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Bolzano in September: Weather, Average temperature and Climate

Discover the weather for Bolzano in September and if it’s a good time to travel (based on historical data).
Check flight prices to Bolzano on Avionero:
September

Weather in Bolzano in September 2025

Good Weather
Mild
🌧️
Rainy
Weather for Bolzano in September is typically good with an average maximum temperature of +21°C during the day, and approximately 7 sunny days monthly. Typically, there are about 15 rainy days with the total average precipitation that falls in September around 86 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+21°C
Avg. max. temperature
+2°C
Min.
+32°C
Max.
86 mm
Total precipitation
70%
Avg. humidity
0 m/s
Avg. wind
7 ☀️
Sunny Days
8 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Bolzano has good weather in September.

Average temperature in Bolzano in September

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

The expected average maximum temperature in September is +25°C with a maximum of +30°C and a minimum of +9°C.

The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +25°C to +26°C.

Is Bolzano warm or cold in September?

Bolzano is typically mild in September.

Maximum temperatures go down compared to the previous month from +25°C to +21°C. The minimum temperature also goes down from +14°C to +11°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

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

Climate in Bolzano in September

Bolzano weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+25°C+21°C+16°C
Min. temperature
+5°C+2°C-11°C
Max. temperature
+36°C+32°C+26°C
Rainfall
89 mm86 mm116 mm
Wind
0 m/s0 m/s0 m/s
Humidity
68%70%72%
Air pressure
1016 HPa1017 HPa1017 HPa
Sunny days
677
Cloudy days
887
Rainy days
151517
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +25°C in the day, the average maximum temperature lowers to +21°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 89 mm to 86 mm. Humidity rises from 68% to 70%. The average wind speed doesn’t change much during September, staying around 0 m/s. The good news is there are likely to be more sunny days in September, from 6 to 7.

October brings much the same weather, it remains good.

Wind

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

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Bolzano is gradually decreasing during September, going from 1 m/s to 0 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Bolzano based on historical data.
Last Year
Historical Data
Total precipitation in September is about 95 mm, with a 30% chance of rain on a typical day. The maximum amount of rainfall per day is around 33 mm, which is moderate 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:
Bolzano wettest month is October, where a typical day has a 55% chance of precipitation and 116 mm of rainfall per day. January, on the other hand, is the driest month with a mere 10% chance of precipitation and 30 mm of rainfall per day.

How was the weather last September in Bolzano?

This is the weather in Bolzano in September 2023:
1 September
☁️
+25°C
2 September
☀️
+27°C
3 September
☀️
+28°C
4 September
☀️
+29°C
5 September
☀️
+26°C
6 September
☀️
+28°C
7 September
☀️
+28°C
8 September
☀️
+28°C
9 September
☀️
+29°C
10 September
☀️
+30°C
11 September
☀️
+30°C
12 September
☀️
+29°C
13 September
🌧️
+23°C
14 September
🌧️
+23°C
15 September
☁️
+22°C
16 September
☁️
+22°C
17 September
☀️
+25°C
18 September
🌧️
+22°C
19 September
☀️
+25°C
20 September
☁️
+23°C
21 September
🌧️
+22°C
22 September
🌧️
+18°C
23 September
☁️
+20°C
24 September
☀️
+20°C
25 September
☀️
+23°C
26 September
☀️
+25°C
27 September
☀️
+25°C
28 September
☀️
+26°C
29 September
☀️
+26°C
30 September
☀️
+26°C
In September 2023 Bolzano had 20 sunny days, 5 cloudy days, and 5 rainy days. The average maximum temperature was +25°C, with an absolute maximum of +30°C and a minimum of +18°C. The average humidity was 70%, with a maximum of 100% and a minimum of 33%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Bolzano climate have been changing during last 43 years period.

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

The average temperature was the lowest in 1980 (+13°C) and the highest in 2022 (+18°C). The driest year was 2003 with only 643 mm of rainfall, and the wettest year was 2023 with 1485 mm.

FAQ

Frequently asked questions about the weather in Bolzano in September:

Is September a good time to visit Bolzano?

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

Can you sunbathe in Bolzano in September?

September has mild temperatures in Bolzano. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Bolzano rainy in September?

Bolzano 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 Bolzano in September?

Usually, it’s not very sunny in Bolzano in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Italy

Check out the weather for other cities in Italy.

Monthly weather in Bolzano

Source of the data

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