Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lassee in September?
What is the average humidity in September in Lassee?
How much does it rain in Lassee in September?
When it does not snow in Lassee?
Does it snow in Lassee in September?
What is the average length of the day in September in Lassee?
When are sunrise and sunset in September in Lassee?
How long on average sun shines in September in Lassee?
How high is the UV index in September in Lassee?
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 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: 9h and 2min
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).
