September weather forecastStężnica, Poland

September

Weather in September

September, the first month of the autumn in Stężnica, is also an enjoyable month, with an average temperature fluctuating between 18.6°C (65.5°F) and 8.3°C (46.9°F).

Temperature

September is characterized by a reduction in the average high-temperature, from a warm 24.2°C (75.6°F) in August to a comfortable 18.6°C (65.5°F). September nights in Stężnica experience a consistent temperature drop to a frosty 8.3°C (46.9°F).

Humidity

In September, the average relative humidity in Stężnica, Poland, is 77%.

Rainfall

September is the month with the least rainfall in Stężnica. Rain falls for 10.5 days and accumulates 27mm (1.06") of precipitation.

Snowfall

In Stężnica, snow does not fall in June through September.

Daylight

In Stężnica, the average length of the day in September is 12h and 36min.
On the first day of September in Stężnica, sunrise is at 05:47 and sunset at 19:13. On the last day of the month, sunrise is at 06:29 and sunset at 18:11 CEST.

Sunshine

In Stężnica, Poland, the average sunshine in September is 7.9h.

UV index

The average daily maximum UV index in September in Stężnica is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

The high-temperature, in September, in Stężnica, is 18.6°C (65.5°F), while the low-temperature averages to 8.3°C (46.9°F).

In September, the average relative humidity in Stężnica, Poland, is 77%.

The month with the least rainfall in Stężnica, Poland, is September, when the rain falls for 10.5 days and typically collects 27mm (1.06") of precipitation.

In Stężnica, Poland, during September, the rain falls for 10.5 days and regularly aggregates up to 27mm (1.06") of precipitation.

June through September are months without snowfall.

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

The average day length in September in Stężnica is 12h and 36min.

In September, on the first day of the month, sunrise is at 05:47 and sunset at 19:13. On the last day of the month, in Stężnica, sunrise is at 06:29 and sunset at 18:11 CEST.

In Stężnica, the average sunshine duration in September is 7.9h.

In September, the average daily maximum UV index in Stężnica, Poland, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Stężnica, Poland

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.2°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

Average pressure in September
Stężnica, Poland

  • Average pressure in September: 1017.7mbar

The months with the highest atmospheric pressure are October and December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).

Average wind speed in September
Stężnica, Poland

  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in September
Stężnica, Poland

  • Average humidity in September: 77%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Stężnica, Poland

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September
Stężnica, Poland

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7 days).

Average snowfall in September
Stężnica, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (220mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stężnica, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

Average sunshine days in September
Stężnica, Poland

  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is February (10.5 days).

Average UV index in September
Stężnica, Poland

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in September
Stężnica, Poland

  • Average cloud cover in September: 40

The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Stężnica, Poland

  • Average visibility in September: 8km

The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February and December (7km).