September weather forecastCeri, Italy

September

Weather in September

September, the first month of the autumn in Ceri, is also a moderately hot month, with an average temperature fluctuating between 17.5°C (63.5°F) and 26°C (78.8°F).

Temperature

The arrival of September corresponds with a light shift in temperature, down from a hot 30.9°C (87.6°F) in August to a moderately hot 26°C (78.8°F). Throughout the month of September, Ceri witnesses an average low-temperature of 17.5°C (63.5°F).

Humidity

The average relative humidity in September is 65%.

Rainfall

In September, the rain falls for 9.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 116.5 rainfall days, and 416mm (16.38") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 06:37 and sunset at 19:44. On the last day of September, in Ceri, sunrise is at 07:07 and sunset at 18:54 CEST.

Sunshine

In Ceri, the average sunshine in September is 10.7h.

UV index

In September, the average daily maximum UV index in Ceri is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In September, in Ceri, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 17.5°C (63.5°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 34°C (93.2°F).

The average relative humidity in September in Ceri, Italy, is 65%.

In Ceri, Italy, in September, during 9.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

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

The average day length in September in Ceri is 12h and 29min.

On the first day of September, sunrise is at 06:37 and sunset at 19:44. On the last day of the month, sunrise is at 07:07 and sunset at 18:54 CEST.

In September, the average sunshine duration in Ceri, Italy, is 10.7h.

In Ceri, Italy, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Ceri, Italy

  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (11.3°C).

  • Average low temperature in September: 17.5°C

The month with the highest average low temperature is August (20.7°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).

Average pressure in September
Ceri, Italy

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in September
Ceri, Italy

  • Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).

Average humidity in September
Ceri, Italy

  • Average humidity in September: 65%

The months with the highest relative humidity are January and November (77%).
The month with the lowest relative humidity is August (58%).

Average rainfall in September
Ceri, Italy

  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in September
Ceri, Italy

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in September
Ceri, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Ceri, 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 March, April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 42min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in September
Ceri, Italy

  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (14.4 days).

Average UV index in September
Ceri, Italy

  • Average UV index in September: 5

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
Ceri, Italy

  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Ceri, 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).