September weather forecastKiełki, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Kiełki, Poland, with temperature in the range of an average high of 18.8°C (65.8°F) and an average low of 10.3°C (50.5°F).

Temperature

Kiełki experiences a temperature shift at the start of September, with average high-temperatures adjusting from a warm 24.2°C (75.6°F) in August to an enjoyable 18.8°C (65.8°F). Kiełki experiences an average temperature drop to a cool 10.3°C (50.5°F) during September nights.

Humidity

In Kiełki, the average relative humidity in September is 73%.

Rainfall

In Kiełki, in September, it is raining for 10.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 135.4 rainfall days, and 350mm (13.78") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Kiełki is 12h and 40min.
On the first day of September in Kiełki, sunrise is at 05:50 and sunset at 19:27. On the last day of the month, sunrise is at 06:39 and sunset at 18:18 CEST.

Sunshine

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

UV index

The average daily maximum UV index in September in Kiełki is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 3 suggests this advice:
Exercise prevention - Warding off sunburn is urged. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

September temperatures in Kiełki vary between a high-temperature of 18.8°C (65.8°F) and a low-temperature of 10.3°C (50.5°F).

In Kiełki, the average relative humidity in September is 73%.

In Kiełki, in September, it is raining for 10.5 days, with typically 27mm (1.06") of accumulated precipitation.

June through September are months without snowfall in Kiełki.

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

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

In September, on the first day of the month, sunrise is at 05:50 and sunset at 19:27. On the last day of the month, in Kiełki, sunrise is at 06:39 and sunset at 18:18 CEST.

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

The average daily maximum UV index in September 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
Kiełki, Poland

  • Average high temperature in September: 18.8°C

The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in September
Kiełki, Poland

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in September
Kiełki, Poland

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Kiełki, Poland

  • Average humidity in September: 73%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Kiełki, Poland

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in September
Kiełki, Poland

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in September
Kiełki, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kiełki, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

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

  • Average sunshine in September: 8h and 0min

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 36min).

Average sunshine days in September
Kiełki, Poland

  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in September
Kiełki, 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
Kiełki, Poland

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Kiełki, 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 (6km).