September weather forecastGramastetten, Austria

September

Weather in September

September, the first month of the autumn in Gramastetten, is also an enjoyable month, with an average temperature ranging between min 8.5°C (47.3°F) and max 18.1°C (64.6°F).

Temperature

September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 23.4°C (74.1°F) to a comfortable 18.1°C (64.6°F). Throughout September, Gramastetten experiences a low-temperature average of 8.5°C (47.3°F).

Humidity

In Gramastetten, the average relative humidity in September is 81%.

Rainfall

In Gramastetten, in September, it is raining for 11.6 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 154.4 rainfall days, and 536mm (21.1") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Gramastetten, the average length of the day in September is 12h and 35min.
On the first day of September in Gramastetten, sunrise is at 06:21 and sunset at 19:44. On the last day of the month, sunrise is at 07:01 and sunset at 18:44 CEST.

Sunshine

In September, the average sunshine in Gramastetten is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

The high-temperature, in September, in Gramastetten, records 18.1°C (64.6°F), while the low-temperature is 8.5°C (47.3°F).

The average relative humidity in September is 81%.

In Gramastetten, in September, it is raining for 11.6 days, with typically 44mm (1.73") of accumulated precipitation.

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

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

In Gramastetten, Austria, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:21 and sunset at 19:44. On the last day of the month, in Gramastetten, Austria, sunrise is at 07:01 and sunset at 18:44 CEST.

In September, the average sunshine duration in Gramastetten, Austria, is 8.7h.

In September, the average daily maximum UV index in Gramastetten is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Gramastetten, Austria

  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (1°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).

Average pressure in September
Gramastetten, Austria

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015.6mbar).

Average wind speed in September
Gramastetten, Austria

  • Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Gramastetten, Austria

  • Average humidity in September: 81%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Gramastetten, Austria

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is June (73mm).
The driest month (with the least rainfall) is November (17mm).

Average rainfall days in September
Gramastetten, Austria

  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (7.8 days).

Average snowfall in September
Gramastetten, Austria

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Gramastetten, Austria

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 18min).

Average sunshine days in September
Gramastetten, Austria

  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (8.5 days).

Average UV index in September
Gramastetten, Austria

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Gramastetten, Austria

  • Average cloud cover in September: 40

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Gramastetten, Austria

  • Average visibility in September: 8km

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