September weather forecastJarki, Poland

September

Weather in September

September, the first month of the autumn in Jarki, is also an enjoyable month, with an average temperature varying between 19.4°C (66.9°F) and 11°C (51.8°F).

Temperature

The average high-temperature decreases in September, shifting from a warm 24.5°C (76.1°F) in August to a refreshing 19.4°C (66.9°F). Throughout the nights in September, an average low-temperature of 11°C (51.8°F) is noted in Jarki.

Humidity

The average relative humidity in September is 72%.

Rainfall

In September, in Jarki, Poland, the rain falls for 8.2 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Jarki, there are 126.1 rainfall days, and 320mm (12.6") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Jarki, Poland, is 12h and 40min.
On the first day of September, sunrise is at 05:57 and sunset at 19:35. On the last day of the month, sunrise is at 06:46 and sunset at 18:25 CEST.

Sunshine

In Jarki, Poland, the average sunshine in September is 8.1h.

UV index

In Jarki, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

The average high-temperature, in September, in Jarki, is 19.4°C (66.9°F), while the average low-temperature is 11°C (51.8°F).

In September, the average relative humidity in Jarki is 72%.

In Jarki, Poland, in September, it is raining for 8.2 days, with typically 21mm (0.83") of accumulated precipitation.

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

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

The average day length in September is 12h and 40min.

In September, on the first day of the month, sunrise is at 05:57 and sunset at 19:35. On the last day of the month, sunrise is at 06:46 and sunset at 18:25 CEST.

In September, the average sunshine duration in Jarki, Poland, is 8.1h.

In Jarki, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jarki, Poland

  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in September: 11°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 (-3.3°C).

Average pressure in September
Jarki, Poland

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Jarki, Poland

  • Average wind speed in September: 11.9km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September
Jarki, Poland

  • Average humidity in September: 72%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Jarki, Poland

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Jarki, Poland

  • Average rainfall days in September: 8.2 days

The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in September
Jarki, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Jarki, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 8h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in September
Jarki, Poland

  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in September
Jarki, Poland

  • Average UV index in September: 4

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

Average cloud cover in September
Jarki, Poland

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Jarki, Poland

  • Average visibility in September: 9km

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