September weather forecastGrodzanów, Poland

September weather forecast for Grodzanów, Poland: The first month of the autumn, September, is still a pleasant month in Grodzanów, Poland, with an average temperature varying between 11.3°C (52.3°F) and 20.3°C (68.5°F). In Grodzanów, in September, it is raining for 10.5 days, with typically 30mm (1.18") of accumulated precipitation.

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Grodzanów, Poland, with an average temperature varying between 11.3°C (52.3°F) and 20.3°C (68.5°F).

Temperature

The decrease of average high-temperatures is mild in September, with a decline from a moderately hot 25.8°C (78.4°F) in August to an agreeable 20.3°C (68.5°F). During the nights in September, the temperature averages to a cool 11.3°C (52.3°F).

Humidity

The average relative humidity in September is 70%.

Rainfall

In September, the rain falls for 10.5 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 138.8 rainfall days, and 326mm (12.83") of precipitation is accumulated.

Snowfall

In Grodzanów, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 38min.
On the first day of September, sunrise is at 06:07 and sunset at 19:39. On the last day of the month, sunrise is at 06:53 and sunset at 18:33 CEST.

Sunshine

In Grodzanów, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

In Grodzanów, in September, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 11.3°C (52.3°F).

The average relative humidity in September is 70%.

In Grodzanów, in September, it is raining for 10.5 days, with typically 30mm (1.18") of accumulated precipitation.

May through September are months without snowfall.

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

In Grodzanów, the average day length in September is 12h and 38min.

On the first day of September, sunrise is at 06:07 and sunset at 19:39. On the last day of the month, sunrise is at 06:53 and sunset at 18:33 CEST.

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

In Grodzanów, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Grodzanów, Poland

  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

Average pressure in September
Grodzanów, Poland

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in September
Grodzanów, Poland

  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in September
Grodzanów, Poland

  • Average humidity in September: 70%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Grodzanów, Poland

  • Average rainfall in September: 30mm

The wettest months (with the highest rainfall) are May and June (41mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in September
Grodzanów, Poland

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Grodzanów, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Grodzanów, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grodzanów, 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: 8h and 0min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Grodzanów, Poland

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (11 days).

Average UV index in September
Grodzanów, Poland

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Grodzanów, Poland

  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Grodzanów, Poland

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).