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Pisa in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Pisa in September and see if it is worth visiting.
Check flight prices to Pisa on Avionero:
September

Weather in Pisa in September 2025

Good Weather
Warm
☀️
Sunny
🌊
Comfortable water
Are you considering a trip to Pisa in September? Well, the weather is usually on your side with an average maximum temperature of +77°F and about 13 sunny days. Just keep in mind that there may be some rain, with an average of 7 rainy days and 93 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+77°F
Avg. max. temperature
+48°F
Min.
+91°F
Max.
93 mm
Total precipitation
73%
Avg. humidity
2 m/s
Avg. wind
13 ☀️
Sunny Days
4 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Pisa has good weather in September.

Average temperature in Pisa in September

Here are the expected maximum, average and minimum temperatures in Pisa for September based on the historical data.
Last Year
Historical Data

The temperature in September is +82°F on average, with a range between a maximum of +90°F during the day and a minimum of +54°F at night.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +81°F to +81°F.

Is Pisa warm or cold in September?

Pisa is typically warm in September.

Maximum temperatures go down compared to the previous month from +82°F to +77°F. The minimum temperature also goes down from +70°F to +64°F.

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 +70°F to +78°F, with an average of +74°F. This is almost similar to the air temperature, which averages +77°F.

The water temperature in September is one of the warmest of the entire year:

The warmest water temperatures in Pisa are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in February, with an average of +55°F.

Can you swim in Pisa in September?

The water in Pisa in September is pretty comfortable (+74°F in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don’t forget a large beach towel or two for drying off.

Climate in Pisa in September

Pisa weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+82°F+77°F+70°F
Min. temperature
+57°F+48°F+41°F
Max. temperature
+100°F+91°F+86°F
Rainfall
39 mm93 mm139 mm
Wind
2 m/s2 m/s2 m/s
Avg. water temperature
+77°F+74°F+69°F
Humidity
71%73%78%
Air pressure
1013 HPa1015 HPa1015 HPa
Sunny days
18139
Cloudy days
446
Rainy days
5710
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +82°F in the day, the average maximum temperature lowers to +77°F. 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

Wind speed in Pisa in September based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during September in Pisa based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 30%, leading to total precipitation of around 42 mm. The maximum amount of rainfall per day is around 14 mm, which is considered light rain. On average, there are about 9 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Pisa wettest month is November, where a typical day has a 40% chance of precipitation and 148 mm of rainfall per day. July, on the other hand, is the driest month with a mere 13% chance of precipitation and 21 mm of rainfall per day.

How was the weather last September in Pisa?

This is the weather in Pisa in September 2023:
1 September
☀️
+80°F
2 September
☀️
+88°F
3 September
☀️
+87°F
4 September
☀️
+89°F
5 September
☀️
+85°F
6 September
☀️
+84°F
7 September
☀️
+90°F
8 September
☀️
+90°F
9 September
☀️
+86°F
10 September
☀️
+86°F
11 September
☀️
+85°F
12 September
☀️
+81°F
13 September
☀️
+80°F
14 September
☀️
+83°F
15 September
☀️
+82°F
16 September
☀️
+84°F
17 September
☁️
+86°F
18 September
☀️
+82°F
19 September
🌧️
+81°F
20 September
☀️
+77°F
21 September
☀️
+80°F
22 September
☁️
+74°F
23 September
☀️
+73°F
24 September
☀️
+77°F
25 September
☀️
+78°F
26 September
☀️
+83°F
27 September
☀️
+82°F
28 September
☀️
+81°F
29 September
☀️
+80°F
30 September
☀️
+80°F
In September 2023 Pisa had 27 sunny days, 2 cloudy days, and 1 rainy days. The average maximum temperature was +82°F, with an absolute maximum of +90°F and a minimum of +73°F. The average humidity was 69%, with a maximum of 100% and a minimum of 35%. The average wind speed was 2 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Pisa climate has changed over the last 43 years.

The climate in Pisa in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+64°F) and the highest in 2022 (+72°F). The driest year was 1989 with only 534 mm of rainfall, and the wettest year was 2019 with 2303 mm.

FAQ

Frequently asked questions about the weather in Pisa in September:

Is September a good time to visit Pisa?

September is a really good time to go to Pisa. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Pisa.

Can you sunbathe in Pisa in September?

September is warm in Pisa. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Can you swim in Pisa in September?

Yes, the water temperature in Pisa in September is considered moderate and enjoyable for most people, averaging around +74°F.

Is Pisa rainy in September?

Pisa is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Pisa in September?

The amount of sunny days in Pisa during September varies; prepare for a mix of clouds and sun.

Other cities in Italy

Check out the weather for 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.