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 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
With the commencement of September, Atrani records a moderate temperature decline, with the average high easing from August's tropical 30.2°C (86.4°F) to a warm 25.5°C (77.9°F). In the month of September, an average of 18.6°C (65.5°F) marks the low-temperature in Atrani.Humidity
The average relative humidity in September in Atrani is 65%.Rainfall
In Atrani, in September, it is raining for 12.5 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, in Atrani, there are 149.6 rainfall days, and 614mm (24.17") of precipitation is accumulated.Snowfall
March through December are months without snowfall.Sea temperature
In Atrani, Italy, the average seawater temperature in September is 25°C (77°F).Note: For swimming, diving, and various water activities, the temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as highly enjoyable and comfortable for extended durations without any discomfort.
Daylight
The average length of the day in September in Atrani is 12h and 28min.On the first day of September, sunrise is at 06:29 and sunset at 19:33. On the last day of the month, sunrise is at 06:57 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine in Atrani, Italy, is 10.9h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Frequently asked questions
What are the temperatures in Atrani in September?
What is the average humidity in September in Atrani?
How much does it rain in Atrani in September?
When it does not snow in Atrani?
What is the water temperature in September in Atrani?
What is the average length of the day in September in Atrani?
When is the sunrise / sunset in September in Atrani?
How long on average sun shines in September in Atrani?
What is the UV index intensity in September in Atrani?
Average temperature in September
Atrani, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in September
Atrani, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in September
Atrani, Italy
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Atrani, Italy
- Average humidity in September: 65%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Atrani, Italy
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Atrani, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Atrani, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Atrani, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Atrani, Italy
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in September /
Average sunshine in September
Atrani, 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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Atrani, Italy
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Atrani, Italy
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Atrani, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Atrani, 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).
Atrani, Italy
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