September weather forecastPromiski, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Promiski, Poland, with an average temperature fluctuating between 18°C (64.4°F) and 9.1°C (48.4°F).

Temperature

Promiski's progression into September involves a drop in the average high-temperature, receding from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 18°C (64.4°F). Throughout the month of September, Promiski witnesses an average temperature of 9.1°C (48.4°F).

Humidity

The average relative humidity in September in Promiski is 78%.

Rainfall

In Promiski, during September, the rain falls for 14.6 days and regularly aggregates up to 38mm (1.5") of precipitation. In Promiski, during the entire year, the rain falls for 177.2 days and collects up to 539mm (21.22") of precipitation.

Snowfall

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

Daylight

In Promiski, 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 19:18. On the last day of September, in Promiski, sunrise is at 06:29 and sunset at 18:06 CEST.

Sunshine

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

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 3 during September leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

In Promiski, 18°C (64.4°F) is the average high-temperature and 9.1°C (48.4°F) is the average low-temperature during September.

In September, the average relative humidity is 78%.

In Promiski, Poland, during September, the rain falls for 14.6 days and regularly aggregates up to 38mm (1.5") of precipitation.

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

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

The average day length in September in Promiski, Poland, is 12h and 41min.

In September, on the first day of the month, sunrise is at 05:37 and sunset at 19:18. On the last day of the month, in Promiski, sunrise is at 06:29 and sunset at 18:06 CEST.

In Promiski, the average sunshine duration in September is 7.5h.

In September, the average daily maximum UV index is 3. A UV Index estimate 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Promiski, Poland

  • Average high temperature in September: 18°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-2°C).

  • Average low temperature in September: 9.1°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

Average pressure in September
Promiski, Poland

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013mbar).

Average wind speed in September
Promiski, Poland

  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

Average humidity in September
Promiski, Poland

  • Average humidity in September: 78%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
Promiski, Poland

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in September
Promiski, Poland

  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September
Promiski, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (168mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Promiski, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Promiski, 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 30min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).

Average sunshine days in September
Promiski, Poland

  • Average sunshine days in September: 11.6 days

The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is July (5.8 days).

Average UV index in September
Promiski, Poland

  • Average UV index in September: 3

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

Average cloud cover in September
Promiski, Poland

  • Average cloud cover in September: 44

The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Promiski, 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).