September weather forecastAlì, Italy

September

Weather in September

September, the first month of the autumn in Alì, is also a moderately hot month, with an average temperature varying between 24.3°C (75.7°F) and 19.6°C (67.3°F).

Temperature

Alì in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 27.3°C (81.1°F) in August to a still warm 24.3°C (75.7°F). The September nights in Alì show a slight decrease to a mean low-temperature of 19.6°C (67.3°F).

Humidity

In Alì, the average relative humidity in September is 72%.

Rainfall

In September, in Alì, the rain falls for 13.9 days. Throughout September, 62mm (2.44") of precipitation is accumulated. Throughout the year, in Alì, there are 141.9 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

In Alì, Italy, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 06:28 and sunset at 19:27. On the last day of the month, sunrise is at 06:53 and sunset at 18:42 CEST.

Sunshine

In Alì, the average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Alì is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

During September, Alì experiences an average high-temperature of 24.3°C (75.7°F) and a low-temperature of 19.6°C (67.3°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 29°C (84.2°F).

The average relative humidity in September in Alì, Italy, is 72%.

In Alì, Italy, during September, the rain falls for 13.9 days and regularly aggregates up to 62mm (2.44") of precipitation.

In Alì, Italy, snow does not fall in February through December.

In Alì, the average day length in September is 12h and 26min.

On the first day of September in Alì, sunrise is at 06:28 and sunset at 19:27. On the last day of the month, sunrise is at 06:53 and sunset at 18:42 CEST.

In Alì, Italy, the average sunshine duration in September is 10.9h.

In Alì, Italy, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alì, Italy

  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in September: 19.6°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is February (8.3°C).

Average pressure in September
Alì, Italy

  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).

Average wind speed in September
Alì, Italy

  • Average wind speed in September: 9.8km/h

The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

Average humidity in September
Alì, Italy

  • Average humidity in September: 72%

The month with the highest relative humidity is November (77%).
The month with the lowest relative humidity is July (67%).

Average rainfall in September
Alì, Italy

  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is October (71mm).
The driest months (with the least rainfall) are June and July (17mm).

Average rainfall days in September
Alì, Italy

  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is October (15.6 days).
The month with the least rainy days is July (5 days).

Average snowfall in September
Alì, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Alì, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 10h and 54min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).

Average sunshine days in September
Alì, Italy

  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is July (24.2 days).
The months with the least sunshine days are September and October (12.9 days).

Average UV index in September
Alì, 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 February and December (UV index 3).

Average cloud cover in September
Alì, Italy

  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in September
Alì, 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).