September weather forecastSerri, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Serri, Italy, with an average temperature ranging between max 24.3°C (75.7°F) and min 14.9°C (58.8°F).Temperature
September weather is marked by a drop in the average high-temperature, falling from a warm 29.9°C (85.8°F) in August to a still moderately hot 24.3°C (75.7°F). Serri, during the nights of September, experiences an average temperature drop to a mild 14.9°C (58.8°F).Humidity
In September, the average relative humidity is 70%.Rainfall
In September, in Serri, the rain falls for 12.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Serri, Italy, during the entire year, the rain falls for 153.4 days and collects up to 531mm (20.91") of precipitation.Snowfall
May through November are months without snowfall in Serri.Daylight
In Serri, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 06:51 and sunset at 19:54. On the last day of September, sunrise is at 07:19 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September is 10h.UV index
In Serri, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Serri, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Serri, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Serri, Italy
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Serri, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in September
Serri, Italy
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Serri, Italy
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is July (6 days).
Average snowfall in September
Serri, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Serri, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Serri, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Serri, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is January (9.9 days).
Average UV index in September
Serri, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Serri, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Serri, Italy
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
