September weather forecastBołtryki, Poland

September

Weather in September

September, the first month of the autumn in Bołtryki, is also an enjoyable month, with an average temperature ranging between min 9.5°C (49.1°F) and max 18.3°C (64.9°F).

Temperature

The arrival of September signals a shift in temperature, down from a moderately hot 24.2°C (75.6°F) in August to an enjoyable 18.3°C (64.9°F). In Bołtryki, an average low-temperature of 9.5°C (49.1°F) is recorded during September nights.

Humidity

In September, the average relative humidity in Bołtryki, Poland, is 76%.

Rainfall

In Bołtryki, during September, the rain falls for 13.4 days and regularly aggregates up to 37mm (1.46") of precipitation. In Bołtryki, during the entire year, the rain falls for 164.4 days and collects up to 515mm (20.28") of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Bołtryki, Poland, is 12h and 40min.
On the first day of September, sunrise is at 05:35 and sunset at 19:13. On the last day of the month, sunrise is at 06:25 and sunset at 18:04 CEST.

Sunshine

In Bołtryki, Poland, the average sunshine in September is 7.5h.

UV index

In September, the average daily maximum UV index in Bołtryki is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the UV index of 3 transforms into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

During September, Bołtryki experiences an average high-temperature of 18.3°C (64.9°F) and a low-temperature of 9.5°C (49.1°F).

In September, the average relative humidity in Bołtryki is 76%.

In Bołtryki, during September, the rain falls for 13.4 days and regularly aggregates up to 37mm (1.46") of precipitation.

In Bołtryki, Poland, snow does not fall in May through September.

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

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

In September, on the first day of the month, sunrise is at 05:35 and sunset at 19:13. On the last day of the month, sunrise is at 06:25 and sunset at 18:04 CEST.

In Bołtryki, the average sunshine duration in September is 7.5h.

In September, the average daily maximum UV index in Bołtryki, Poland, is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bołtryki, Poland

  • Average high temperature in September: 18.3°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 (-1.5°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Bołtryki, Poland

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in September
Bołtryki, Poland

  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in September
Bołtryki, Poland

  • Average humidity in September: 76%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in September
Bołtryki, Poland

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Bołtryki, Poland

  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
Bołtryki, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bołtryki, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bołtryki, 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: 7h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).

Average sunshine days in September
Bołtryki, Poland

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).

Average UV index in September
Bołtryki, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Bołtryki, Poland

  • Average cloud cover in September: 43

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Bołtryki, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).