September weather forecast
Sassari, Italy

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Weather in September

September, recording a descent in temperature from 28.3°C (82.9°F) to 24.4°C (75.9°F), brings relief from the sultry weather of the previous months in Sassari. Rain can become marginally more frequent, and the weather starts cooling down, signaling the eventual transition into autumn. Concurrently, daylight hours begin to reduce, hinting at shorter days. Amid all the changes, wind speed moves up the scale slightly. Consequently, September is regarded as the threshold of seasonal change when summer leisurely starts melting into autumn.

Temperature

The onset of September in Sassari entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 28.3°C (82.9°F) in August to a still warm 24.4°C (75.9°F). Sassari, in September, experiences an average temperature of 19°C (66.2°F) at night.

Humidity

In Sassari, the average relative humidity in September is 70%.

Rainfall

In Sassari, in September, during 9.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Sassari, during the entire year, the rain falls for 117.6 days and collects up to 327mm (12.87") of precipitation.

Snowfall

In Sassari, Italy, snow does not fall in March through December.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Sassari, sunrise is at 06:53 and sunset at 19:57. On the last day of the month, sunrise is at 07:21 and sunset at 19:09 CEST.

Sunshine

The average sunshine in September is 10h.

UV index

The average daily maximum UV index in September in Sassari is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What are September temperatures in Sassari?

The high-temperature, in September, in Sassari, is 24.4°C (75.9°F), while the low-temperature averages to 19°C (66.2°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 31°C (87.8°F).

What is the average humidity in September in Sassari?

In Sassari, the average relative humidity in September is 70%.

How many days does it rain in September in Sassari?

In September, in Sassari, Italy, the rain falls for 9.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated.

When it does not snow in Sassari?

In Sassari, snow does not fall in March through December.

What is the average length of the day in September in Sassari?

The average day length in September in Sassari is 12h and 28min.

When are sunrise and sunset in September in Sassari?

In September, on the first day of the month, sunrise is at 06:53 and sunset at 19:57. On the last day of the month, sunrise is at 07:21 and sunset at 19:09 CEST.

How many hours of sunshine does Sassari have in September?

The average sunshine duration in September is 10h.

How high is the UV index in September in Sassari?

The average daily maximum UV index in September in Sassari is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Sassari, Italy

Average temperature in September - Sassari, Italy
  • Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is February (11.9°C).

  • Average low temperature in September: 19°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).

Average pressure in September
Sassari, Italy

Average pressure in September - Sassari, Italy
  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).

Average wind speed in September
Sassari, Italy

Average wind speed in September - Sassari, Italy
  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Sassari, Italy

Average humidity in September - Sassari, Italy
  • Average humidity in September: 70%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Sassari, Italy

Average rainfall in September - Sassari, Italy
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in September
Sassari, Italy

Average rainfall days in September - Sassari, Italy
  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is November (14.2 days).
The month with the least rainy days is July (4.1 days).

Average snowfall in September
Sassari, Italy

Average snowfall in September - Sassari, Italy
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Sassari, Italy

Average snowfall days in September - Sassari, Italy
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Sassari, Italy

Average daylight in September / Average sunshine in September - Sassari, Italy
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 10h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in September
Sassari, Italy

Average sunshine days in September - Sassari, Italy
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is November (13.5 days).

Average UV index in September
Sassari, Italy

Average UV index in September - Sassari, Italy
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Sassari, Italy

Average cloud cover in September - Sassari, Italy
  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in September
Sassari, Italy

Average visibility in September - Sassari, Italy
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Sassari, Italy

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