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Rimini Weather in September
Rimini in September averages 24°C (75°F) during the day and 18°C (64°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Rimini in September
Rain is expected on roughly 9 days, totalling around 81 mm (3.2 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Rimini in September
The temperature in Rimini in September is excellent. Daytime highs reach 24°C (75°F), with nights dropping to 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Rimini in September
There are approximately 205 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in September
With water at 22°C (72°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Rimini.
Rimini Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Water Temperature
22°C (72°F)
Chance of Rain
31%
Precipitation
81 mm (3.2 in)
Rainy days
9 days
Humidity
76%
Sunshine
205 hours
Percentage Sunshine
53%
Rimini Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rimini - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rimini typically drop from around 26°C (79°F) at the start of September to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Rimini in September
Browse day-by-day weather records for Rimini spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rimini historical weather extremes in September
Our historical data for Rimini spans 1976 to 2026, revealing these weather extremes.
- The hottest September day on record in Rimini reached 35°C (95°F) (September 5, 2026).
- On September 18, 1977, Rimini saw its coldest September day with temperatures maxing out at 13°C (55°F).
- Nighttime temperatures dropped to 6°C (43°F) on September 29, 1977, marking the coldest September night on record.
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 Rimini in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 22°C (72°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Rimini in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Rimini 3-Day Forecast
More climate data for Rimini
Temperature Rainfall Sunshine Humidity Water Temp
See the full Rimini climate overview or explore weather in Italy.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
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The 10 most beautiful historical towns in Italy
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