September weather forecastRetznei, 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.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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).

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

In Retznei, during September, the rain falls for 14.5 days and regularly aggregates up to 77mm (3.03") of precipitation.

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

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

In September, the average day length is 12h and 33min.

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.

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

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.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.1°C

19.5°C

14.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.7km/h

6.8km/h

7.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.1

12.5

15.7

Average UV index

Average cloud cover

Average visibility

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: 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: 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: 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: 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: 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: 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: 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: 12h and 36min

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 42min

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).