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
With the beginning of September, the average high-temperature shows a decrease, transitioning from 29.8°C (85.6°F) in August to a still warm 24.4°C (75.9°F). During the month of September, an average low-temperature of 16.6°C (61.9°F) is recorded.Humidity
In Mergo, Italy, the average relative humidity in September is 67%.Rainfall
In Mergo, in September, it is raining for 11.4 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Mergo, Italy, there are 128.2 rainfall days, and 420mm (16.54") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Mergo.Daylight
In Mergo, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 06:32 and sunset at 19:43. On the last day of September, sunrise is at 07:04 and sunset at 18:50 CEST.
Sunshine
The average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mergo in September?
What is the average humidity in September in Mergo?
How much does it rain in Mergo in September?
When it does not snow in Mergo?
How many hours of daylight does Mergo have in September?
When are sunrise and sunset in September in Mergo?
How many hours of sunshine does Mergo have in September?
How high is the UV index in September in Mergo?
Average temperature in September
Mergo, Italy
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.2°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is August (20.1°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Mergo, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in September
Mergo, Italy
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is June (8.9km/h).
Average humidity in September
Mergo, Italy
- Average humidity in September: 67%
The months with the highest relative humidity are January and November (78%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Mergo, Italy
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in September
Mergo, Italy
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is August (8.7 days).
Average snowfall in September
Mergo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mergo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mergo, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Mergo, Italy
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in September
Mergo, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Mergo, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Mergo, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
