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
Gallarate's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 27.7°C (81.9°F) in August to an agreeable 22.8°C (73°F). Gallarate witnesses an average low-temperature of 13.6°C (56.5°F) throughout the month of September.Humidity
The average relative humidity in September in Gallarate is 72%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 72mm (2.83") of precipitation is accumulated. Throughout the year, there are 178.4 rainfall days, and 1147mm (45.16") of precipitation is accumulated.Snowfall
In Gallarate, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Gallarate, sunrise is at 06:46 and sunset at 20:02. On the last day of the month, sunrise is at 07:22 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Gallarate is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the average September temperature in Gallarate?
What is the average humidity in September in Gallarate?
How many days does it rain in September in Gallarate?
When it does not snow in Gallarate?
How many hours of daylight does Gallarate have in September?
What time are sunrise and sunset in September in Gallarate?
How long on average sun shines in September in Gallarate?
How high is the UV index in September in Gallarate?
Average temperature in September
Gallarate, Italy
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Gallarate, Italy
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Gallarate, Italy
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is March (6.8km/h).
The calmest month (with the lowest average wind speed) is December (5.4km/h).
Average humidity in September
Gallarate, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are April, July and August (70%).
Average rainfall in September
Gallarate, Italy
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Gallarate, Italy
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Gallarate, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gallarate, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Gallarate, 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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in September
Gallarate, Italy
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in September
Gallarate, 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
Gallarate, Italy
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in September
Gallarate, 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).
Gallarate, Italy
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