September weather forecastSiedlów, Poland

September

Weather in September

September, the first month of the autumn in Siedlów, is also an enjoyable month, with an average temperature fluctuating between 10.8°C (51.4°F) and 19.2°C (66.6°F).

Temperature

As Siedlów enters September, the average high-temperature decreases from the a warm 24.8°C (76.6°F) of August to a refreshing 19.2°C (66.6°F). September's nights in Siedlów observe an average temperature of 10.8°C (51.4°F).

Humidity

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

Rainfall

In Siedlów, in September, during 11.7 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 152.2 rainfall days, and 436mm (17.17") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Siedlów.

Daylight

The average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 05:53 and sunset at 19:25. On the last day of September, sunrise is at 06:39 and sunset at 18:19 CEST.

Sunshine

In Siedlów, the average sunshine in September is 8.2h.

UV index

In Siedlów, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 4 in September translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Siedlów, is 19.2°C (66.6°F) and the average low-temperature is 10.8°C (51.4°F).

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

In September, in Siedlów, Poland, the rain falls for 11.7 days. Throughout September, 34mm (1.34") of precipitation is accumulated.

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

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

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

On the first day of September in Siedlów, Poland, sunrise is at 05:53 and sunset at 19:25. On the last day of the month, sunrise is at 06:39 and sunset at 18:19 CEST.

In Siedlów, Poland, the average sunshine duration in September is 8.2h.

In Siedlów, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

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

12km/h

12.8km/h

14.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.7

16.5

16.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Siedlów, 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°C).

Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Siedlów, Poland

Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in September
Siedlów, Poland

Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Siedlów, 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
Siedlów, Poland

Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and November (22mm).

Average rainfall days in September
Siedlów, Poland

Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Siedlów, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (107mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Siedlów, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Siedlów, 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: 8h and 0min).

Average sunshine in September: 8h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).