Adelaide · AutumnMonth summary
Adelaide weather in September
✅ Good
🌡️ Temperature min / max
50°F – 61°F
🌧 Rainy days
39% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
January (9.6/10)
Quick decision
Should you visit Adelaide in September?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Adelaide in September: 61°F and 11.0h of sunshine. Decent, but not the peak.
By trip type
Adelaide in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
Autumn in Adelaide is often underrated: 16°F, golden light and declining crowds. An interesting window. Expect rain on 39% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (9.6/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 61°F | 82°F | 14% | 0.0in | 13.8h | 9.6/10 |
| ☀️ February | 61°F | 79°F | 10% | 0.0in | 12.4h | 9.1/10 |
| ☀️ March | 59°F | 77°F | 13% | 0.0in | 11.8h | 8.8/10 |
| 🌤️ April | 55°F | 70°F | 22% | 0.1in | 10.4h | 7.7/10 |
| ⛅ May | 52°F | 63°F | 34% | 0.1in | 9.4h | 7.0/10 |
| 🌦️ June | 48°F | 57°F | 43% | 0.1in | 8.8h | 5.2/10 |
| 🌦️ July | 46°F | 57°F | 44% | 0.1in | 9.1h | 5.3/10 |
| 🌦️ August | 48°F | 57°F | 44% | 0.1in | 9.9h | 5.6/10 |
| ⛅ September | 50°F | 61°F | 39% | 0.1in | 11.0h | 7.0/10 |
| 🌤️ October | 52°F | 66°F | 30% | 0.1in | 12.2h | 7.4/10 |
| 🌤️ November | 55°F | 70°F | 27% | 0.1in | 13.0h | 7.9/10 |
| ☀️ December | 57°F | 77°F | 15% | 0.0in | 13.8h | 9.1/10 |
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, Adelaide averages 61°F, 39% rainy days and 11.0h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs January (best month)
The best month is January (score 9.6/10). Difference:
- 🌡️ Max temperature : +12°F
- 🌧 Rainy days : -25%
- ☀️ Sunshine : +2.8h/day
FAQ
FAQ — Adelaide in September
Is September a good time to visit Adelaide?
September is an acceptable time for Adelaide (score 7.0/10). Conditions are decent but not optimal — consider January (9.6/10) if possible.
What to do in Adelaide in September?
With 61°F max and 11.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Adelaide
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