September weather forecastCalvi, France
September
Weather in September
September, the first month of the autumn in Calvi, is still a pleasant month, with temperature in the range of an average high of 22.3°C (72.1°F) and an average low of 17.1°C (62.8°F).Temperature
Calvi observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 25.9°C (78.6°F) to an agreeable 22.3°C (72.1°F). During the nights in September, Calvi experiences a consistent average temperature of 17.1°C (62.8°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In Calvi, in September, during 11.4 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 141.2 rainfall days, and 578mm (22.76") of precipitation is accumulated.Snowfall
In Calvi, snow does not fall in April through November.Sea temperature
In September, the average sea temperature in Calvi, France, is 22.6°C (72.7°F).Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.6°C (72.7°F).
Daylight
In Calvi, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:50 and sunset at 19:59. On the last day of September, sunrise is at 07:21 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September in Calvi, France, is 10.2h.UV index
In Calvi, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! Sand and water increase UV exposure due to their reflective properties.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Calvi, France
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The months with the lowest average high temperature are January and February (10.2°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is August (19.5°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in September
Calvi, France
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Calvi, France
- Average wind speed in September: 11.9km/h
The windiest months (with the highest average wind speed) are February and March (16km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Calvi, France
- Average humidity in September: 72%
The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Calvi, France
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (85mm).
The driest months (with the least rainfall) are June and July (32mm).
Average rainfall days in September
Calvi, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in September
Calvi, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Calvi, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Calvi, France
- Average sea temperature in September: 22.6°C
The best month for swimming (with the highest average sea temperature) is August (23.8°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).
Average daylight in September /
Average sunshine in September
Calvi, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 12min
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
Calvi, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Calvi, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Calvi, France
- 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 9).
Average visibility in September
Calvi, France
- 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).





