September weather forecast
Geretsberg, Austria

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Geretsberg, Austria, with an average temperature fluctuating between 8.3°C (46.9°F) and 18.3°C (64.9°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 18.3°C (64.9°F). During the nights in September, an average low-temperature of 8.3°C (46.9°F) is observed.

Humidity

In September, the average relative humidity is 84%.

Rainfall

In September, the rain falls for 16 days. Throughout September, 83mm (3.27") of precipitation is accumulated. In Geretsberg, Austria, during the entire year, the rain falls for 186.2 days and collects up to 1040mm (40.94") of precipitation.

Snowfall

In Geretsberg, Austria, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 06:26 and sunset at 19:49. On the last day of September, sunrise is at 07:06 and sunset at 18:49 CEST.

Sunshine

In Geretsberg, Austria, the average sunshine in September is 7.9h.

UV index

In Geretsberg, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What are September temperatures in Geretsberg?
An average high-temperature, in September, in Geretsberg, is 18.3°C (64.9°F) and the average low-temperature is 8.3°C (46.9°F).
What is the average humidity in September in Geretsberg?
In September, the average relative humidity in Geretsberg, Austria, is 84%.
How much does it rain in Geretsberg in September?
In September, the rain falls for 16 days. Throughout September, 83mm (3.27") of precipitation is accumulated.
When it does not snow in Geretsberg?
In Geretsberg, snow does not fall in June through September.
Does it snow in Geretsberg in September?
In Geretsberg, Austria, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Geretsberg?
In Geretsberg, Austria, the average day length in September is 12h and 35min.
When are sunrise and sunset in September in Geretsberg?
On the first day of September in Geretsberg, sunrise is at 06:26 and sunset at 19:49. On the last day of the month, sunrise is at 07:06 and sunset at 18:49 CEST.
How many hours of sunshine does Geretsberg have in September?
In Geretsberg, the average sunshine duration in September is 7.9h.
How high is the UV index in September in Geretsberg?
The average daily maximum UV index in September in Geretsberg, Austria, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Geretsberg, Austria
  • Average high temperature in September: 18.3°C

The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (2.1°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is August (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (-3.8°C).

Average pressure in September
Geretsberg, Austria
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are April and May (1015.7mbar).

Average wind speed in September
Geretsberg, Austria
  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

Average humidity in September
Geretsberg, Austria
  • Average humidity in September: 84%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Geretsberg, Austria
  • Average rainfall in September: 83mm

The wettest month (with the highest rainfall) is May (125mm).
The driest month (with the least rainfall) is November (40mm).

Average rainfall days in September
Geretsberg, Austria
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is February (8.7 days).

Average snowfall in September
Geretsberg, Austria
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (409mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Geretsberg, Austria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Geretsberg, Austria
  • Average daylight in September: 12h and 4min

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: 7h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in September
Geretsberg, Austria
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (4.9 days).

Average UV index in September
Geretsberg, Austria
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Geretsberg, Austria
  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Geretsberg, Austria
  • Average visibility in September: 8km

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

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