September weather forecastCatania, Italy
September
Weather in September
September in Catania signals the arrival of autumn but retains the warm summer temperatures. The weather is significantly cooler with average high temperatures dropping to about 27.6°C (81.7°F). Rainfall begins to pick up again, with averages rising to 26mm (1.02") over roughly 9 days. The sea remains warm, still at an enjoyable 25.4°C (77.7°F) making beach visits favorable.Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 32.1°C (89.8°F) in August to a warm 27.6°C (81.7°F). September nights in Catania observe an average temperature dip to a pleasant 20.3°C (68.5°F).Heat index
The heat index value for September is estimated at 29°C (84.2°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September in Catania, Italy, is 63%.Rainfall
In Catania, during September, the rain falls for 9.4 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 91.1 rainfall days, and 275mm (10.83") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Sea temperature
In September, the average sea temperature is 25.4°C (77.7°F).Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.
Daylight
The average length of the day in September in Catania, Italy, is 12h and 25min.On the first day of September in Catania, sunrise is at 06:30 and sunset at 19:28. On the last day of the month, sunrise is at 06:54 and sunset at 18:44 CEST.
Sunshine
In Catania, the average sunshine in September is 10.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Catania, Italy
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (23.5°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in September
Catania, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.1mbar).
Average wind speed in September
Catania, Italy
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).
Average humidity in September
Catania, Italy
- Average humidity in September: 63%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is July (50%).
Average rainfall in September
Catania, Italy
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in September
Catania, Italy
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is October (12.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in September
Catania, 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
Catania, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Catania, Italy
- Average sea temperature in September: 25.4°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.6°C).
Average daylight in September /
Average sunshine in September
Catania, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Catania, Italy
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is July (26.9 days).
The month with the least sunshine days is October (15.6 days).
Average UV index in September
Catania, 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 February and December (UV index 3).
Average cloud cover in September
Catania, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 27).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Catania, 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).
