September weather forecastCieszyna, Poland

September

Weather in September

September, the first month of the autumn in Cieszyna, is also an enjoyable month, with an average temperature ranging between min 9.3°C (48.7°F) and max 19°C (66.2°F).

Temperature

September comes with a drop in the average high-temperature, falling from August's warm 24.4°C (75.9°F) to a comfortable 19°C (66.2°F). Throughout September nights, Cieszyna registers an average low-temperature of 9.3°C (48.7°F).

Humidity

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

Rainfall

In Cieszyna, in September, it is raining for 10.5 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Cieszyna, there are 155.5 rainfall days, and 507mm (19.96") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Cieszyna.

Daylight

The average length of the day in September in Cieszyna, Poland, is 12h and 37min.
On the first day of September in Cieszyna, Poland, sunrise is at 05:49 and sunset at 19:17. On the last day of the month, sunrise is at 06:32 and sunset at 18:13 CEST.

Sunshine

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

UV index

In September, the average daily maximum UV index in Cieszyna is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

The high-temperature in Cieszyna, Poland, during September is 19°C (66.2°F) and the low-temperature is 9.3°C (48.7°F).

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

In Cieszyna, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

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

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

The average day length in September in Cieszyna is 12h and 37min.

In September, on the first day of the month, sunrise is at 05:49 and sunset at 19:17. On the last day of the month, sunrise is at 06:32 and sunset at 18:13 CEST.

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

In Cieszyna, Poland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Cieszyna, Poland

  • Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 9.3°C

The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in September
Cieszyna, Poland

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1019.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).

Average wind speed in September
Cieszyna, Poland

  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).

Average humidity in September
Cieszyna, Poland

  • Average humidity in September: 76%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Cieszyna, Poland

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).

Average rainfall days in September
Cieszyna, Poland

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (9 days).

Average snowfall in September
Cieszyna, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Cieszyna, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in September
Cieszyna, Poland

  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is January (8.1 days).

Average UV index in September
Cieszyna, 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 January and December (UV index 1).

Average cloud cover in September
Cieszyna, Poland

  • Average cloud cover in September: 38

The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Cieszyna, Poland

  • Average visibility in September: 9km

The months with the highest visibility are March, April, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).