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
With September's onset, the weather reveals a slight temperature decrease, transitioning from 27.5°C (81.5°F) in August to a still moderately hot 23°C (73.4°F). In the month of September, Merlengo witnesses a consistent average low-temperature of 15.5°C (59.9°F).Humidity
The average relative humidity in September in Merlengo, Italy, is 72%.Rainfall
In Merlengo, in September, during 15.7 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Merlengo, Italy, during the entire year, the rain falls for 171.4 days and collects up to 706mm (27.8") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Merlengo is 12h and 32min.On the first day of the month, sunrise is at 06:32 and sunset at 19:49. On the last day of September, in Merlengo, sunrise is at 07:08 and sunset at 18:53 CEST.
Sunshine
In September, the average sunshine in Merlengo is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the temperature in September in Merlengo?
What is the average humidity in September in Merlengo?
How much does it rain in Merlengo in September?
When it does not snow in Merlengo?
How many hours of daylight does Merlengo have in September?
When is the sunrise / sunset in September in Merlengo?
How long on average sun shines in September in Merlengo?
What is the UV index reading in September in Merlengo?
Average temperature in September
Merlengo, Italy
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Merlengo, Italy
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).
Average wind speed in September
Merlengo, Italy
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in September
Merlengo, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Merlengo, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Merlengo, Italy
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is December (7.4 days).
Average snowfall in September
Merlengo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Merlengo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Merlengo, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).
Average sunshine days in September
Merlengo, Italy
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is June (5.5 days).
Average UV index in September
Merlengo, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Merlengo, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Merlengo, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are March and November (9km).
Merlengo, Italy
Weather forecast for your location
2. Allow the app to use your location
