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 brings a slight decrease in temperature, down from a moderately hot 24.2°C (75.6°F) in August to a comfortable 19.5°C (67.1°F). September nights observe an average temperature dip to a fresh 10.4°C (50.7°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In Merate, during September, the rain falls for 16 days and regularly aggregates up to 75mm (2.95") of precipitation. In Merate, during the entire year, the rain falls for 192.7 days and collects up to 1242mm (48.9") of precipitation.Snowfall
Months with snowfall in Merate are January through March, September, November and December. September is the first month it typically snows in Merate. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Merate, during the entire year, snow falls for 10.2 days and aggregates up to 132mm (5.2") of snow.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:44 and sunset at 20:00. On the last day of September, sunrise is at 07:20 and sunset at 19:04 CEST.
Sunshine
In Merate, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are September temperatures in Merate?
What is the average humidity in September in Merate?
How much does it rain in Merate in September?
When does it start snowing in Merate?
How many hours of daylight does Merate have in September?
When is the sunrise / sunset in September in Merate?
How many hours of sunshine does Merate have in September?
What is the UV index reading in September in Merate?
Average temperature in September
Merate, Italy
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 10.4°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Merate, Italy
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are April and May (1014.9mbar).
Average wind speed in September
Merate, Italy
- Average wind speed in September: 5.9km/h
The windiest months (with the highest average wind speed) are March and May (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
Merate, Italy
- Average humidity in September: 77%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
Merate, Italy
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Merate, Italy
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Merate, Italy
- Average snowfall in September: 1mm
The month with the highest snowfall is December (36mm).
The months with the least snowfall are April, May, June, July, August and October (0mm).
Average snowfall days in September
Merate, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Merate, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Merate, Italy
- Average sunshine days in September: 11.9 days
The months with the most sunshine days are January and December (18.3 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in September
Merate, Italy
- Average UV index in September: 4
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
Merate, Italy
- Average cloud cover in September: 29
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Merate, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Merate, Italy
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