September weather forecast
Retznei, Austria

September

Weather in September

September, the first month of the autumn in Retznei, is still a comfortable month, with an average temperature ranging between max 19.5°C (67.1°F) and min 10.1°C (50.2°F).

Temperature

Arrival of September comes with a reduction in the average high-temperature, falling from a warm 25.1°C (77.2°F) in August to a comfortable 19.5°C (67.1°F). In September, Retznei reports a consistent average low-temperature of 10.1°C (50.2°F) during the nights.

Humidity

The average relative humidity in September is 81%.

Rainfall

In Retznei, in September, it is raining for 14.5 days, with typically 77mm (3.03") of accumulated precipitation. In Retznei, during the entire year, the rain falls for 188.4 days and collects up to 935mm (36.81") of precipitation.

Snowfall

In Retznei, Austria, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 33min.
On the first day of the month, sunrise is at 06:18 and sunset at 19:37. On the last day of September, sunrise is at 06:55 and sunset at 18:39 CEST.

Sunshine

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

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the usual temperature for Retznei in September?
An average high-temperature, in September, in Retznei, is 19.5°C (67.1°F) and the average low-temperature is 10.1°C (50.2°F).
What is the average humidity in September in Retznei?
In Retznei, the average relative humidity in September is 81%.
How much does it rain in Retznei in September?
In Retznei, during September, the rain falls for 14.5 days and regularly aggregates up to 77mm (3.03") of precipitation.
When it does not snow in Retznei?
In Retznei, snow does not fall in May through September.
Does it snow in Retznei in September?
In Retznei, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Retznei have in September?
In September, the average day length is 12h and 33min.
When are sunrise and sunset in September in Retznei?
In September, on the first day of the month, sunrise is at 06:18 and sunset at 19:37. On the last day of the month, in Retznei, sunrise is at 06:55 and sunset at 18:39 CEST.
How long on average sun shines in September in Retznei?
In Retznei, Austria, the average sunshine duration in September is 8.7h.
What is the UV index reading in September in Retznei?
In Retznei, Austria, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 - Retznei, Austria
Average temperature in September
Retznei, Austria
  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in September: 10.1°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in September - Retznei, Austria
Average pressure in September
Retznei, Austria
  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1015.1mbar).

Average wind speed in September - Retznei, Austria
Average wind speed in September
Retznei, Austria
  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September - Retznei, Austria
Average humidity in September
Retznei, Austria
  • Average humidity in September: 81%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September - Retznei, Austria
Average rainfall in September
Retznei, Austria
  • Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is May (139mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in September - Retznei, Austria
Average rainfall days in September
Retznei, Austria
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (24 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in September - Retznei, Austria
Average snowfall in September
Retznei, Austria
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (210mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Retznei, Austria
Average snowfall days in September
Retznei, Austria
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12 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 - Retznei, Austria
Average daylight in September /
Average sunshine in September
Retznei, Austria
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in September - Retznei, Austria
Average sunshine days in September
Retznei, Austria
  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (4.2 days).

Average UV index in September - Retznei, Austria
Average UV index in September
Retznei, Austria
  • Average UV index in September: 4

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

Average cloud cover in September - Retznei, Austria
Average cloud cover in September
Retznei, Austria
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September - Retznei, Austria
Average visibility in September
Retznei, Austria
  • Average visibility in September: 8km

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

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