September weather forecastJesionna, Poland

September

Weather in September

September, the first month of the autumn in Jesionna, is also an enjoyable month, with an average temperature ranging between min 11°C (51.8°F) and max 19.2°C (66.6°F).

Temperature

A decrease in the average high-temperature is observed during September, shifting from a moderately hot 24.8°C (76.6°F) in August to a refreshing 19.2°C (66.6°F). An average low-temperature of 11°C (51.8°F) is noted during the nights in September in Jesionna, Poland.

Humidity

The average relative humidity in September is 71%.

Rainfall

In Jesionna, in September, it is raining for 11 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Jesionna, there are 133.8 rainfall days, and 348mm (13.7") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Jesionna, the average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 05:56 and sunset at 19:29. On the last day of September, sunrise is at 06:43 and sunset at 18:22 CEST.

Sunshine

In Jesionna, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's recommended to limit sun exposure when its radiation is at its peak during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The average high-temperature and low-temperature during September are 19.2°C (66.6°F) and 11°C (51.8°F) respectively.

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

In Jesionna, in September, it is raining for 11 days, with typically 26mm (1.02") of accumulated precipitation.

May through September are months without snowfall in Jesionna.

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

In September, the average day length is 12h and 39min.

On the first day of September in Jesionna, sunrise is at 05:56 and sunset at 19:29. On the last day of the month, sunrise is at 06:43 and sunset at 18:22 CEST.

In September, the average sunshine duration in Jesionna, Poland, is 8.2h.

In September, the average daily maximum UV index in Jesionna, Poland, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Jesionna, Poland

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0.2°C).

  • Average low temperature in September: 11°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 (-3.4°C).

Average pressure in September
Jesionna, Poland

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Jesionna, Poland

  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in September
Jesionna, Poland

  • Average humidity in September: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Jesionna, Poland

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Jesionna, Poland

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Jesionna, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (90mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Jesionna, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Jesionna, 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 12min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Jesionna, Poland

  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in September
Jesionna, Poland

  • Average UV index in September: 4

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

Average cloud cover in September
Jesionna, Poland

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Jesionna, Poland

  • Average visibility in September: 9km

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