September weather forecast
Olszewo-Borki, Poland

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Olszewo-Borki, Poland, with temperature in the range of an average low of 9.9°C (49.8°F) and an average high of 18.7°C (65.7°F).

Temperature

As September begins, there is a decrease in the average high-temperature, falling from a moderately hot 24.3°C (75.7°F) in August to a comfortable 18.7°C (65.7°F). During September in Olszewo-Borki, the average low-temperature is recorded at a frosty 9.9°C (49.8°F).

Humidity

In Olszewo-Borki, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 13.8 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Olszewo-Borki, during the entire year, the rain falls for 148.8 days and collects up to 426mm (16.77") of precipitation.

Snowfall

June through September are months without snowfall in Olszewo-Borki.

Daylight

In September, the average length of the day in Olszewo-Borki is 12h and 41min.
On the first day of September, sunrise is at 05:44 and sunset at 19:22. On the last day of the month, sunrise is at 06:34 and sunset at 18:12 CEST.

Sunshine

In September, the average sunshine in Olszewo-Borki is 7.8h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum daily UV index of 3 during September morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the temperature in September in Olszewo-Borki?
The average high-temperature and low-temperature during September are 18.7°C (65.7°F) and 9.9°C (49.8°F) respectively.
What is the average humidity in September in Olszewo-Borki?
The average relative humidity in September is 74%.
How much does it rain in Olszewo-Borki in September?
In September, in Olszewo-Borki, the rain falls for 13.8 days. Throughout September, 36mm (1.42") of precipitation is accumulated.
When it does not snow in Olszewo-Borki?
June through September are months without snowfall in Olszewo-Borki.
Does it snow in Olszewo-Borki in September?
In Olszewo-Borki, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Olszewo-Borki?
The average day length in September in Olszewo-Borki, Poland, is 12h and 41min.
What time are sunrise and sunset in September in Olszewo-Borki?
On the first day of September in Olszewo-Borki, sunrise is at 05:44 and sunset at 19:22. On the last day of the month, sunrise is at 06:34 and sunset at 18:12 CEST.
How long on average sun shines in September in Olszewo-Borki?
In Olszewo-Borki, Poland, the average sunshine duration in September is 7.8h.
What is the UV index intensity in September in Olszewo-Borki?
In Olszewo-Borki, Poland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Olszewo-Borki, Poland
  • Average high temperature in September: 18.7°C

The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in September
Olszewo-Borki, Poland
  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Olszewo-Borki, Poland
  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Olszewo-Borki, Poland
  • Average humidity in September: 74%

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

Average rainfall in September
Olszewo-Borki, Poland
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in September
Olszewo-Borki, Poland
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Olszewo-Borki, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Olszewo-Borki, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Olszewo-Borki, Poland
  • Average daylight in September: 12h and 4min

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 42min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).

Average sunshine days in September
Olszewo-Borki, Poland
  • Average sunshine days in September: 13.8 days

The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).

Average UV index in September
Olszewo-Borki, 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
Olszewo-Borki, 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
Olszewo-Borki, 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).

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