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Catania in September: Weather, Average temperature and Climate

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

Weather in Catania in September 2025

Great Weather
Warm
☀️
Sunny
🌊
Warm water
September is an ideal time to visit Catania if you're seeking a destination with brilliant weather. Anticipate average maximum temperatures of +82°F and about 15 sunny days, ensuring you'll have ample opportunities to soak up the sunshine. It's worth noting, though, that there may be some rainfall, with approximately 44 mm of precipitation over an average of 6 rainy days. So, prepare your sunglasses, a beach towel, and great walking shoes, as it's most likely going to be amazing weather. Search flights in one click on Avionero.

Average weather

☀️
+82°F
Avg. max. temperature
+48°F
Min.
+104°F
Max.
44 mm
Total precipitation
70%
Avg. humidity
3 m/s
Avg. wind
15 ☀️
Sunny Days
4 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Catania has great weather in September.

Average temperature in Catania in September

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

Going from a maximum of +97°F during the day to a minimum of +64°F during the night, the temperature in September averages around +86°F.

The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +84°F to +81°F.

Is Catania warm or cold in September?

Catania is typically warm in September.

Maximum temperatures go down compared to the previous month from +88°F to +82°F. The minimum temperature also goes down from +72°F to +66°F.

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

September is one of the warmest months in Catania, here is the comparison with other months:

Water temperature in Catania in September

Water in Catania in September is Warm. It varies from +74°F to +82°F, with an average of +78°F. This is almost similar to the air temperature, which averages +82°F.

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

The warmest water temperatures in Catania are reached in August, when the average sea temperature rises to +80°F. The coldest water temperatures are in February, with an average of +58°F.

Can you swim in Catania in September?

You can absolutely swim in Catania in September, the water is warm (+78°F in average), similar to heated pools. Suitable for most people, including children and the elderly.
🦭
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
Bring your swimming suit, sunscreen and your favorite inflatable pink flamingo.

Climate in Catania in September

Catania weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+88°F+82°F+75°F
Min. temperature
+61°F+48°F+41°F
Max. temperature
+109°F+104°F+97°F
Rainfall
11 mm44 mm57 mm
Wind
3 m/s3 m/s3 m/s
Avg. water temperature
+80°F+78°F+73°F
Humidity
65%70%75%
Air pressure
1013 HPa1015 HPa1016 HPa
Sunny days
231512
Cloudy days
246
Rainy days
368
Snowy days
000

September weather is still as great as in August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +82°F. Prepare for more rain. Average rainfall goes from 11 mm to 44 mm. Humidity rises from 65% to 70%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 23 sunny days in August to 15 in September.

Next month (October) brings a further decline in the weather.

Wind

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

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Catania is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Catania based on historical data.
Last Year
Historical Data
Typically, there is a 27% chance of rain on an average day in September, with total rainfall of approximately 46 mm. The maximum amount of rainfall per day is around 21 mm, which is considered light rain. On average, there are about 8 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:
Catania wettest month is January, where a typical day has a 35% chance of precipitation and 65 mm of rainfall per day. July, on the other hand, is the driest month with a mere 6% chance of precipitation and 8 mm of rainfall per day.

How was the weather last September in Catania?

This is the weather in Catania in September 2023:
1 September
☀️
+85°F
2 September
☀️
+84°F
3 September
☀️
+87°F
4 September
☀️
+89°F
5 September
☁️
+87°F
6 September
☁️
+83°F
7 September
🌧️
+82°F
8 September
☁️
+82°F
9 September
☀️
+83°F
10 September
☀️
+86°F
11 September
☀️
+88°F
12 September
☀️
+86°F
13 September
☀️
+86°F
14 September
☀️
+86°F
15 September
☀️
+87°F
16 September
☀️
+88°F
17 September
☀️
+88°F
18 September
☀️
+90°F
19 September
☀️
+94°F
20 September
☀️
+91°F
21 September
☀️
+97°F
22 September
☀️
+95°F
23 September
☁️
+85°F
24 September
☁️
+82°F
25 September
🌧️
+78°F
26 September
🌧️
+79°F
27 September
☀️
+82°F
28 September
☀️
+84°F
29 September
☀️
+80°F
30 September
☀️
+81°F
In September 2023 Catania had 22 sunny days, 5 cloudy days, and 3 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +97°F and a minimum of +77°F. The average humidity was 69%, with a maximum of 100% and a minimum of 23%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

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

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

The average temperature was the lowest in 2010 (+69°F) and the highest in 1990 (+76°F). The driest year was 1981 with only 132 mm of rainfall, and the wettest year was 2021 with 1675 mm.

FAQ

Frequently asked questions about the weather in Catania in September:

Is September a good time to visit Catania?

Yes, September is a great time to go to Catania, the weather couldn’t be better. Be ready to get outside, explore and enjoy. Check what other months that are a good time to visit Catania.

Can you sunbathe in Catania in September?

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

Can you swim in Catania in September?

Yes, you can swim in Catania in September, the water temperature averaging at +78°F. This temperature is considered warm and comfortable for most swimmers.

Is Catania rainy in September?

Catania is usually dry in September. Plan your packing around outdoor activities and exploring.

Is it sunny in Catania in September?

The amount of sunny days in Catania 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 Catania

Source of the data

For this page, we’ve looked at the typical weather in Catania, 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.