September weather forecastLeman, Poland

September

Weather in September

September, the first month of the autumn in Leman, is also an enjoyable month, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 18.2°C (64.8°F).

Temperature

September ushers in a slight temperature change, with average high-temperatures reducing from August's warm 23.7°C (74.7°F) to a refreshing 18.2°C (64.8°F). During the nights in September, Leman experiences a consistent average temperature of 9.6°C (49.3°F).

Humidity

In Leman, the average relative humidity in September is 76%.

Rainfall

The months with the least rainfall in Leman are April and September Rain falls for 11.3 days and accumulates 23mm (0.91") of rain.

Snowfall

June through September are months without snowfall in Leman.

Daylight

In September, the average length of the day is 12h and 41min.
On the first day of September in Leman, sunrise is at 05:43 and sunset at 19:22. On the last day of the month, sunrise is at 06:34 and sunset at 18:12 CEST.

Sunshine

In September, the average sunshine is 7.7h.

UV index

In Leman, Poland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, a regular UV index of 3 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The high-temperature, in September, in Leman, records 18.2°C (64.8°F), while the low-temperature is 9.6°C (49.3°F).

The average relative humidity in September in Leman, Poland, is 76%.

April and September are months with the least rain in Leman, Poland, when the rain falls for 11.3 days and typically aggregates up to 23mm (0.91") of rain.

In Leman, in September, during 11.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated.

June through September are months without snowfall.

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

The average day length in September is 12h and 41min.

On the first day of September, sunrise is at 05:43 and sunset at 19:22. On the last day of the month, sunrise is at 06:34 and sunset at 18:12 CEST.

In September, the average sunshine duration in Leman, Poland, is 7.7h.

In September, the average daily maximum UV index in Leman, Poland, is 3. A UV Index value 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
Leman, Poland

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).

Average pressure in September
Leman, Poland

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in September
Leman, Poland

  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Leman, Poland

  • Average humidity in September: 76%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Leman, Poland

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is May (48mm).
The driest months (with the least rainfall) are April and September (23mm).

Average rainfall days in September
Leman, Poland

  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in September
Leman, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Leman, 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
Leman, 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 42min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

Average sunshine days in September
Leman, Poland

  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is January (8 days).

Average UV index in September
Leman, Poland

  • Average UV index in September: 3

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
Leman, Poland

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Leman, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).