September weather forecastGroty, Poland

September

Weather in September

September, the first month of the autumn in Groty, is still a refreshing month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 19°C (66.2°F).

Temperature

September's arrival correlates with a reduction in the average high-temperature, down from a warm 25°C (77°F) in August to a comfortable 19°C (66.2°F). The average low-temperature in Groty during September nights is a fresh 10.8°C (51.4°F).

Humidity

In September, the average relative humidity in Groty, Poland, is 72%.

Rainfall

In September, in Groty, the rain falls for 10.1 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Groty, during the entire year, the rain falls for 141.3 days and collects up to 353mm (13.9") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Groty, Poland, the average length of the day in September is 12h and 40min.
On the first day of September in Groty, sunrise is at 05:48 and sunset at 19:23. On the last day of the month, sunrise is at 06:36 and sunset at 18:15 CEST.

Sunshine

In September, the average sunshine in Groty is 8h.

UV index

The average daily maximum UV index in September in Groty is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Groty, 19°C (66.2°F) is the average high-temperature and 10.8°C (51.4°F) is the average low-temperature during September.

In September, the average relative humidity in Groty is 72%.

In September, in Groty, Poland, the rain falls for 10.1 days. Throughout September, 24mm (0.94") of precipitation is accumulated.

In Groty, snow does not fall in June through September.

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

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

In September, on the first day of the month, sunrise is at 05:48 and sunset at 19:23. On the last day of the month, sunrise is at 06:36 and sunset at 18:15 CEST.

The average sunshine duration in September in Groty is 8h.

In Groty, the average daily maximum UV index in September is 4. A UV Index estimate 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

25°C

19°C

12.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.1km/h

12km/h

13.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.6

18.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Groty, Poland

Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.4°C).

Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in September
Groty, Poland

Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Groty, Poland

Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in September
Groty, 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
Groty, Poland

Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is May (52mm).
The driest months (with the least rainfall) are April and November (21mm).

Average rainfall days in September
Groty, Poland

Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Groty, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (133mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Groty, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).