Ischia · AutumnMonth summary
Ischia weather in September
✅ Good
🌡️ Temperature min / max
64°F – 70°F
🌧 Rainy days
24% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
8.1/10
📅 📅 Best month
July (9.2/10)
Quick decision
Should you visit Ischia in September?
✅ Good
✅ Yes if: you want good weather with lower prices than peak season.
❌ No if: you need guaranteed perfect weather — some mixed days are possible.
Our take: Favourable conditions in September (8.1/10). July scores higher but the gap is small.
By trip type
Ischia in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Ischia is often underrated: 21°F, golden light and declining crowds. An interesting window. Rain risk remains low (24% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if July (9.2/10) remains theoretically better.
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All months for Ischia
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 41°F | 48°F | 39% | 4.1in | 6.9h | 6.0/10 |
| 🌦️ February | 43°F | 50°F | 35% | 3.6in | 9.2h | 6.7/10 |
| 🌦️ March | 43°F | 50°F | 35% | 2.8in | 9.5h | 6.7/10 |
| ⛅ April | 46°F | 54°F | 27% | 2.0in | 11.1h | 7.0/10 |
| ⛅ May | 54°F | 61°F | 24% | 2.0in | 11.9h | 7.3/10 |
| 🌤️ June | 63°F | 70°F | 10% | 0.7in | 13.4h | 8.5/10 |
| 🌤️ July | 68°F | 75°F | 7% | 0.3in | 13.4h | 9.2/10 |
| 🌤️ August | 68°F | 75°F | 9% | 0.6in | 12.3h | 9.1/10 |
| 🌤️ September | 64°F | 70°F | 24% | 2.5in | 11.0h | 8.1/10 |
| 🌤️ October | 57°F | 64°F | 29% | 3.5in | 8.9h | 7.5/10 |
| 🌦️ November | 50°F | 57°F | 47% | 6.6in | 7.4h | 6.9/10 |
| 🌫️ December | 45°F | 52°F | 30% | 3.7in | 6.8h | 7.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Ischia averages 70°F, 24% rainy days and 11.0h of sunshine per day. Overall weather score: 8.1/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 9.2/10). Difference:
- 🌡️ Max temperature : +3°F
- 🌧 Rainy days : -17%
- ☀️ Sunshine : +2.4h/day
FAQ
FAQ — Ischia in September
Is September a good time to visit Ischia?
September is an excellent time to visit Ischia (score 8.1/10). With 70°F, 11.0h of sunshine and 24% rain, conditions are very favourable.
What to do in Ischia in September?
With 70°F and 11.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
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