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 September begins, there is a decrease in the average high-temperature, falling from a hot 30.8°C (87.4°F) in August to a warm 24.7°C (76.5°F). In San Gemini, the nighttime temperature averages to a cool 12.9°C (55.2°F) during September.Humidity
In September, the average relative humidity is 69%.Rainfall
In San Gemini, in September, it is raining for 10.7 days, with typically 30mm (1.18") of accumulated precipitation. In San Gemini, Italy, during the entire year, the rain falls for 137.2 days and collects up to 415mm (16.34") of precipitation.Snowfall
January, March through October are months without snowfall in San Gemini.Daylight
In San Gemini, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:35 and sunset at 19:44. On the last day of September, sunrise is at 07:06 and sunset at 18:52 CEST.
Sunshine
The average sunshine in September in San Gemini is 10.8h.UV index
In San Gemini, Italy, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for San Gemini in September?
What is the average humidity in September in San Gemini?
How much does it rain in San Gemini in September?
When it does not snow in San Gemini?
What is the average length of the day in September in San Gemini?
When are sunrise and sunset in September in San Gemini?
How long on average sun shines in September in San Gemini?
What is the UV index reading in September in San Gemini?
Average temperature in September
San Gemini, Italy
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 12.9°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 Gemini, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
San Gemini, Italy
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).
Average humidity in September
San Gemini, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
San Gemini, Italy
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in September
San Gemini, Italy
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in September
San Gemini, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
San Gemini, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
San Gemini, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
San Gemini, Italy
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (20.9 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
San Gemini, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
San Gemini, Italy
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
San Gemini, 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, March, April, May, September, October, November and December (9km).
San Gemini, Italy
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