Weather in Pisa in September 2025
Average weather
Average temperature in Pisa in September
Going from a maximum of +32°C during the day to a minimum of +12°C during the night, the temperature in September averages around +28°C.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +27°C to +27°C.
Is Pisa warm or cold in September?
Pisa is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +25°C. The minimum temperature also goes down from +21°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Pisa, here is the comparison with other months:
Water temperature in Pisa in September
Water in Pisa in September is Comfortable. It varies from +21°C to +26°C, with an average of +23°C. This is almost similar to the air temperature, which averages +25°C.
The water temperature in September is one of the warmest of the entire year:
Can you swim in Pisa in September?
Climate in Pisa in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +25°C | +21°C | ||||
| Min. temperature | ||||||
| +14°C | +9°C | +5°C | ||||
| Max. temperature | ||||||
| +38°C | +33°C | +30°C | ||||
| Rainfall | ||||||
| 39 mm | 93 mm | 139 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +23°C | +20°C | ||||
| Humidity | ||||||
| 71% | 73% | 78% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 18 | 13 | 9 | ||||
| Cloudy days | ||||||
| 4 | 4 | 6 | ||||
| Rainy days | ||||||
| 5 | 7 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +25°C. Prepare for more rain. Average rainfall goes from 39 mm to 93 mm. Humidity rises from 71% to 73%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 18 sunny days in August to 13 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Pisa is gradually decreasing during September, going from 2 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Pisa?
Climate Change over Years
The climate in Pisa in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+18°C) and the highest in 2022 (+22°C). The driest year was 1989 with only 534 mm of rainfall, and the wettest year was 2019 with 2303 mm.
FAQ
Is September a good time to visit Pisa?
Can you sunbathe in Pisa in September?
Can you swim in Pisa in September?
Is Pisa rainy in September?
Is it sunny in Pisa in September?
Other cities in Italy
Monthly weather in Pisa
Source of the data
For this page, we’ve looked at the typical weather in Pisa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.