September weather forecastSpinetta Marengo, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Spinetta Marengo, Italy, with an average temperature fluctuating between 13.8°C (56.8°F) and 24.1°C (75.4°F).Temperature
September marks a gentle change in average high-temperature, declining from August's 29°C (84.2°F) to a still moderately hot 24.1°C (75.4°F). An average low-temperature of 13.8°C (56.8°F) is observed during September nights in Spinetta Marengo, Italy.Humidity
The average relative humidity in September in Spinetta Marengo, Italy, is 75%.Rainfall
In Spinetta Marengo, in September, during 11.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Spinetta Marengo, during the entire year, the rain falls for 138.4 days and collects up to 612mm (24.09") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Spinetta Marengo, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:48 and sunset at 20:02. On the last day of September, sunrise is at 07:22 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine in Spinetta Marengo is 9.6h.UV index
In Spinetta Marengo, Italy, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Spinetta Marengo, Italy
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is August (17.1°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Spinetta Marengo, Italy
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
Spinetta Marengo, Italy
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are March and April (7.1km/h).
The calmest month (with the lowest average wind speed) is December (5.2km/h).
Average humidity in September
Spinetta Marengo, Italy
- Average humidity in September: 75%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Spinetta Marengo, Italy
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is November (106mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Spinetta Marengo, Italy
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Spinetta Marengo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Spinetta Marengo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Spinetta Marengo, 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 36min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 4h and 42min).
Average sunshine days in September
Spinetta Marengo, Italy
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in September
Spinetta Marengo, 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
Spinetta Marengo, Italy
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in September
Spinetta Marengo, Italy
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is November (7km).





