Weather in September
Temperature
The average high-temperature slightly decreases in September, shifting from a moderately hot 26°C (78.8°F) in August to a still warm 23°C (73.4°F). In Vernazza, September nights witness a steady temperature drop to a mild 15°C (59°F).Rainfall
In Vernazza, during September, the rain falls for 9 days and regularly aggregates up to 82mm (3.23") of precipitation. Throughout the year, in Vernazza, there are 131 rainfall days, and 932mm (36.69") of precipitation is accumulated.Sea temperature
In Vernazza, the average seawater temperature in September is 23.3°C (73.9°F).Note: For someone not comfortable with cold, swimming in 23.3°C (73.9°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
The average length of the day in September in Vernazza is 12h and 31min.On the first day of the month, sunrise is at 06:44 and sunset at 19:57. On the last day of September, in Vernazza, Italy, sunrise is at 07:18 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September in Vernazza, Italy, is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing. Be wary! Reflections from sand and water make UV radiation more intense.
Frequently asked questions
What are September temperatures in Vernazza?
How many days does it rain in September in Vernazza?
What is the sea temperature in September in Vernazza?
How many hours of daylight does Vernazza have in September?
When are sunrise and sunset in September in Vernazza?
How long on average sun shines in September in Vernazza?
What is the UV index intensity in September in Vernazza?
Average temperature in September
Vernazza, Italy
- Average high temperature in September: 23°C
The warmest months (with the highest average high temperature) are July and August (26°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 15°C
The months with the highest average low temperature are July and August (18°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average rainfall in September
Vernazza, Italy
- Average rainfall in September: 82mm
The wettest months (with the highest rainfall) are October and November (120mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in September
Vernazza, Italy
- Average rainfall days in September: 9 days
The months with the highest number of rainy days are March, April and November (13 days).
The month with the least rainy days is July (6 days).
Average sea temperature in September
Vernazza, Italy
- Average sea temperature in September: 23.3°C
The best month for swimming (with the highest average sea temperature) is August (24.4°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).
Average daylight in September /
Average sunshine in September
Vernazza, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 7h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is December (Average sunshine: 3h).
Average UV index in September
Vernazza, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
Vernazza, Italy
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