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 days in September
- Average sea temperature 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
The onset of September marks an average high-temperature of a still warm 23.3°C (73.9°F), hardly differing from August's 25.8°C (78.4°F). The temperature during September nights demonstrates a small drop from the daytime highs, settling to an average of 21.2°C (70.2°F).Humidity
The months with the lowest humidity in Marciana Marina are September and December, with an average relative humidity of 69%.Rainfall
In Marciana Marina, in September, during 12.5 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, in Marciana Marina, there are 134.4 rainfall days, and 521mm (20.51") of precipitation is accumulated.Snowfall
In Marciana Marina, snow does not fall in January, March through December.Sea temperature
In September, the average sea temperature in Marciana Marina is 23.4°C (74.1°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 06:44 and sunset at 19:53. On the last day of the month, sunrise is at 07:15 and sunset at 19:02 CEST.
Sunshine
The average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September in Marciana Marina is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Frequently asked questions
What is the usual temperature for Marciana Marina in September?
What are the least humid months in Marciana Marina?
What is the average humidity in September in Marciana Marina?
How many days does it rain in September in Marciana Marina?
When it does not snow in Marciana Marina?
What is the sea temperature in September in Marciana Marina?
What is the average length of the day in September in Marciana Marina?
What time are sunrise and sunset in September in Marciana Marina?
How many hours of sunshine does Marciana Marina have in September?
What is the UV index reading in September in Marciana Marina?
Average temperature in September
Marciana Marina, Italy
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is February (12°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (9.7°C).
Average pressure in September
Marciana Marina, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The months with the lowest atmospheric pressure are April and July (1013.8mbar).
Average wind speed in September
Marciana Marina, Italy
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is February (21.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Marciana Marina, Italy
- Average humidity in September: 69%
The months with the highest relative humidity are April, May and June (74%).
The months with the lowest relative humidity are September and December (69%).
Average rainfall in September
Marciana Marina, Italy
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (98mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Marciana Marina, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (16.7 days).
The month with the least rainy days is August (5.5 days).
Average snowfall days in September
Marciana Marina, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Marciana Marina, Italy
- Average sea temperature in September: 23.4°C
The best month for swimming (with the highest average sea temperature) is August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in September /
Average sunshine in September
Marciana Marina, 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 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Marciana Marina, Italy
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is November (11.3 days).
Average UV index in September
Marciana Marina, Italy
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Marciana Marina, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Marciana Marina, 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).
Marciana Marina, Italy
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