September weather forecastGrąziowa, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Grąziowa, Poland, with an average temperature ranging between min 8.3°C (46.9°F) and max 18.6°C (65.5°F).

Temperature

September ushers in a slight temperature change, with average high-temperatures reducing from August's warm 24.2°C (75.6°F) to an enjoyable 18.6°C (65.5°F). Grąziowa witnesses an average low-temperature of 8.3°C (46.9°F) throughout the month of September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 27mm (1.06") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 36min.
On the first day of the month, sunrise is at 05:46 and sunset at 19:13. On the last day of September, sunrise is at 06:28 and sunset at 18:10 CEST.

Sunshine

The average sunshine in September is 7.9h.

UV index

In Grąziowa, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The high-temperature during September is 18.6°C (65.5°F) and the low-temperature is 8.3°C (46.9°F).

In September, the average relative humidity is 77%.

The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 27mm (1.06") of precipitation.

In Grąziowa, in September, it is raining for 10.5 days, with typically 27mm (1.06") of accumulated precipitation.

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

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

In September, the average day length in Grąziowa is 12h and 36min.

In September, on the first day of the month, sunrise is at 05:46 and sunset at 19:13. On the last day of the month, sunrise is at 06:28 and sunset at 18:10 CEST.

In September, the average sunshine duration is 7.9h.

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Grąziowa, Poland

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.2°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

Average pressure in September
Grąziowa, Poland

  • Average pressure in September: 1017.7mbar

The months with the highest atmospheric pressure are October and December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).

Average wind speed in September
Grąziowa, Poland

  • Average wind speed in September: 9.2km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in September
Grąziowa, Poland

  • Average humidity in September: 77%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Grąziowa, Poland

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September
Grąziowa, Poland

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7 days).

Average snowfall in September
Grąziowa, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (220mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Grąziowa, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

Average sunshine days in September
Grąziowa, Poland

  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is February (10.5 days).

Average UV index in September
Grąziowa, 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 November and December (UV index 1).

Average cloud cover in September
Grąziowa, Poland

  • Average cloud cover in September: 40

The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Grąziowa, Poland

  • Average visibility in September: 8km

The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February and December (7km).