September weather forecastStękiny, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Stękiny, Poland, with an average temperature fluctuating between 18.3°C (64.9°F) and 9.8°C (49.6°F).

Temperature

The onset of September entails a temperature shift, as the average high-temperature decreases from a moderately hot 23.7°C (74.7°F) in August to an enjoyable 18.3°C (64.9°F). In the month of September, the nighttime temperature dips to a steady average of 9.8°C (49.6°F).

Humidity

In September, the average relative humidity in Stękiny, Poland, is 75%.

Rainfall

In Stękiny, Poland, during September, the rain falls for 13.5 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Stękiny, there are 155.1 rainfall days, and 414mm (16.3") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Stękiny is 12h and 41min.
On the first day of September in Stękiny, sunrise is at 05:48 and sunset at 19:29. On the last day of the month, sunrise is at 06:40 and sunset at 18:17 CEST.

Sunshine

The average sunshine in September in Stękiny is 7.7h.

UV index

In September, the average daily maximum UV index in Stękiny is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 3 during September leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In September, in Stękiny, the average high-temperature is 18.3°C (64.9°F), and the average low-temperature is 9.8°C (49.6°F).

The average relative humidity in September in Stękiny, Poland, is 75%.

In Stękiny, in September, during 13.5 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

June through September are months without snowfall in Stękiny, Poland.

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

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

In September, on the first day of the month, sunrise is at 05:48 and sunset at 19:29. On the last day of the month, in Stękiny, Poland, sunrise is at 06:40 and sunset at 18:17 CEST.

The average sunshine duration in September in Stękiny is 7.7h.

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

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.1°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-4.7°C).

Average pressure in September
Stękiny, Poland

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Stękiny, Poland

  • Average wind speed in September: 11.3km/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 (9.9km/h).

Average humidity in September
Stękiny, Poland

  • Average humidity in September: 75%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Stękiny, Poland

  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are March and April (22mm).

Average rainfall days in September
Stękiny, Poland

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (8.1 days).

Average snowfall in September
Stękiny, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stękiny, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in September
Stękiny, Poland

  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in September
Stękiny, 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
Stękiny, Poland

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).

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