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 witnesses a gentle descent in average high-temperature, descending from August's warm 24.9°C (76.8°F) to an agreeable 20.6°C (69.1°F). In Graglia, an average temperature of 11.1°C (52°F) is noted during September nights.Humidity
In Graglia, the average relative humidity in September is 73%.Rainfall
In Graglia, during September, the rain falls for 14.7 days and regularly aggregates up to 49mm (1.93") of precipitation. In Graglia, during the entire year, the rain falls for 188.8 days and collects up to 1018mm (40.08") of precipitation.Snowfall
In Graglia, snow does not fall in April through October.Daylight
The average length of the day in September in Graglia, Italy, is 12h and 32min.On the first day of the month, sunrise is at 06:50 and sunset at 20:05. On the last day of September, in Graglia, sunrise is at 07:25 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine in Graglia is 9.5h.UV index
In September, the average daily maximum UV index in Graglia is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the average September temperature in Graglia?
What is the average humidity in September in Graglia?
How many days does it rain in September in Graglia?
When it does not snow in Graglia?
How many hours of daylight does Graglia have in September?
When are sunrise and sunset in September in Graglia?
How long on average sun shines in September in Graglia?
How high is the UV index in September in Graglia?
Average temperature in September
Graglia, Italy
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 11.1°C
The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Graglia, Italy
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Graglia, Italy
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is May (6.8km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).
Average humidity in September
Graglia, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Graglia, Italy
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in September
Graglia, Italy
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Graglia, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Graglia, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Graglia, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 48min).
Average sunshine days in September
Graglia, Italy
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is January (19.1 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in September
Graglia, Italy
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Graglia, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in September
Graglia, 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).
Graglia, Italy
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