September weather forecastLwowiany, Poland

September

Weather in September

September, the first month of the autumn in Lwowiany, is also an enjoyable month, with an average temperature fluctuating between 11.2°C (52.2°F) and 19.5°C (67.1°F).

Temperature

With the beginning of September, the average high-temperature shows a decrease, transitioning from a moderately hot 25.6°C (78.1°F) in August to an enjoyable 19.5°C (67.1°F). Lwowiany experiences an average nighttime temperature of 11.2°C (52.2°F) in the month of September.

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Lwowiany, Poland, during September, the rain falls for 12.5 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 151.3 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:04 and sunset at 19:32. On the last day of September, sunrise is at 06:48 and sunset at 18:29 CEST.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Lwowiany, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Lwowiany, is 19.5°C (67.1°F) and the average low-temperature is 11.2°C (52.2°F).

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

In Lwowiany, Poland, in September, during 12.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

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

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

In Lwowiany, the average day length in September is 12h and 37min.

On the first day of September in Lwowiany, Poland, sunrise is at 06:04 and sunset at 19:32. On the last day of the month, sunrise is at 06:48 and sunset at 18:29 CEST.

In Lwowiany, Poland, the average sunshine duration in September is 8.6h.

In Lwowiany, Poland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.6°C

19.5°C

13.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.7km/h

11.1km/h

12.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.3

15.8

18.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Lwowiany, Poland

Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.8°C).

Average low temperature in September: 11.2°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 (-3.2°C).

Average pressure in September
Lwowiany, Poland

Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).

Average wind speed in September
Lwowiany, Poland

Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Lwowiany, Poland

Average humidity in September: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Lwowiany, Poland

Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (20mm).

Average rainfall days in September
Lwowiany, Poland

Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (18.1 days).
The months with the least rainy days are January and February (8.7 days).

Average snowfall in September
Lwowiany, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Lwowiany, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).

Average sunshine in September: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).