September weather forecastLassee, Austria

September

Weather in September

September, the first month of the autumn in Lassee, is still a pleasant month, with an average temperature fluctuating between 12.1°C (53.8°F) and 21.2°C (70.2°F).

Temperature

A subtle decrease in the average high-temperature marks September, falling from August's warm 27.3°C (81.1°F) to a pleasant 21.2°C (70.2°F). Lassee experiences a mean low-temperature of 12.1°C (53.8°F) during September.

Humidity

In September, the average relative humidity is 67%.

Rainfall

In Lassee, in September, during 10.1 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 132.9 rainfall days, and 403mm (15.87") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:11 and sunset at 19:34. On the last day of September, in Lassee, sunrise is at 06:51 and sunset at 18:33 CEST.

Sunshine

In September, the average sunshine in Lassee is 9.4h.

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 rays for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

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

Frequently asked questions

The high-temperature, in September, in Lassee, is 21.2°C (70.2°F), while the low-temperature averages to 12.1°C (53.8°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 29°C (84.2°F).

In Lassee, the average relative humidity in September is 67%.

In Lassee, Austria, during September, the rain falls for 10.1 days and regularly aggregates up to 32mm (1.26") of precipitation.

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

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

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

In September, on the first day of the month, sunrise is at 06:11 and sunset at 19:34. On the last day of the month, sunrise is at 06:51 and sunset at 18:33 CEST.

The average sunshine duration in September in Lassee, Austria, is 9.4h.

In Lassee, Austria, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

27.3°C

21.2°C

15°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.7km/h

12.4km/h

13.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.4

18.2

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Lassee, Austria

Average high temperature in September: 21.2°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (2.2°C).

Average low temperature in September: 12.1°C

The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is January (-2.7°C).

Average pressure in September
Lassee, Austria

Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).

Average wind speed in September
Lassee, Austria

Average wind speed in September: 11.7km/h

The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September
Lassee, Austria

Average humidity in September: 67%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Lassee, Austria

Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in September
Lassee, Austria

Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in September
Lassee, Austria

Average snowfall in September: 0mm

The month with the highest snowfall is January (107mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Lassee, Austria

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9 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
Lassee, 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: 9h and 24min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Lassee, Austria

Average sunshine days in September: 18.2 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (12.2 days).

Average UV index in September
Lassee, Austria

Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Lassee, Austria

Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Lassee, Austria

Average visibility in September: 10km

The months with the highest visibility are March, April, June, July, August and September (10km).
The month with the lowest visibility is January (8km).