September weather forecastAnnifo, Italy

September

Weather in September

September, the first month of the autumn in Annifo, is still a warm month, with an average temperature varying between 23.1°C (73.6°F) and 12°C (53.6°F).

Temperature

The start of September involves a temperature drop, moving from a moderately hot 28.8°C (83.8°F) in August to a still warm 23.1°C (73.6°F). Throughout September, an average low-temperature of 12°C (53.6°F) is experienced in Annifo.

Humidity

In September, the average relative humidity is 71%.

Rainfall

In Annifo, during September, the rain falls for 11.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Annifo, Italy, during the entire year, the rain falls for 164.8 days and collects up to 540mm (21.26") of precipitation.

Snowfall

In Annifo, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of September, sunrise is at 06:33 and sunset at 19:43. On the last day of the month, sunrise is at 07:05 and sunset at 18:51 CEST.

Sunshine

The average sunshine in September is 10.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

In Annifo, 23.1°C (73.6°F) is the average high-temperature and 12°C (53.6°F) is the average low-temperature during September. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 31°C (87.8°F).

The average relative humidity in September in Annifo, Italy, is 71%.

In Annifo, during September, the rain falls for 11.5 days and regularly aggregates up to 32mm (1.26") of precipitation.

April through October are months without snowfall in Annifo.

In Annifo, the average day length in September is 12h and 30min.

In September, on the first day of the month, sunrise is at 06:33 and sunset at 19:43. On the last day of the month, in Annifo, sunrise is at 07:05 and sunset at 18:51 CEST.

The average sunshine duration in September in Annifo is 10.7h.

In September, the average daily maximum UV index is 4. A UV Index value 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Annifo, Italy

  • Average high temperature in September: 23.1°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in September: 12°C

The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

Average pressure in September
Annifo, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in September
Annifo, Italy

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest month (with the lowest average wind speed) is July (7.7km/h).

Average humidity in September
Annifo, Italy

  • Average humidity in September: 71%

The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Annifo, Italy

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is May (84mm).
The driest month (with the least rainfall) is August (21mm).

Average rainfall days in September
Annifo, Italy

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is August (8.1 days).

Average snowfall in September
Annifo, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Annifo, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (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
Annifo, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 42min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in September
Annifo, Italy

  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in September
Annifo, Italy

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Annifo, Italy

  • Average cloud cover in September: 22

The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September
Annifo, Italy

  • Average visibility in September: 9km

The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).