The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.
Isernia Weather in September
September in Isernia averages 23°C (73°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 82 mm (3.2 in) on average. An umbrella is a good idea.
Rainfall in Isernia in September
Records from the past 30 years suggest around 8 days of rain, with 82 mm (3.2 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Isernia in September
Isernia has excellent weather in September, with days reaching 23°C (73°F) and nights cooling to 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Isernia in September
Enjoy a sunny month with about 215 hours of sunshine, the clear skies make Isernia even more beautiful.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Isernia.
Isernia Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
28%
Precipitation
82 mm (3.2 in)
Rainy days
8 days
Humidity
66% *
Sunshine
215 hours *
Percentage Sunshine
*
* Data from: Campobasso, Italy (35 KM, 21 Miles).
Isernia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Isernia - and find the best time to visit.
Best Places in Italy in September
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Isernia in September
For Isernia in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Isernia in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Isernia 3-Day Forecast
More climate data for Isernia
Temperature Rainfall Sunshine Humidity
See the full Isernia climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most beautiful historical towns in Italy
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