September weather forecast
Tarnów Jezierny, Poland

September

Weather in September

September, the first month of the autumn in Tarnów Jezierny, is also an enjoyable month, with an average temperature fluctuating between 19.7°C (67.5°F) and 11.5°C (52.7°F).

Temperature

Setting in of September comes with a decrease in the average high-temperature, moving from a moderately hot 25.2°C (77.4°F) in August to an enjoyable 19.7°C (67.5°F). Tarnów Jezierny experiences a nighttime temperature average of 11.5°C (52.7°F) during September.

Humidity

In September, the average relative humidity is 71%.

Rainfall

In September, the rain falls for 12.2 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Tarnów Jezierny, during the entire year, the rain falls for 151.8 days and collects up to 368mm (14.49") of precipitation.

Snowfall

In Tarnów Jezierny, snow does not fall in May through September.

Daylight

The average length of the day in September in Tarnów Jezierny is 12h and 39min.
On the first day of September in Tarnów Jezierny, sunrise is at 06:08 and sunset at 19:42. On the last day of the month, sunrise is at 06:56 and sunset at 18:35 CEST.

Sunshine

The average sunshine in September in Tarnów Jezierny is 8.8h.

UV index

In Tarnów Jezierny, Poland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the average September temperature in Tarnów Jezierny?
During September, Tarnów Jezierny experiences an average high-temperature of 19.7°C (67.5°F) and a low-temperature of 11.5°C (52.7°F).
What is the average humidity in September in Tarnów Jezierny?
In September, the average relative humidity is 71%.
How much does it rain in Tarnów Jezierny in September?
In Tarnów Jezierny, in September, it is raining for 12.2 days, with typically 20mm (0.79") of accumulated precipitation.
When it does not snow in Tarnów Jezierny?
In Tarnów Jezierny, snow does not fall in May through September.
Does it snow in Tarnów Jezierny in September?
In Tarnów Jezierny, Poland, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Tarnów Jezierny have in September?
In Tarnów Jezierny, Poland, the average day length in September is 12h and 39min.
When is the sunrise / sunset in September in Tarnów Jezierny?
In September, on the first day of the month, sunrise is at 06:08 and sunset at 19:42. On the last day of the month, in Tarnów Jezierny, Poland, sunrise is at 06:56 and sunset at 18:35 CEST.
How long on average sun shines in September in Tarnów Jezierny?
The average sunshine duration in September in Tarnów Jezierny is 8.8h.
How high is the UV index in September in Tarnów Jezierny?
In Tarnów Jezierny, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Tarnów Jezierny, Poland
  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).

Average pressure in September
Tarnów Jezierny, Poland
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in September
Tarnów Jezierny, Poland
  • Average wind speed in September: 11km/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 (10.4km/h).

Average humidity in September
Tarnów Jezierny, 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 (66%).

Average rainfall in September
Tarnów Jezierny, Poland
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Tarnów Jezierny, Poland
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (9.5 days).

Average snowfall in September
Tarnów Jezierny, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (101mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Tarnów Jezierny, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Tarnów Jezierny, 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 5min

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
Tarnów Jezierny, Poland
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is January (8.8 days).

Average UV index in September
Tarnów Jezierny, Poland
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in September
Tarnów Jezierny, Poland
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Tarnów Jezierny, Poland
  • Average visibility in September: 9km

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

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