September weather forecastGriesenau, Austria

September

Weather in September

September, the first month of the autumn in Griesenau, is also a moderate month, with temperature in the range of an average high of 15.2°C (59.4°F) and an average low of 5°C (41°F).

Temperature

The arrival of September signals a subtle shift in temperature, down from a pleasant 20°C (68°F) in August to a refreshing 15.2°C (59.4°F). Griesenau experiences an average nighttime temperature of 5°C (41°F) in the month of September.

Humidity

In September, the average relative humidity is 84%.

Rainfall

In September, in Griesenau, the rain falls for 6.3 days. Throughout September, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 83 rainfall days, and 219mm (8.62") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Griesenau, Austria, is 12h and 34min.
On the first day of September, sunrise is at 06:29 and sunset at 19:50. On the last day of the month, sunrise is at 07:08 and sunset at 18:51 CEST.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Griesenau, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

In Griesenau, in September, the average high-temperature is 15.2°C (59.4°F), and the average low-temperature is 5°C (41°F).

In September, the average relative humidity is 84%.

In September, in Griesenau, the rain falls for 6.3 days. Throughout September, 11mm (0.43") of precipitation is accumulated.

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

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

In Griesenau, the average day length in September is 12h and 34min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 19:50. On the last day of the month, in Griesenau, sunrise is at 07:08 and sunset at 18:51 CEST.

In September, the average sunshine duration in Griesenau, Austria, is 8.4h.

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

  • Average high temperature in September: 15.2°C

The warmest month (with the highest average high temperature) is August (20°C).
The months with the lowest average high temperature are January and February (-0.5°C).

  • Average low temperature in September: 5°C

The month with the highest average low temperature is August (8.6°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).

Average pressure in September
Griesenau, Austria

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Griesenau, Austria

  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest months (with the lowest average wind speed) are August and September (5.9km/h).

Average humidity in September
Griesenau, Austria

  • Average humidity in September: 84%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, August and December (81%).

Average rainfall in September
Griesenau, Austria

  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is May (27mm).
The driest month (with the least rainfall) is November (9mm).

Average rainfall days in September
Griesenau, Austria

  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is June (11.1 days).
The months with the least rainy days are February and November (3.3 days).

Average snowfall in September
Griesenau, Austria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Griesenau, Austria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Griesenau, Austria

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September
Griesenau, Austria

  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is June (13.7 days).

Average UV index in September
Griesenau, Austria

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Griesenau, Austria

  • Average cloud cover in September: 44

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Griesenau, Austria

  • Average visibility in September: 7km

The months with the highest visibility are April, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May, June and September (7km).