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
Weather in September
Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 21.7°C (71.1°F) in August to a refreshing 17.8°C (64°F). September brings an average low-temperature of 8.6°C (47.5°F) to Marienthal.Humidity
In Marienthal, the average relative humidity in September is 82%.Rainfall
In Marienthal, in September, it is raining for 13.5 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 190.7 rainfall days, and 631mm (24.84") of precipitation is accumulated.Snowfall
In Marienthal, snow does not fall in June through September.Daylight
The average length of the day in September in Marienthal is 12h and 36min.On the first day of the month, sunrise is at 06:52 and sunset at 20:19. On the last day of September, sunrise is at 07:34 and sunset at 19:16 CEST.
Sunshine
In Marienthal, the average sunshine in September is 7.8h.UV index
In Marienthal, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Marienthal in September?
What is the average humidity in September in Marienthal?
How many days does it rain in September in Marienthal?
When it does not snow in Marienthal?
Does it snow in Marienthal in September?
What is the average length of the day in September in Marienthal?
When are sunrise and sunset in September in Marienthal?
How many hours of sunshine does Marienthal have in September?
What is the UV index intensity in September in Marienthal?
Average temperature in September
Marienthal, Luxembourg
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.6°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Marienthal, Luxembourg
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Marienthal, Luxembourg
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in September
Marienthal, Luxembourg
- Average humidity in September: 82%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Marienthal, Luxembourg
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Marienthal, Luxembourg
- Average rainfall days in September: 13.5 days
The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Marienthal, Luxembourg
- Average snowfall in September: 0mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Marienthal, Luxembourg
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marienthal, Luxembourg
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Marienthal, Luxembourg
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Marienthal, Luxembourg
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Marienthal, Luxembourg
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Marienthal, Luxembourg
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
Marienthal, Luxembourg
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