September weather forecastPalau, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Palau, Italy, with an average temperature ranging between max 23.9°C (75°F) and min 20.3°C (68.5°F).Temperature
Palau observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 27.2°C (81°F) to a still moderately hot 23.9°C (75°F). Palau documents a consistent average low-temperature of 20.3°C (68.5°F) at night during September.Humidity
In September, the average relative humidity in Palau is 69%.Rainfall
In September, in Palau, the rain falls for 8.7 days. Throughout September, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 122.8 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Palau, Italy.Sea temperature
In Palau, the average seawater temperature in September is 23.4°C (74.1°F).Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 23.4°C (74.1°F) water can be delightful. (Olympic swimming is usually in 25°C (77°F) to 28°C (82.4°F) water.)
Daylight
In Palau, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:49 and sunset at 19:55. On the last day of September, sunrise is at 07:18 and sunset at 19:05 CEST.
Sunshine
In Palau, the average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September in Palau is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palau, Italy
- Average high temperature in September: 23.9°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is February (12.1°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (22.7°C).
The coldest month (with the lowest average low temperature) is February (8.9°C).
Average pressure in September
Palau, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Palau, Italy
- Average wind speed in September: 15.2km/h
The windiest months (with the highest average wind speed) are January and December (20.6km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in September
Palau, Italy
- Average humidity in September: 69%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Palau, Italy
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Palau, Italy
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is November (15.1 days).
The month with the least rainy days is July (3.6 days).
Average snowfall in September
Palau, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Palau, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Palau, Italy
- Average sea temperature in September: 23.4°C
The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (13.3°C).
Average daylight in September /
Average sunshine in September
Palau, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Palau, Italy
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in September
Palau, 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
Palau, Italy
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Palau, 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).





