September weather forecastLejno, Poland

September

Weather in September

September, the first month of the autumn in Lejno, is still a refreshing month, with an average temperature varying between 19.3°C (66.7°F) and 10.4°C (50.7°F).

Temperature

A change in temperatures is noted as August gives way to September, with average highs reducing from a warm 25°C (77°F) to a refreshing 19.3°C (66.7°F). An average nighttime temperature of 10.4°C (50.7°F) is observed during September.

Humidity

In Lejno, the average relative humidity in September is 73%.

Rainfall

In Lejno, in September, it is raining for 11.7 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Lejno, there are 149.5 rainfall days, and 457mm (17.99") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Lejno.

Daylight

In September, the average length of the day in Lejno is 12h and 38min.
On the first day of the month, sunrise is at 05:41 and sunset at 19:13. On the last day of September, in Lejno, Poland, sunrise is at 06:27 and sunset at 18:07 CEST.

Sunshine

In September, the average sunshine in Lejno, Poland, is 7.8h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 3 transforms into these recommendations:
Exercise prevention - Warding off sunburn is urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The average high-temperature and low-temperature in Lejno, Poland, during September are 19.3°C (66.7°F) and 10.4°C (50.7°F) respectively.

In September, the average relative humidity in Lejno is 73%.

In September, in Lejno, the rain falls for 11.7 days. Throughout September, 33mm (1.3") of precipitation is accumulated.

May through September are months without snowfall in Lejno, Poland.

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

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

On the first day of September in Lejno, Poland, sunrise is at 05:41 and sunset at 19:13. On the last day of the month, sunrise is at 06:27 and sunset at 18:07 CEST.

The average sunshine duration in September in Lejno is 7.8h.

The average daily maximum UV index in September in Lejno is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Lejno, Poland

  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in September
Lejno, Poland

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in September
Lejno, Poland

  • Average wind speed in September: 10.9km/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 (9.7km/h).

Average humidity in September
Lejno, Poland

  • Average humidity in September: 73%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Lejno, Poland

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in September
Lejno, Poland

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September
Lejno, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (158mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Lejno, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.9 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
Lejno, 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: 7h and 54min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
Lejno, Poland

  • Average sunshine days in September: 15.9 days

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in September
Lejno, Poland

  • Average UV index in September: 3

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

Average cloud cover in September
Lejno, Poland

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Lejno, Poland

  • Average visibility in September: 9km

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