September weather forecastGrucele, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Grucele, Poland, with an average temperature fluctuating between 18.7°C (65.7°F) and 9.9°C (49.8°F).

Temperature

Grucele's September weather comes with a decrease in average high-temperatures, moving from a moderately hot 24.3°C (75.7°F) in August to a comfortable 18.7°C (65.7°F). Throughout September, Grucele witnesses a nighttime temperature average of 9.9°C (49.8°F).

Humidity

In September, the average relative humidity in Grucele is 74%.

Rainfall

In Grucele, in September, during 13.8 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Grucele, during the entire year, the rain falls for 148.8 days and collects up to 426mm (16.77") of precipitation.

Snowfall

June through September are months without snowfall in Grucele.

Daylight

In Grucele, the average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 05:44 and sunset at 19:21. On the last day of September, in Grucele, sunrise is at 06:33 and sunset at 18:12 CEST.

Sunshine

In September, the average sunshine in Grucele, Poland, is 7.8h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 in September translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

In September, in Grucele, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 9.9°C (49.8°F).

The average relative humidity in September in Grucele, Poland, is 74%.

In Grucele, Poland, in September, during 13.8 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

June through September are months without snowfall in Grucele.

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

In Grucele, the average day length in September is 12h and 41min.

In September, on the first day of the month, sunrise is at 05:44 and sunset at 19:21. On the last day of the month, sunrise is at 06:33 and sunset at 18:12 CEST.

In Grucele, the average sunshine duration in September is 7.8h.

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

  • Average high temperature in September: 18.7°C

The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in September
Grucele, Poland

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in September
Grucele, Poland

  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Grucele, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).

Average rainfall in September
Grucele, Poland

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).

Average rainfall days in September
Grucele, Poland

  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Grucele, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Grucele, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).

Average sunshine days in September
Grucele, Poland

  • Average sunshine days in September: 13.8 days

The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).

Average UV index in September
Grucele, Poland

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Grucele, Poland

  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Grucele, Poland

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).