September weather forecastGrębień, Poland

September

Weather in September

September, the first month of the autumn in Grębień, is still a refreshing month, with an average temperature ranging between max 19.4°C (66.9°F) and min 11.3°C (52.3°F).

Temperature

As September commences, the average high-temperature shows a reduction, transitioning from a warm 25°C (77°F) in August to a refreshing 19.4°C (66.9°F). September is noted for a mean low-temperature of 11.3°C (52.3°F).

Humidity

The average relative humidity in September is 71%.

Rainfall

In September, in Grębień, the rain falls for 10.3 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, in Grębień, there are 121.3 rainfall days, and 317mm (12.48") of precipitation is accumulated.

Snowfall

In Grębień, Poland, snow does not fall in June through September.

Daylight

The average length of the day in September in Grębień is 12h and 38min.
On the first day of the month, sunrise is at 05:59 and sunset at 19:31. On the last day of September, in Grębień, Poland, sunrise is at 06:45 and sunset at 18:25 CEST.

Sunshine

The average sunshine in September in Grębień is 8.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

In September, in Grębień, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 11.3°C (52.3°F).

In September, the average relative humidity in Grębień, Poland, is 71%.

In Grębień, in September, it is raining for 10.3 days, with typically 25mm (0.98") of accumulated precipitation.

June through September are months without snowfall.

In Grębień, Poland, in September, it doesn't snow. In October, it regularly snows.

In Grębień, Poland, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 05:59 and sunset at 19:31. On the last day of the month, in Grębień, sunrise is at 06:45 and sunset at 18:25 CEST.

In September, the average sunshine duration in Grębień is 8.4h.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Grębień, Poland

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in September
Grębień, Poland

  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).

Average wind speed in September
Grębień, Poland

  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).

Average humidity in September
Grębień, Poland

  • Average humidity in September: 71%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Grębień, Poland

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).

Average rainfall days in September
Grębień, Poland

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Grębień, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Grębień, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grębień, Poland

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Grębień, Poland

  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in September
Grębień, Poland

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Grębień, Poland

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Grębień, Poland

  • Average visibility in September: 10km

The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).