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
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 29.3°C (84.7°F) to a still warm 23.4°C (74.1°F). In San Gregorio Magno, the average temperature during the nights of September drops to a refreshing 13.3°C (55.9°F).Humidity
The average relative humidity in September is 69%.Rainfall
In San Gregorio Magno, in September, it is raining for 16 days, with typically 52mm (2.05") of accumulated precipitation. In San Gregorio Magno, during the entire year, the rain falls for 179 days and collects up to 696mm (27.4") of precipitation.Snowfall
In San Gregorio Magno, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 06:25 and sunset at 19:30. On the last day of September, sunrise is at 06:54 and sunset at 18:42 CEST.
Sunshine
The average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are September temperatures in San Gregorio Magno?
What is the average humidity in September in San Gregorio Magno?
How much does it rain in San Gregorio Magno in September?
When it does not snow in San Gregorio Magno?
What is the average length of the day in September in San Gregorio Magno?
When are sunrise and sunset in September in San Gregorio Magno?
How long on average sun shines in September in San Gregorio Magno?
What is the UV index reading in September in San Gregorio Magno?
Average temperature in September
San Gregorio Magno, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
San Gregorio Magno, Italy
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
San Gregorio Magno, Italy
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
San Gregorio Magno, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
San Gregorio Magno, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is May (80mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in September
San Gregorio Magno, Italy
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (11.9 days).
Average snowfall in September
San Gregorio Magno, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (121mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
San Gregorio Magno, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
San Gregorio Magno, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
San Gregorio Magno, Italy
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is July (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
San Gregorio Magno, 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 and December (UV index 2).
Average cloud cover in September
San Gregorio Magno, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
San Gregorio Magno, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and November (8km).
San Gregorio Magno, Italy
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