September weather forecastKoszelew, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Koszelew, Poland, with an average temperature ranging between max 19.1°C (66.4°F) and min 10.5°C (50.9°F).

Temperature

The shift to September brings a decrease in the average high-temperature, falling from a warm 24.7°C (76.5°F) in August to a refreshing 19.1°C (66.4°F). Koszelew, during the month of September, experiences an average low-temperature of 10.5°C (50.9°F).

Humidity

In September, the average relative humidity in Koszelew is 72%.

Rainfall

In Koszelew, in September, it is raining for 9.2 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 138.8 rainfall days, and 352mm (13.86") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Koszelew.

Daylight

In Koszelew, the average length of the day in September is 12h and 40min.
On the first day of September, sunrise is at 05:53 and sunset at 19:28. On the last day of the month, sunrise is at 06:41 and sunset at 18:20 CEST.

Sunshine

In Koszelew, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index in Koszelew is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

In September, in Koszelew, the average high-temperature is 19.1°C (66.4°F), and the average low-temperature is 10.5°C (50.9°F).

In Koszelew, Poland, the average relative humidity in September is 72%.

In September, the rain falls for 9.2 days. Throughout September, 21mm (0.83") of precipitation is accumulated.

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

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

In September, the average day length in Koszelew, Poland, is 12h and 40min.

On the first day of September in Koszelew, Poland, sunrise is at 05:53 and sunset at 19:28. On the last day of the month, sunrise is at 06:41 and sunset at 18:20 CEST.

In September, the average sunshine duration in Koszelew, Poland, is 8h.

In Koszelew, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Koszelew, Poland

  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).

Average pressure in September
Koszelew, Poland

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Koszelew, Poland

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in September
Koszelew, Poland

  • Average humidity in September: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Koszelew, Poland

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is May (51mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Koszelew, Poland

  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Koszelew, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (81mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Koszelew, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Koszelew, Poland

  • Average sunshine days in September: 18 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in September
Koszelew, Poland

  • Average UV index in September: 4

The months with the highest UV index are May, 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
Koszelew, Poland

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Koszelew, Poland

  • Average visibility in September: 9km

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