September weather forecast
Pisa, Italy

The renowned Leaning Tower of Pisa, next to the iconic Pisa Cathedral buildings within the Piazza dei Miracoli in Tuscany, Italy
The renowned Leaning Tower of Pisa, next to the iconic Pisa Cathedral buildings within the Piazza dei Miracoli in Tuscany, Italy

September

Weather in September

As the summer heat begins to wane, September maintains a warm and inviting atmosphere in Pisa. The month sees a gradual decline in temperature and a corresponding increase in rainfall which totals 49mm (1.93"). However, it continues to offer favorable light conditions, with daylight exposure and sunshine durations measuring in at 12.5 and 10.4 hours respectively. Despite the occasional showers, visibility remains high, and outdoor activities continue to be a prominent attraction. The blend of warm weather and increased precipitation makes September a defining bridging month between summer and autumn in Pisa.

Temperature

Pisa observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 28.5°C (83.3°F) to a still moderately hot 24.2°C (75.6°F). Throughout September, Pisa registers a consistent average low-temperature of 16.2°C (61.2°F).

Humidity

In Pisa, the average relative humidity in September is 71%.

Rainfall

In Pisa, during September, the rain falls for 12.2 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Pisa, there are 152 rainfall days, and 666mm (26.22") of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Pisa.

Daylight

In September, the average length of the day in Pisa is 12h and 30min.
On the first day of September, sunrise is at 06:42 and sunset at 19:53. On the last day of the month, sunrise is at 07:15 and sunset at 19:01 CEST.

Sunshine

In September, the average sunshine in Pisa is 10.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the average September temperature in Pisa?
The average high-temperature, in September, in Pisa, is 24.2°C (75.6°F), while the average low-temperature is 16.2°C (61.2°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 31°C (87.8°F).
What is the average humidity in September in Pisa?
In Pisa, the average relative humidity in September is 71%.
How much does it rain in Pisa in September?
In Pisa, Italy, in September, it is raining for 12.2 days, with typically 49mm (1.93") of accumulated precipitation.
When it does not snow in Pisa?
April through November are months without snowfall.
What is the average length of the day in September in Pisa?
In Pisa, Italy, the average day length in September is 12h and 30min.
When is the sunrise / sunset in September in Pisa?
In September, on the first day of the month, sunrise is at 06:42 and sunset at 19:53. On the last day of the month, sunrise is at 07:15 and sunset at 19:01 CEST.
How many hours of sunshine does Pisa have in September?
In Pisa, the average sunshine duration in September is 10.4h.
What is the UV index reading in September in Pisa?
In Pisa, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Pisa, Italy
Average temperature in September
Pisa, Italy
  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.5°C).

  • Average low temperature in September: 16.2°C

The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).

Average pressure in September - Pisa, Italy
Average pressure in September
Pisa, Italy
  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September - Pisa, Italy
Average wind speed in September
Pisa, Italy
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

Average humidity in September - Pisa, Italy
Average humidity in September
Pisa, Italy
  • Average humidity in September: 71%

The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September - Pisa, Italy
Average rainfall in September
Pisa, Italy
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (25mm).

Average rainfall days in September - Pisa, Italy
Average rainfall days in September
Pisa, Italy
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is November (16.2 days).
The month with the least rainy days is August (8.8 days).

Average snowfall in September - Pisa, Italy
Average snowfall in September
Pisa, Italy
  • Average snowfall in September: 0mm

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

Average snowfall days in September - Pisa, Italy
Average snowfall days in September
Pisa, Italy
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 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 - Pisa, Italy
Average daylight in September /
Average sunshine in September
Pisa, Italy
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in September - Pisa, Italy
Average sunshine days in September
Pisa, Italy
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is November (11.8 days).

Average UV index in September - Pisa, Italy
Average UV index in September
Pisa, Italy
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September - Pisa, Italy
Average cloud cover in September
Pisa, Italy
  • Average cloud cover in September: 21

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

Average visibility in September - Pisa, Italy
Average visibility in September
Pisa, Italy
  • Average visibility in September: 10km

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

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