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
September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 29°C (84.2°F) in August to a still moderately hot 24.3°C (75.7°F). During September, Isola Sant'Antonio's temperature falls to a steady low-temperature average of 14.1°C (57.4°F).Humidity
The average relative humidity in September is 75%.Rainfall
In Isola Sant'Antonio, in September, it is raining for 10.6 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 606mm (23.86") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:47 and sunset at 20:01. On the last day of September, sunrise is at 07:22 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September in Isola Sant'Antonio?
When it does not snow?
How many hours of daylight does Isola Sant'Antonio have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Isola Sant'Antonio, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Isola Sant'Antonio, Italy
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
Isola Sant'Antonio, Italy
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are March and April (7.1km/h).
The calmest month (with the lowest average wind speed) is December (5.2km/h).
Average humidity in September
Isola Sant'Antonio, Italy
- Average humidity in September: 75%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Isola Sant'Antonio, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Isola Sant'Antonio, Italy
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is December (7.1 days).
Average snowfall in September
Isola Sant'Antonio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Isola Sant'Antonio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Isola Sant'Antonio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 4h and 36min).
Average sunshine days in September
Isola Sant'Antonio, Italy
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Isola Sant'Antonio, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Isola Sant'Antonio, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is November (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Isola Sant'Antonio, Italy
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is November (7km).
