September weather forecastKoszelewy, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Koszelewy, Poland, with an average temperature varying between 10.2°C (50.4°F) and 18.4°C (65.1°F).

Temperature

In September, the average high-temperature goes from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 18.4°C (65.1°F). An average minimum temperature of 10.2°C (50.4°F) is recorded during the month of September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Koszelewy, in September, it is raining for 9.5 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Koszelewy, there are 126.8 rainfall days, and 277mm (10.91") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Koszelewy, the average length of the day in September is 12h and 41min.
On the first day of September, sunrise is at 05:50 and sunset at 19:29. On the last day of the month, sunrise is at 06:40 and sunset at 18:19 CEST.

Sunshine

In September, the average sunshine is 7.8h.

UV index

In Koszelewy, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

Koszelewy in September has an average high-temperature of 18.4°C (65.1°F) and an average low-temperature of 10.2°C (50.4°F).

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

In Koszelewy, in September, during 9.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

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

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

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

In September, on the first day of the month, sunrise is at 05:50 and sunset at 19:29. On the last day of the month, sunrise is at 06:40 and sunset at 18:19 CEST.

In September, the average sunshine duration is 7.8h.

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

  • Average high temperature in September: 18.4°C

The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 10.2°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in September
Koszelewy, Poland

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in September
Koszelewy, Poland

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Koszelewy, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Koszelewy, Poland

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in September
Koszelewy, Poland

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in September
Koszelewy, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Koszelewy, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Koszelewy, 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 48min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
Koszelewy, Poland

  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).

Average UV index in September
Koszelewy, 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, November and December (UV index 1).

Average cloud cover in September
Koszelewy, Poland

  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Koszelewy, Poland

  • Average visibility in September: 9km

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