September weather forecastKłonna, Poland

September

Weather in September

September, the first month of the autumn in Kłonna, is still a refreshing month, with an average temperature ranging between min 10.5°C (50.9°F) and max 19.2°C (66.6°F).

Temperature

The shift from August to September involves a decrease in the average high-temperature, dropping from a moderately hot 24.8°C (76.6°F) to a refreshing 19.2°C (66.6°F). Kłonna experiences an average low-temperature reading of 10.5°C (50.9°F) throughout September.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Kłonna, during September, the rain falls for 12.5 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, in Kłonna, there are 160.8 rainfall days, and 481mm (18.94") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Kłonna is 12h and 38min.
On the first day of September in Kłonna, Poland, sunrise is at 05:51 and sunset at 19:24. On the last day of the month, sunrise is at 06:37 and sunset at 18:17 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

The average daily maximum UV index in September in Kłonna is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Kłonna, in September, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 10.5°C (50.9°F).

In September, the average relative humidity in Kłonna is 72%.

In Kłonna, Poland, in September, it is raining for 12.5 days, with typically 40mm (1.57") of accumulated precipitation.

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

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

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

On the first day of September in Kłonna, sunrise is at 05:51 and sunset at 19:24. On the last day of the month, sunrise is at 06:37 and sunset at 18:17 CEST.

The average sunshine duration in September in Kłonna, Poland, is 8h.

In Kłonna, Poland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

24.8°C

19.2°C

12.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.1km/h

12.9km/h

14.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.4

15.3

15.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kłonna, Poland

Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0.1°C).

Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in September
Kłonna, Poland

Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Kłonna, Poland

Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Kłonna, Poland

Average humidity in September: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Kłonna, Poland

Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in September
Kłonna, Poland

Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September
Kłonna, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (130mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kłonna, 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
Kłonna, 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 24min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).