Bratislava · AutumnMonth summary
Bratislava weather in September
✅ Good
🌡️ Temperature min / max
13°C – 23°C
🌧 Rainy days
30% of days
☀️ Sunshine
11.1h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
July (8.9/10)
Quick decision
Should you visit Bratislava in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 23°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Bratislava in September: 23°C and 11.1h of sunshine. Decent, but not the peak.
By trip type
Bratislava in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Grape harvest — winery visits, tastings and festive atmosphere in the vineyards Autumn in Bratislava is often underrated: 23°C, golden light and declining crowds. An interesting window. Expect rain on 30% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if July (8.9/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | -2°C | 4°C | 32% | 1.2 | 5.1h | 4.0/10 |
| 🌫️ February | 0°C | 8°C | 29% | 1.2 | 7.5h | 4.6/10 |
| 🌫️ March | 2°C | 11°C | 23% | 1.0 | 10.0h | 6.6/10 |
| ⛅ April | 6°C | 16°C | 29% | 1.4 | 11.7h | 7.1/10 |
| 🌤️ May | 11°C | 21°C | 35% | 2.3 | 12.7h | 7.7/10 |
| 🌤️ June | 16°C | 26°C | 36% | 2.2 | 14.1h | 8.5/10 |
| 🌤️ July | 18°C | 28°C | 30% | 1.8 | 13.7h | 8.9/10 |
| 🌤️ August | 18°C | 28°C | 27% | 1.9 | 12.9h | 8.9/10 |
| 🌤️ September | 13°C | 23°C | 30% | 2.6 | 11.1h | 7.8/10 |
| ⛅ October | 8°C | 16°C | 29% | 1.7 | 8.5h | 7.0/10 |
| 🌫️ November | 3°C | 9°C | 31% | 1.7 | 5.0h | 4.2/10 |
| 🌨️ December | 0°C | 4°C | 31% | 1.6 | 4.2h | 3.4/10 |
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, Bratislava averages 23°C, 30% rainy days and 11.1h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
September vs July (best month)
The best month is July (score 8.9/10). Difference:
- 🌡️ Max temperature : +5°C
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +2.6h/day
FAQ
FAQ — Bratislava in September
Is September a good time to visit Bratislava?
September is an excellent time to visit Bratislava (score 7.8/10). With 23°C, 11.1h of sunshine and 30% rain, conditions are very favourable.
What to do in Bratislava in September?
With 23°C max and 11.1h of sunshine, focus on cultural sites, museums and local gastronomy.
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