September weather forecastGrubale, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Grubale, Poland, with an average temperature ranging between min 10.1°C (50.2°F) and max 18.7°C (65.7°F).

Temperature

September suggests a modest reduction in the average high-temperature, shifting from a warm 24.5°C (76.1°F) in August to a refreshing 18.7°C (65.7°F). In Grubale, the average nighttime temperature during September is a fresh 10.1°C (50.2°F).

Humidity

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

Rainfall

The month with the least rainfall in Grubale, Poland, is September, when the rain falls for 8.5 days and typically collects 18mm (0.71") of precipitation.

Snowfall

May through September are months without snowfall in Grubale.

Daylight

The average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 05:42 and sunset at 19:17. On the last day of September, in Grubale, sunrise is at 06:30 and sunset at 18:09 CEST.

Sunshine

In Grubale, the average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

Grubale in September has an average high-temperature of 18.7°C (65.7°F) and an average low-temperature of 10.1°C (50.2°F).

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

The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 18mm (0.71") of precipitation.

In Grubale, Poland, in September, it is raining for 8.5 days, with typically 18mm (0.71") of accumulated precipitation.

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

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

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

In September, on the first day of the month, sunrise is at 05:42 and sunset at 19:17. On the last day of the month, in Grubale, Poland, sunrise is at 06:30 and sunset at 18:09 CEST.

The average sunshine duration in September in Grubale, Poland, is 7.8h.

In September, the average daily maximum UV index in Grubale is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Grubale, Poland

  • Average high temperature in September: 18.7°C

The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in September: 10.1°C

The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in September
Grubale, Poland

  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Grubale, Poland

  • Average wind speed in September: 11.3km/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 (10km/h).

Average humidity in September
Grubale, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Grubale, Poland

  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).

Average rainfall days in September
Grubale, Poland

  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Grubale, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Grubale, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grubale, 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: 7h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days in September
Grubale, Poland

  • Average sunshine days in September: 20.6 days

The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).

Average UV index in September
Grubale, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Grubale, Poland

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Grubale, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).