity in September is 72%.
How many days does it rain in September in Granowiec?
In Granowiec, Poland, in September, it is raining for 12.3 days, with typically 34mm (1.34") of accumulated precipitation.
When it does not snow in Granowiec?
June through September are months without snowfall in Granowiec.
Does it snow in Granowiec in September?
In Granowiec, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Granowiec?
In Granowiec, Poland, the average day length in September is 12h and 38min.
When are sunrise and sunset in September in Granowiec?
On the first day of September, sunrise is at 06:02 and sunset at 19:35. On the last day of the month, sunrise is at 06:49 and sunset at 18:29 CEST.
How long on average sun shines in September in Granowiec?
In Granowiec, Poland, the average sunshine duration in September is 8.7h.
How high is the UV index in September in Granowiec?
In September, the average daily maximum UV index in Granowiec is 4. A UV Index value of 3 to 5 symbolizes 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
Granowiec, Poland
  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average pressure in September
Granowiec, Poland
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).

Average wind speed in September
Granowiec, Poland
  • Average wind speed in September: 10.8km/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 (10km/h).

Average humidity in September
Granowiec, Poland
  • Average humidity in September: 72%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Granowiec, Poland
  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is November (19mm).

Average rainfall days in September
Granowiec, Poland
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (8.5 days).

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

The month with the highest snowfall is January (97mm).
The months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Granowiec, Poland
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.2 days).

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Granowiec, Poland
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Granowiec, Poland
  • Average visibility in September: 9km

The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (8km).

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