September weather forecastGalliate, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Galliate, Italy, with an average temperature varying between 14.5°C (58.1°F) and 23.5°C (74.3°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from 28.4°C (83.1°F) in August to a still moderately hot 23.5°C (74.3°F). During September, the nighttime temperature averages to a moderate 14.5°C (58.1°F).Humidity
In Galliate, Italy, the average relative humidity in September is 72%.Rainfall
In Galliate, during September, the rain falls for 13.5 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, there are 157.6 rainfall days, and 988mm (38.9") of precipitation is accumulated.Snowfall
In Galliate, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:47 and sunset at 20:02. On the last day of the month, sunrise is at 07:22 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Galliate, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Galliate, Italy
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Galliate, Italy
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1014.6mbar).
Average wind speed in September
Galliate, Italy
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is April (7.2km/h).
The calmest month (with the lowest average wind speed) is December (5.4km/h).
Average humidity in September
Galliate, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are March, April and August (70%).
Average rainfall in September
Galliate, Italy
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is November (143mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Galliate, Italy
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Galliate, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Galliate, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 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
Galliate, Italy
- Average daylight in September: 12h and 30min
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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).
Average sunshine days in September
Galliate, Italy
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are January and December (23.1 days).
The month with the least sunshine days is July (7.6 days).
Average UV index in September
Galliate, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Galliate, Italy
- Average cloud cover in September: 30
The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in September
Galliate, 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).





