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Florence in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Florence in September will be like? Take a look at our weather guide for Florence, based on historical data.
Check flight prices to Florence on Avionero:
September

Weather in Florence in September 2024

Good Weather
Warm
☀️
Sunny
Are you considering a trip to Florence in September? Well, the weather is usually on your side with an average maximum temperature of +77°F and about 15 sunny days. Just keep in mind that there may be some rain, with an average of 6 rainy days and 81 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
+43°F
Min.
+93°F
Max.
81 mm
Total precipitation
68%
Avg. humidity
1 m/s
Avg. wind
15 ☀️
Sunny Days
9 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Florence has good weather in September.

Average temperature in Florence in September

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

Going from a maximum of +91°F during the day to a minimum of +48°F during the night, the temperature in September averages around +79°F.

The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +82°F to +64°F.

Is Florence warm or cold in September?

Florence is typically warm in September.

Maximum temperatures go down compared to the previous month from +86°F to +77°F. The minimum temperature also goes down from +66°F to +59°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Florence:

Climate in Florence in September

Florence weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+86°F+77°F+68°F
Min. temperature
+52°F+43°F+34°F
Max. temperature
+104°F+93°F+84°F
Rainfall
39 mm81 mm101 mm
Wind
1 m/s1 m/s1 m/s
Humidity
62%68%75%
Air pressure
1013 HPa1014 HPa1015 HPa
Sunny days
201510
Cloudy days
8913
Rainy days
368
Snowy days
000

September typically has worse weather conditions compared to August. It’s getting colder in September. From +86°F in the day, the average maximum temperature lowers to +77°F. Prepare for more rain. Average rainfall goes from 39 mm to 81 mm. Humidity rises from 62% to 68%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 20 sunny days in August to 15 in September.

October brings much the same weather, it remains good.

Wind

Wind speed in Florence 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 Florence is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Florence based on historical data.
Last Year
Historical Data
Typically, there is a 57% chance of rain on an average day in September, with total rainfall of approximately 257 mm. The maximum amount of rainfall per day is around 58 mm, which is considered heavy rain. September is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Florence wettest month is November, where a typical day has a 30% chance of precipitation and 112 mm of rainfall per day. July, on the other hand, is the driest month with a mere 6% chance of precipitation and 27 mm of rainfall per day.

How was the weather last September in Florence?

This is the weather in Florence in September 2023:
1 September
☀️
+82°F
2 September
☀️
+87°F
3 September
☀️
+78°F
4 September
☀️
+87°F
5 September
☀️
+90°F
6 September
☀️
+91°F
7 September
☀️
+90°F
8 September
☁️
+86°F
9 September
☀️
+85°F
10 September
☀️
+81°F
11 September
☀️
+84°F
12 September
☀️
+86°F
13 September
☀️
+87°F
14 September
☁️
+85°F
15 September
🌧️
+81°F
16 September
☁️
+83°F
17 September
☀️
+69°F
18 September
☀️
+76°F
19 September
☁️
+78°F
20 September
☀️
+79°F
21 September
☀️
+72°F
22 September
☀️
+71°F
23 September
☀️
+74°F
24 September
☁️
+67°F
25 September
🌧️
+68°F
26 September
☁️
+74°F
27 September
🌧️
+70°F
28 September
🌧️
+69°F
29 September
🌧️
+70°F
30 September
🌧️
+64°F
In September 2023 Florence had 18 sunny days, 6 cloudy days, and 6 rainy days. The average maximum temperature was +79°F, with an absolute maximum of +91°F and a minimum of +64°F. The average humidity was 77%, with a maximum of 98% and a minimum of 31%. The average wind speed was 2 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1996 (+75°F) and the highest in 2016 (+90°F). The driest year was 1980 with only 1 mm of rainfall, and the wettest year was 2022 with 272 mm.

FAQ

Frequently asked questions about the weather in Florence in September:

Is September a good time to visit Florence?

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

Can you sunbathe in Florence in September?

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

Is Florence rainy in September?

Florence 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 Florence in September?

The amount of sunny days in Florence 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 Florence

Source of the data

For this page, we’ve looked at the typical weather in Florence, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.