September weather forecastGrudzeń-Las, Poland

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Grudzeń-Las, Poland, with an average temperature varying between 10.5°C (50.9°F) and 19.2°C (66.6°F).

Temperature

During the transition into September, Grudzeń-Las observes a decrease in the average high-temperature, falling from a moderately hot 24.8°C (76.6°F) in August to an enjoyable 19.2°C (66.6°F). Grudzeń-Las temperatures generally rest at a low of 10.5°C (50.9°F) during the September nights.

Humidity

In Grudzeń-Las, Poland, the average relative humidity in September is 72%.

Rainfall

In Grudzeń-Las, in September, during 12.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Grudzeń-Las, during the entire year, the rain falls for 160.8 days and collects up to 481mm (18.94") of precipitation.

Snowfall

June through September are months without snowfall in Grudzeń-Las.

Daylight

In Grudzeń-Las, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 05:53 and sunset at 19:25. On the last day of September, in Grudzeń-Las, sunrise is at 06:39 and sunset at 18:19 CEST.

Sunshine

In September, the average sunshine is 8h.

UV index

In Grudzeń-Las, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Grudzeń-Las, in September, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 10.5°C (50.9°F).

In Grudzeń-Las, Poland, the average relative humidity in September is 72%.

In Grudzeń-Las, in September, it is raining for 12.5 days, with typically 40mm (1.57") of accumulated precipitation.

In Grudzeń-Las, Poland, snow does not fall in June through September.

In Grudzeń-Las, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Grudzeń-Las, Poland, is 12h and 38min.

In September, on the first day of the month, sunrise is at 05:53 and sunset at 19:25. On the last day of the month, in Grudzeń-Las, Poland, sunrise is at 06:39 and sunset at 18:19 CEST.

The average sunshine duration in September in Grudzeń-Las, Poland, is 8h.

In September, the average daily maximum UV index in Grudzeń-Las, Poland, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

24.8°C

19.2°C

12.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.1km/h

12.9km/h

14.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.4

15.3

15.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Grudzeń-Las, 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 (0.1°C).

Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in September
Grudzeń-Las, Poland

Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Grudzeń-Las, Poland

Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in September
Grudzeń-Las, Poland

Average humidity in September: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Grudzeń-Las, Poland

Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in September
Grudzeń-Las, Poland

Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September
Grudzeń-Las, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (130mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Grudzeń-Las, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grudzeń-Las, Poland

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).