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
Mertloch's September weather features a light decline in high-temperatures, reducing from a warm 23.3°C (73.9°F) in August to a comfortable 19°C (66.2°F). Throughout September, an average low-temperature of 9.3°C (48.7°F) is expected.Humidity
In September, the average relative humidity in Mertloch is 79%.Rainfall
In Mertloch, in September, during 12.2 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, in Mertloch, there are 168.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
In Mertloch, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:46 and sunset at 20:14. On the last day of the month, sunrise is at 07:30 and sunset at 19:11 CEST.
Sunshine
In Mertloch, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Mertloch is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are the temperatures in Mertloch in September?
What is the average humidity in September in Mertloch?
How much does it rain in Mertloch in September?
When it does not snow in Mertloch?
What is the average length of the day in September in Mertloch?
When is the sunrise / sunset in September in Mertloch?
How many hours of sunshine does Mertloch have in September?
What is the UV index intensity in September in Mertloch?
Average temperature in September
Mertloch, Germany
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Mertloch, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Mertloch, Germany
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Mertloch, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Mertloch, Germany
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Mertloch, Germany
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Mertloch, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Mertloch, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mertloch, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Mertloch, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Mertloch, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Mertloch, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Mertloch, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).
Mertloch, Germany
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