September weather forecastChiavari, Italy
September
Weather in September
September, the first month of the autumn in Chiavari, is still a pleasant month, with temperature in the range of an average low of 16°C (60.8°F) and an average high of 22°C (71.6°F).Temperature
September signifies a gentle decline in Chiavari's average high-temperature, easing from a warm 25.6°C (78.1°F) in August to a pleasant 22°C (71.6°F). Chiavari sees an average low-temperature of 16°C (60.8°F) during September.Humidity
In September, the average relative humidity in Chiavari 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 Chiavari, Italy, snow does not fall in April through November.Daylight
In Chiavari, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:46 and sunset at 19:58. On the last day of September, sunrise is at 07:19 and sunset at 19:05 CEST.
Sunshine
In Chiavari, the average sunshine in September is 9.9h.UV index
In Chiavari, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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 daylight in September /
Average sunshine in September
Chiavari, Italy
- Average daylight in September: 12h and 30min
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 54min
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
Chiavari, 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
Chiavari, 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
Chiavari, 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
Chiavari, 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).
