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
Weather in September
Temperature
In San Giacomo delle Segnate, entering September brings a temperature decrement, reducing from August's tropical 30.9°C (87.6°F) to a warm 24.9°C (76.8°F). An average low-temperature of 14.7°C (58.5°F) is recorded during the nights in September.Humidity
In San Giacomo delle Segnate, the average relative humidity in September is 69%.Rainfall
In San Giacomo delle Segnate, during September, the rain falls for 10.3 days and regularly aggregates up to 46mm (1.81") of precipitation. In San Giacomo delle Segnate, during the entire year, the rain falls for 133.1 days and collects up to 482mm (18.98") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:38 and sunset at 19:52. On the last day of September, sunrise is at 07:13 and sunset at 18:58 CEST.
Sunshine
In San Giacomo delle Segnate, the average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What is the average September temperature in San Giacomo delle Segnate?
What is the average humidity in September in San Giacomo delle Segnate?
How many days does it rain in September in San Giacomo delle Segnate?
When it does not snow in San Giacomo delle Segnate?
How many hours of daylight does San Giacomo delle Segnate have in September?
When are sunrise and sunset in September in San Giacomo delle Segnate?
How many hours of sunshine does San Giacomo delle Segnate have in September?
What is the UV index intensity in September in San Giacomo delle Segnate?
Average temperature in September
San Giacomo delle Segnate, Italy
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
San Giacomo delle Segnate, Italy
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
San Giacomo delle Segnate, Italy
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.7km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
San Giacomo delle Segnate, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
San Giacomo delle Segnate, Italy
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
San Giacomo delle Segnate, Italy
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
San Giacomo delle Segnate, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
San Giacomo delle Segnate, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.8 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
San Giacomo delle Segnate, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
San Giacomo delle Segnate, Italy
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
San Giacomo delle Segnate, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
San Giacomo delle Segnate, Italy
- Average cloud cover in September: 23
The months with the most cloud cover are February and November (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
San Giacomo delle Segnate, 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, February, March, April, May, October, November and December (9km).
San Giacomo delle Segnate, Italy
Weather forecast for your location
2. Allow the app to use your location
