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 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
September
Weather in September
Temperature
September sees a slight reduction in average high-temperature, with a shift from a warm 26.8°C (80.2°F) in August to an agreeable 22.9°C (73.2°F). Sestri Ponente experiences a mean low-temperature of 14.8°C (58.6°F) during September.Humidity
In Sestri Ponente, Italy, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall in Sestri Ponente. Rain falls for 12.4 days and accumulates 29mm (1.14") of precipitation.Snowfall
In Sestri Ponente, snow does not fall in April through October.Daylight
In Sestri Ponente, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:47 and sunset at 20:00. On the last day of the month, sunrise is at 07:21 and sunset at 19:07 CEST.
Sunshine
In Sestri Ponente, the average sunshine in September is 9.5h.UV index
In Sestri Ponente, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sestri Ponente?
What is the average humidity in September in Sestri Ponente?
What is the driest month in Sestri Ponente?
How much does it rain in Sestri Ponente in September?
When it does not snow in Sestri Ponente?
How many hours of daylight does Sestri Ponente have in September?
When are sunrise and sunset in September in Sestri Ponente?
How long on average sun shines in September in Sestri Ponente?
How high is the UV index in September in Sestri Ponente?
Average temperature in September
Sestri Ponente, Italy
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Sestri Ponente, Italy
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is May (1013.9mbar).
Average wind speed in September
Sestri Ponente, Italy
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Sestri Ponente, Italy
- Average humidity in September: 76%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Sestri Ponente, Italy
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (128mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Sestri Ponente, Italy
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (10.5 days).
Average snowfall in September
Sestri Ponente, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sestri Ponente, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sestri Ponente, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in September
Sestri Ponente, Italy
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Sestri Ponente, Italy
- 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 2).
Average cloud cover in September
Sestri Ponente, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Sestri Ponente, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
