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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's hot 30.2°C (86.4°F) to a warm 26.3°C (79.3°F). Otranto's nighttime temperature in September consistently rests at a pleasant 22°C (71.6°F).Humidity
In Otranto, the average relative humidity in September is 64%.Rainfall
In Otranto, Italy, in September, it is raining for 8.2 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 125.1 rainfall days, and 486mm (19.13") of precipitation is accumulated.Snowfall
February through December are months without snowfall in Otranto.Sea temperature
In Otranto, in September, the average water temperature is 24.9°C (76.8°F).Note: For someone not comfortable with cold, swimming in 24.9°C (76.8°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.
Daylight
In Otranto, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:14 and sunset at 19:17. On the last day of September, in Otranto, Italy, sunrise is at 06:41 and sunset at 18:29 CEST.
Sunshine
In September, the average sunshine in Otranto, Italy, is 10.4h.UV index
In September, the average daily maximum UV index in Otranto is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Frequently asked questions
What is the temperature in September in Otranto?
What is the average humidity in September in Otranto?
How many days does it rain in September in Otranto?
When it does not snow in Otranto?
What is the water temperature in September in Otranto?
What is the average length of the day in September in Otranto?
When are sunrise and sunset in September in Otranto?
How long on average sun shines in September in Otranto?
What is the UV index intensity in September in Otranto?
Average temperature in September
Otranto, Italy
- Average high temperature in September: 26.3°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 (13.2°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (9.9°C).
Average pressure in September
Otranto, Italy
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).
Average wind speed in September
Otranto, Italy
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is February (23.5km/h).
The calmest month (with the lowest average wind speed) is August (14.1km/h).
Average humidity in September
Otranto, Italy
- Average humidity in September: 64%
The month with the highest relative humidity is November (74%).
The months with the lowest relative humidity are July and August (61%).
Average rainfall in September
Otranto, Italy
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (107mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Otranto, Italy
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in September
Otranto, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Otranto, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Otranto, Italy
- Average sea temperature in September: 24.9°C
The best month for swimming (with the highest average sea temperature) is August (25.8°C).
The coldest months (with the lowest average sea temperature) are January and February (14.3°C).
Average daylight in September /
Average sunshine in September
Otranto, 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 24min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Otranto, Italy
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is February (11.9 days).
Average UV index in September
Otranto, Italy
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in September
Otranto, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Otranto, 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).
Otranto, Italy
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