September weather forecast and climate
Olesno, Poland

Weather in September

The first month of the autumn, September, is also an enjoyable month in Olesno, Poland, with average temperature varying between 19.4°C (66.9°F) and 11.3°C (52.3°F).

Temperature

In Olesno, Poland, the average high-temperature drops, from a moderately hot 25°C (77°F) in August, to a comfortable 19.4°C (66.9°F). In Olesno, in September, the average low-temperature is 11.3°C (52.3°F).

Humidity

In Olesno, Poland, the average relative humidity in September is 71%.

Rainfall

In Olesno, it is raining for 10.3 days, with typically 25mm (0.98") of accumulated precipitation. In Olesno, during the entire year, the rain falls for 121.3 days and collects up to 317mm (12.48") of precipitation.

Snowfall

In Olesno snow does not fall in June through September.

Daylight

The average length of the day in Olesno is 12.6h.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Olesno?

In Olesno, Poland, in September, the average high-temperature is 19.4°C (66.9°F), and the average low-temperature is 11.3°C (52.3°F).

What is the average humidity in September in Olesno?

The average relative humidity in September in Olesno is 71%.

How much does it rain in Olesno in September?

In Olesno, in September, during 10.3 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

Does it snow in Olesno in September?

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

When it does not snow in Olesno?

In Olesno, Poland, snow does not fall in June through September.

How many hours of daylight does Olesno have in September?

In September, the average length of the day in Olesno, Poland, is 12.6h.

How long on average sun shines in September in Olesno?

The average sunshine in September in Olesno is 8.4h.

What is the UV index reading in September in Olesno?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Olesno, Poland

Average temperature in September - Olesno, Poland
  • Average high temperature in September: 19.4°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

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Average pressure in September
Olesno, Poland

Average pressure in September - Olesno, Poland
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).

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Average wind speed in September
Olesno, Poland

Average wind speed in September - Olesno, Poland
  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).

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Average humidity in September
Olesno, Poland

Average humidity in September - Olesno, Poland
  • Average humidity in September: 71%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in September
Olesno, Poland

Average rainfall in September - Olesno, Poland
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).

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Average rainfall days in September
Olesno, Poland

Average rainfall days in September - Olesno, Poland
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Olesno, Poland

Average snowfall in September - Olesno, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (75mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Olesno, Poland

Average snowfall days in September - Olesno, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Olesno, Poland
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in September
Olesno, Poland

Average sunshine days in September - Olesno, Poland
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in September
Olesno, Poland

Average UV index in September - Olesno, Poland
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Olesno, Poland

Average cloud cover in September - Olesno, Poland
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
Olesno, Poland

Average visibility in September - Olesno, Poland
  • Average visibility in September: 10km

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

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