September weather forecastPostaszowice, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Postaszowice, Poland, with temperature in the range of an average low of 10.4°C (50.7°F) and an average high of 18.5°C (65.3°F).

Temperature

Postaszowice in September experiences a subtle temperature decline, with average high-temperatures reducing from a warm 23.9°C (75°F) in August to an enjoyable 18.5°C (65.3°F). Nighttime temperature dips to a mean of 10.4°C (50.7°F) during September.

Humidity

In Postaszowice, the average relative humidity in September is 74%.

Rainfall

In September, in Postaszowice, the rain falls for 12.1 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Postaszowice is 12h and 37min.
On the first day of the month, sunrise is at 05:56 and sunset at 19:26. On the last day of September, in Postaszowice, sunrise is at 06:41 and sunset at 18:22 CEST.

Sunshine

The average sunshine in September is 7.9h.

UV index

In September, the average daily maximum UV index in Postaszowice is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

In Postaszowice, in September, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 10.4°C (50.7°F).

The average relative humidity in September is 74%.

In Postaszowice, in September, during 12.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

June through September are months without snowfall in Postaszowice.

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

In September, the average day length in Postaszowice, Poland, is 12h and 37min.

In September, on the first day of the month, sunrise is at 05:56 and sunset at 19:26. On the last day of the month, in Postaszowice, Poland, sunrise is at 06:41 and sunset at 18:22 CEST.

The average sunshine duration in September is 7.9h.

In Postaszowice, 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 unsafe 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Postaszowice, Poland

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in September
Postaszowice, Poland

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).

Average wind speed in September
Postaszowice, Poland

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in September
Postaszowice, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).

Average rainfall in September
Postaszowice, Poland

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).

Average rainfall days in September
Postaszowice, Poland

  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in September
Postaszowice, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Postaszowice, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in September
Postaszowice, Poland

  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in September
Postaszowice, 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
Postaszowice, Poland

  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Postaszowice, Poland

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).