September weather forecastComacchio, Italy

September

Weather in September

September, the first month of the autumn in Comacchio, is also a moderately hot month, with an average temperature varying between 19.2°C (66.6°F) and 24.2°C (75.6°F).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 28.6°C (83.5°F) to a still warm 24.2°C (75.6°F). Comacchio's September nights exhibit a subtle drop in temperature, averaging at an enjoyable 19.2°C (66.6°F), closely aligned with the daytime highs.

Humidity

In Comacchio, the average relative humidity in September is 66%.

Rainfall

In Comacchio, in September, it is raining for 14.1 days, with typically 59mm (2.32") of accumulated precipitation. In Comacchio, during the entire year, the rain falls for 154.5 days and collects up to 596mm (23.46") of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September, sunrise is at 06:34 and sunset at 19:47. On the last day of the month, sunrise is at 07:08 and sunset at 18:53 CEST.

Sunshine

In September, the average sunshine is 10.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The average high-temperature and low-temperature during September are 24.2°C (75.6°F) and 19.2°C (66.6°F) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).

The average relative humidity in September is 66%.

In Comacchio, in September, during 14.1 rainfall days, 59mm (2.32") of precipitation is typically accumulated.

In Comacchio, snow does not fall in April through November.

In Comacchio, the average day length in September is 12h and 31min.

In September, on the first day of the month, sunrise is at 06:34 and sunset at 19:47. On the last day of the month, sunrise is at 07:08 and sunset at 18:53 CEST.

In September, the average sunshine duration is 10.3h.

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Comacchio, Italy

  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is July (28.7°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average pressure in September
Comacchio, Italy

  • Average pressure in September: 1015.8mbar

The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in September
Comacchio, Italy

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is February (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

Average humidity in September
Comacchio, Italy

  • Average humidity in September: 66%

The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (62%).

Average rainfall in September
Comacchio, Italy

  • Average rainfall in September: 59mm

The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is August (33mm).

Average rainfall days in September
Comacchio, Italy

  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is August (10.2 days).

Average snowfall in September
Comacchio, Italy

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Comacchio, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 10h and 18min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in September
Comacchio, Italy

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is August (17.1 days).
The month with the least sunshine days is May (12 days).

Average UV index in September
Comacchio, Italy

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Comacchio, Italy

  • Average cloud cover in September: 23

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in September
Comacchio, 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).