September weather forecastSalemi, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Salemi, Italy, with temperature in the range of an average low of 20.3°C (68.5°F) and an average high of 26.2°C (79.2°F).

Temperature

The start of September involves a subtle temperature drop, shifting from a tropical 30.5°C (86.9°F) in August to a moderately hot 26.2°C (79.2°F). An average low-temperature of 20.3°C (68.5°F) is recorded during the nights in September in Salemi.

Humidity

In September, the average relative humidity in Salemi, Italy, is 67%.

Rainfall

In Salemi, in September, during 9.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Salemi, Italy, during the entire year, the rain falls for 130.5 days and collects up to 433mm (17.05") of precipitation.

Snowfall

February through November are months without snowfall in Salemi.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Salemi, Italy, sunrise is at 06:39 and sunset at 19:38. On the last day of the month, sunrise is at 07:03 and sunset at 18:53 CEST.

Sunshine

The average sunshine in September is 10.7h.

UV index

In Salemi, Italy, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

The average high-temperature, in September, in Salemi, is 26.2°C (79.2°F), while the average low-temperature is 20.3°C (68.5°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is evaluated at 34°C (93.2°F).

In September, the average relative humidity in Salemi, Italy, is 67%.

In Salemi, Italy, in September, it is raining for 9.5 days, with typically 28mm (1.1") of accumulated precipitation.

In Salemi, Italy, snow does not fall in February through November.

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

In September, on the first day of the month, sunrise is at 06:39 and sunset at 19:38. On the last day of the month, sunrise is at 07:03 and sunset at 18:53 CEST.

The average sunshine duration in September in Salemi, Italy, is 10.7h.

In Salemi, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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
Salemi, Italy

  • Average high temperature in September: 26.2°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is February (13°C).

  • Average low temperature in September: 20.3°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).

Average pressure in September
Salemi, Italy

  • Average pressure in September: 1015.6mbar

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
Salemi, Italy

  • Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Salemi, Italy

  • Average humidity in September: 67%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (57%).

Average rainfall in September
Salemi, Italy

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in September
Salemi, Italy

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is July (1.8 days).

Average snowfall in September
Salemi, Italy

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Salemi, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 10h and 42min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in September
Salemi, Italy

  • Average sunshine days in September: 18.3 days

The month with the most sunshine days is July (29 days).
The month with the least sunshine days is February (11 days).

Average UV index in September
Salemi, Italy

  • Average UV index in September: 6

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

Average cloud cover in September
Salemi, Italy

  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in September
Salemi, 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).