September weather forecastCiasne, Poland

September

Weather in September

September, the first month of the autumn in Ciasne, is also an enjoyable month, with an average temperature fluctuating between 9.5°C (49.1°F) and 18.3°C (64.9°F).

Temperature

Welcoming September, Ciasne observes a shift in the average high-temperature, falling from August's warm 24.2°C (75.6°F) to a refreshing 18.3°C (64.9°F). An average temperature of 9.5°C (49.1°F) marks the nights in September.

Humidity

The average relative humidity in September in Ciasne is 76%.

Rainfall

In Ciasne, Poland, in September, during 13.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Ciasne, Poland, there are 164.4 rainfall days, and 515mm (20.28") of precipitation is accumulated.

Snowfall

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

Daylight

In Ciasne, the average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 05:37 and sunset at 19:15. On the last day of September, sunrise is at 06:27 and sunset at 18:05 CEST.

Sunshine

In September, the average sunshine in Ciasne is 7.5h.

UV index

The average daily maximum UV index in September in Ciasne is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

During September, Ciasne experiences an average high-temperature of 18.3°C (64.9°F) and a low-temperature of 9.5°C (49.1°F).

In Ciasne, Poland, the average relative humidity in September is 76%.

In Ciasne, Poland, during September, the rain falls for 13.4 days and regularly aggregates up to 37mm (1.46") of precipitation.

May through September are months without snowfall in Ciasne.

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

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

On the first day of September, sunrise is at 05:37 and sunset at 19:15. On the last day of the month, sunrise is at 06:27 and sunset at 18:05 CEST.

The average sunshine duration in September in Ciasne, Poland, is 7.5h.

The average daily maximum UV index in September in Ciasne, Poland, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ciasne, Poland

  • Average high temperature in September: 18.3°C

The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Ciasne, Poland

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in September
Ciasne, Poland

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in September
Ciasne, Poland

  • Average humidity in September: 76%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in September
Ciasne, Poland

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Ciasne, Poland

  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
Ciasne, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Ciasne, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (20.3 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
Ciasne, Poland

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 7h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).

Average sunshine days in September
Ciasne, Poland

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).

Average UV index in September
Ciasne, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Ciasne, Poland

  • Average cloud cover in September: 43

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Ciasne, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).