September weather forecastNarbolia, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Narbolia, Italy, with an average temperature varying between 26°C (78.8°F) and 18.6°C (65.5°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from 29.9°C (85.8°F) in August to a still moderately hot 26°C (78.8°F). Narbolia encounters a steady low-temperature average of 18.6°C (65.5°F) throughout the month of September.

Humidity

In September, the average relative humidity is 68%.

Rainfall

In September, in Narbolia, Italy, the rain falls for 7.5 days. Throughout September, 15mm (0.59") of precipitation is accumulated. Throughout the year, there are 107.3 rainfall days, and 264mm (10.39") of precipitation is accumulated.

Snowfall

In Narbolia, snow does not fall in January, March through December.

Daylight

In Narbolia, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 06:53 and sunset at 19:57. On the last day of September, sunrise is at 07:21 and sunset at 19:09 CEST.

Sunshine

The average sunshine in September in Narbolia, Italy, is 10h.

UV index

The average daily maximum UV index in September in Narbolia is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

The high-temperature, in September, in Narbolia, records 26°C (78.8°F), while the low-temperature is 18.6°C (65.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 33°C (91.4°F).

In Narbolia, Italy, the average relative humidity in September is 68%.

In September, in Narbolia, the rain falls for 7.5 days. Throughout September, 15mm (0.59") of precipitation is accumulated.

January, March through December are months without snowfall.

The average day length in September in Narbolia, Italy, is 12h and 27min.

On the first day of September in Narbolia, Italy, 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.

In September, the average sunshine duration in Narbolia, Italy, is 10h.

In September, the average daily maximum UV index in Narbolia is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Narbolia, Italy

  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (12.8°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).

Average pressure in September
Narbolia, Italy

  • Average pressure in September: 1015.8mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The months with the lowest atmospheric pressure are April and November (1014.2mbar).

Average wind speed in September
Narbolia, Italy

  • Average wind speed in September: 11.1km/h

The windiest month (with the highest average wind speed) is January (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September
Narbolia, Italy

  • Average humidity in September: 68%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Narbolia, Italy

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in September
Narbolia, Italy

  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is January (12.5 days).
The month with the least rainy days is July (3.1 days).

Average snowfall in September
Narbolia, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Narbolia, Italy

  • Average snowfall days in September: 0 days

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

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

  • Average daylight in September: 12h and 30min

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 24min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Narbolia, Italy

  • Average sunshine days in September: 19.3 days

The months with the most sunshine days are July and August (25.2 days).
The month with the least sunshine days is February (14.6 days).

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

Average cloud cover in September
Narbolia, Italy

  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in September
Narbolia, 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).