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.

Frequently asked questions

In September, in Galliate, the average high-temperature is 23.5°C (74.3°F), and the average low-temperature is 14.5°C (58.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 31°C (87.8°F).

The average relative humidity in September is 72%.

In Galliate, in September, it is raining for 13.5 days, with typically 70mm (2.76") of accumulated precipitation.

April through October are months without snowfall.

In September, the average day length is 12h and 32min.

In September, on the first day of the month, 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.

In September, the average sunshine duration in Galliate is 9.3h.

In Galliate, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).