September weather forecastGnin, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Gnin, Poland, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 19.5°C (67.1°F).

Temperature

September brings a minor decrease, with the average high-temperature reducing from a moderately hot 25°C (77°F) in August to a refreshing 19.5°C (67.1°F). The temperature lowers to an average of 11.1°C (52°F) during September nights.

Humidity

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

Rainfall

In September, in Gnin, the rain falls for 12.1 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 354mm (13.94") of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 40min.
On the first day of the month, sunrise is at 06:07 and sunset at 19:42. On the last day of September, sunrise is at 06:54 and sunset at 18:34 CEST.

Sunshine

In Gnin, the average sunshine in September is 8.4h.

UV index

In Gnin, 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 maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against sun damage is advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

The high-temperature during September is 19.5°C (67.1°F) and the low-temperature is 11.1°C (52°F).

In September, the average relative humidity is 71%.

In Gnin, during September, the rain falls for 12.1 days and regularly aggregates up to 26mm (1.02") of precipitation.

In Gnin, snow does not fall in June through October.

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

On the first day of September, sunrise is at 06:07 and sunset at 19:42. On the last day of the month, sunrise is at 06:54 and sunset at 18:34 CEST.

In Gnin, Poland, the average sunshine duration in September is 8.4h.

In Gnin, 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 the Sun's UV radiation.
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
Gnin, Poland

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.9°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in September
Gnin, Poland

  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).

Average wind speed in September
Gnin, Poland

  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).

Average humidity in September
Gnin, 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 (66%).

Average rainfall in September
Gnin, Poland

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Gnin, Poland

  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.5 days).

Average snowfall in September
Gnin, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Gnin, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Gnin, 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 24min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Gnin, Poland

  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is January (11.3 days).

Average UV index in September
Gnin, Poland

  • Average UV index in September: 4

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

Average cloud cover in September
Gnin, Poland

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Gnin, 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).