September weather forecastNapoleonów, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Napoleonów, Poland, with an average temperature fluctuating between 11.2°C (52.2°F) and 19.3°C (66.7°F).

Temperature

Napoleonów's average high-temperature decreases in September, falling from a warm 24.9°C (76.8°F) in August to a comfortable 19.3°C (66.7°F). Napoleonów's average low-temperature is measured at a fresh 11.2°C (52.2°F) during September.

Humidity

The average relative humidity in September in Napoleonów is 71%.

Rainfall

In Napoleonów, during September, the rain falls for 9.5 days and regularly aggregates up to 25mm (0.98") of precipitation. In Napoleonów, Poland, during the entire year, the rain falls for 122.8 days and collects up to 325mm (12.8") of precipitation.

Snowfall

In Napoleonów, snow does not fall in May through September.

Daylight

In September, the average length of the day in Napoleonów is 12h and 38min.
On the first day of September in Napoleonów, sunrise is at 05:55 and sunset at 19:27. On the last day of the month, sunrise is at 06:41 and sunset at 18:21 CEST.

Sunshine

In Napoleonów, the average sunshine in September is 8.3h.

UV index

In Napoleonów, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

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

Frequently asked questions

In September, the average high-temperature and low-temperature in Napoleonów, Poland, are 19.3°C (66.7°F) and 11.2°C (52.2°F) respectively.

In Napoleonów, the average relative humidity in September is 71%.

In Napoleonów, during September, the rain falls for 9.5 days and regularly aggregates up to 25mm (0.98") of precipitation.

In Napoleonów, Poland, snow does not fall in May through September.

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

The average day length in September in Napoleonów is 12h and 38min.

On the first day of September in Napoleonów, sunrise is at 05:55 and sunset at 19:27. On the last day of the month, sunrise is at 06:41 and sunset at 18:21 CEST.

In September, the average sunshine duration is 8.3h.

In Napoleonów, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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

24.9°C

19.3°C

12.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.1km/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

19.3

19.4

20.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Napoleonów, Poland

Average high temperature in September: 19.3°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°C).

Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).

Average pressure in September
Napoleonów, Poland

Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).

Average wind speed in September
Napoleonów, Poland

Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Napoleonów, Poland

Average humidity in September: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Napoleonów, Poland

Average rainfall in September: 25mm

The wettest months (with the highest rainfall) are May and July (37mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Napoleonów, Poland

Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (13.4 days).
The months with the least rainy days are January and November (7.9 days).

Average snowfall in September
Napoleonów, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (89mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Napoleonów, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 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
Napoleonów, 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 18min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).