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
During the shift to September, Rapallo records a mild decrease in average high-temperature, moving from a warm 25.6°C (78.1°F) in August to a pleasant 22°C (71.6°F). In September, in Rapallo, the average low-temperature is an enjoyable 16°C (60.8°F).Humidity
The average relative humidity in September in Rapallo is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 43mm (1.69") of precipitation.Snowfall
In Rapallo, Italy, snow does not fall in April through November.Sea temperature
In Rapallo, the average seawater temperature in September is 23.2°C (73.8°F).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 23.2°C (73.8°F) waters. For reference, Olympians swim in waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In Rapallo, the average length of the day in September is 12h and 31min.On the first day of September in Rapallo, sunrise is at 06:46 and sunset at 19:59. On the last day of the month, sunrise is at 07:20 and sunset at 19:05 CEST.
Sunshine
In Rapallo, the average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index in Rapallo is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Attention! UV radiation is markedly stronger with water and sand reflections.
Frequently asked questions
What are the temperatures in Rapallo in September?
What is the average humidity in September in Rapallo?
What is the driest month in Rapallo?
How many days does it rain in September in Rapallo?
When it does not snow in Rapallo?
How warm is the water in September in Rapallo?
What is the average length of the day in September in Rapallo?
What time are sunrise and sunset in September in Rapallo?
How long on average sun shines in September in Rapallo?
What is the UV index reading in September in Rapallo?
Average temperature in September
Rapallo, Italy
- Average high temperature in September: 22°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
Rapallo, Italy
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The months with the lowest atmospheric pressure are April, May and July (1013.9mbar).
Average wind speed in September
Rapallo, Italy
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in September
Rapallo, Italy
- Average humidity in September: 75%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Rapallo, Italy
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (118mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Rapallo, Italy
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in September
Rapallo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Rapallo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Rapallo, Italy
- Average sea temperature in September: 23.2°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 (13°C).
Average daylight in September /
Average sunshine in September
Rapallo, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
Rapallo, Italy
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in September
Rapallo, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Rapallo, Italy
- Average cloud cover in September: 23
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Rapallo, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
Rapallo, Italy
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