September weather forecastJacowlany, Poland

September

Weather in September

September, the first month of the autumn in Jacowlany, is also an enjoyable month, with an average temperature varying between 9.4°C (48.9°F) and 18.2°C (64.8°F).

Temperature

The shift from August to September involves a decrease in the average high-temperature, from a warm 23.9°C (75°F) to a comfortable 18.2°C (64.8°F). During September, Jacowlany records an average temperature of 9.4°C (48.9°F) at night.

Humidity

The average relative humidity in September is 77%.

Rainfall

In Jacowlany, in September, it is raining for 13.1 days, with typically 37mm (1.46") of accumulated precipitation. In Jacowlany, during the entire year, the rain falls for 156.6 days and collects up to 459mm (18.07") of precipitation.

Snowfall

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

Daylight

In Jacowlany, the average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 05:36 and sunset at 19:15. On the last day of September, in Jacowlany, sunrise is at 06:26 and sunset at 18:05 CEST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In Jacowlany, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

The high-temperature during September is 18.2°C (64.8°F) and the low-temperature is 9.4°C (48.9°F).

In Jacowlany, the average relative humidity in September is 77%.

In Jacowlany, in September, during 13.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

June through September are months without snowfall in Jacowlany, Poland.

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

In Jacowlany, the average day length in September is 12h and 41min.

In September, on the first day of the month, sunrise is at 05:36 and sunset at 19:15. On the last day of the month, in Jacowlany, Poland, sunrise is at 06:26 and sunset at 18:05 CEST.

In Jacowlany, Poland, the average sunshine duration in September is 7.2h.

The average daily maximum UV index in September in Jacowlany is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jacowlany, Poland

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.8°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average pressure in September
Jacowlany, Poland

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013mbar).

Average wind speed in September
Jacowlany, Poland

  • Average wind speed in September: 11.4km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in September
Jacowlany, Poland

  • Average humidity in September: 77%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are April and August (71%).

Average rainfall in September
Jacowlany, Poland

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are February and April (25mm).

Average rainfall days in September
Jacowlany, Poland

  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are January and February (7.5 days).

Average snowfall in September
Jacowlany, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (155mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Jacowlany, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

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

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

Average sunshine days in September
Jacowlany, Poland

  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is January (8.3 days).

Average UV index in September
Jacowlany, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Jacowlany, Poland

  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Jacowlany, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).