September weather forecastMierków, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Mierków, Poland, with an average temperature varying between 11.4°C (52.5°F) and 19.7°C (67.5°F).

Temperature

September's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 25.3°C (77.5°F) in August to a comfortable 19.7°C (67.5°F). In Mierków, an average low-temperature of 11.4°C (52.5°F) is recorded during September nights.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 7.8 days and accumulates 14mm (0.55") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Mierków, Poland, the average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 06:13 and sunset at 19:47. On the last day of September, sunrise is at 07:00 and sunset at 18:39 CEST.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

September temperatures in Mierków vary between a high-temperature of 19.7°C (67.5°F) and a low-temperature of 11.4°C (52.5°F).

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

September is the month with the least rainfall. Rain falls for 7.8 days and accumulates 14mm (0.55") of precipitation.

In Mierków, Poland, in September, during 7.8 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

June through September are months without snowfall in Mierków, Poland.

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

The average day length in September in Mierków, Poland, is 12h and 39min.

In September, on the first day of the month, sunrise is at 06:13 and sunset at 19:47. On the last day of the month, in Mierków, Poland, sunrise is at 07:00 and sunset at 18:39 CEST.

In September, the average sunshine duration is 8.8h.

In Mierków, Poland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mierków, Poland

  • Average high temperature in September: 19.7°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2°C).

Average pressure in September
Mierków, Poland

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in September
Mierków, Poland

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).

Average humidity in September
Mierków, Poland

  • Average humidity in September: 72%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Mierków, Poland

  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is September (14mm).

Average rainfall days in September
Mierków, Poland

  • Average rainfall days in September: 7.8 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Mierków, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (120mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Mierków, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 8h 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: 3h and 12min).

Average sunshine days in September
Mierków, Poland

  • Average sunshine days in September: 21.2 days

The month with the most sunshine days is September (21.2 days).
The month with the least sunshine days is January (10.3 days).

Average UV index in September
Mierków, Poland

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Mierków, Poland

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Mierków, Poland

  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is January (7km).