September weather forecastKlewianka, Poland

September weather for Klewianka, Poland: The first month of the autumn, September, is still a comfortable month in Klewianka, Poland, with an average temperature fluctuating between 18.1°C (64.6°F) and 9.4°C (48.9°F). On the first day of September in Klewianka, sunrise is at 05:38 and sunset at 19:18.

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Klewianka, Poland, with an average temperature fluctuating between 18.1°C (64.6°F) and 9.4°C (48.9°F).

Temperature

Klewianka's September weather shows a moderate shift in high-temperatures, falling from August's moderately hot 23.3°C (73.9°F) to a comfortable 18.1°C (64.6°F). Throughout the month of September, Klewianka witnesses an average temperature of 9.4°C (48.9°F).

Humidity

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

Rainfall

In September, in Klewianka, the rain falls for 13.3 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Klewianka, Poland, there are 155 rainfall days, and 436mm (17.17") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Klewianka is 12h and 41min.
On the first day of September in Klewianka, sunrise is at 05:38 and sunset at 19:18. On the last day of the month, sunrise is at 06:29 and sunset at 18:07 CEST.

Sunshine

In Klewianka, the average sunshine in September is 7.7h.

UV index

In Klewianka, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during September leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

In Klewianka, 18.1°C (64.6°F) is the average high-temperature and 9.4°C (48.9°F) is the average low-temperature during September.

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

In September, the rain falls for 13.3 days. Throughout September, 31mm (1.22") of precipitation is accumulated.

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

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

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

In September, on the first day of the month, sunrise is at 05:38 and sunset at 19:18. On the last day of the month, in Klewianka, Poland, sunrise is at 06:29 and sunset at 18:07 CEST.

The average sunshine duration in September in Klewianka, Poland, is 7.7h.

In Klewianka, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Klewianka, Poland

  • Average high temperature in September: 18.1°C

The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (-1.5°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).

Average pressure in September
Klewianka, Poland

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in September
Klewianka, Poland

  • Average wind speed in September: 11.9km/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 (10.1km/h).

Average humidity in September
Klewianka, Poland

  • Average humidity in September: 77%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Klewianka, Poland

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is June (65mm).
The driest months (with the least rainfall) are February and April (20mm).

Average rainfall days in September
Klewianka, Poland

  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (6 days).

Average snowfall in September
Klewianka, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (100mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Klewianka, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Klewianka, 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 0min).
The month with the least sunshine is February (Average sunshine: 2h and 18min).

Average sunshine days in September
Klewianka, Poland

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in September
Klewianka, 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, February, November and December (UV index 1).

Average cloud cover in September
Klewianka, Poland

  • Average cloud cover in September: 43

The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Klewianka, 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, February and December (7km).