September weather forecastKlwów, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Klwów, Poland, with an average temperature ranging between max 19.2°C (66.6°F) and min 10.2°C (50.4°F).

Temperature

The transition into September involves a decrease in the average high-temperature, falling from a warm 24.9°C (76.8°F) in August to an enjoyable 19.2°C (66.6°F). September's nights in Klwów observe an average temperature of 10.2°C (50.4°F).

Humidity

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

Rainfall

In Klwów, in September, during 10.8 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 144.3 rainfall days, and 417mm (16.42") of precipitation is accumulated.

Snowfall

In Klwów, Poland, snow does not fall in June through September.

Daylight

The average length of the day in September in Klwów is 12h and 38min.
On the first day of the month, sunrise is at 05:50 and sunset at 19:23. On the last day of September, in Klwów, sunrise is at 06:37 and sunset at 18:17 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 3 during September leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

September temperatures in Klwów vary between a high-temperature of 19.2°C (66.6°F) and a low-temperature of 10.2°C (50.4°F).

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

In Klwów, in September, during 10.8 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

In Klwów, Poland, snow does not fall in June through September.

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

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

In September, on the first day of the month, sunrise is at 05:50 and sunset at 19:23. On the last day of the month, in Klwów, sunrise is at 06:37 and sunset at 18:17 CEST.

The average sunshine duration in September in Klwów is 8h.

In September, the average daily maximum UV index in Klwów is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Klwów, Poland

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 10.2°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in September
Klwów, Poland

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Klwów, Poland

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Klwów, Poland

  • Average humidity in September: 73%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Klwów, Poland

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is November (22mm).

Average rainfall days in September
Klwów, Poland

  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (17.7 days).
The months with the least rainy days are January and February (8 days).

Average snowfall in September
Klwów, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (129mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Klwów, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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

  • Average sunshine in September: 8h and 0min

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 54min).

Average sunshine days in September
Klwów, Poland

  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.8 days).

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

Average cloud cover in September
Klwów, 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 31).

Average visibility in September
Klwów, Poland

  • Average visibility in September: 9km

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