Warsaw · AutumnMonth summary
Warsaw weather in September
✅ Good
🌡️ Temperature min / max
54°F – 68°F
🌧 Rainy days
32% of days
☀️ Sunshine
10.6h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.4/10
📅 📅 Best month
June (8.1/10)
Quick decision
Should you visit Warsaw 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: Favourable conditions in September (7.4/10). June scores higher but the gap is small.
By trip type
Warsaw in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
Autumn in Warsaw is often underrated: 20°F, golden light and declining crowds. An interesting window. Expect rain on 32% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (8.1/10) is significantly better if possible.
Browse by month
All months for Warsaw
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | 28°F | 36°F | 42% | 0.1in | 1.8h | 1.8/10 |
| 🌦️ February | 30°F | 41°F | 40% | 0.1in | 4.5h | 2.9/10 |
| 🌫️ March | 32°F | 46°F | 33% | 0.0in | 7.8h | 4.5/10 |
| ⛅ April | 39°F | 57°F | 35% | 0.1in | 10.8h | 7.0/10 |
| 🌤️ May | 48°F | 66°F | 39% | 0.1in | 13.0h | 7.3/10 |
| 🌤️ June | 57°F | 75°F | 37% | 0.1in | 13.5h | 8.1/10 |
| 🌤️ July | 61°F | 77°F | 46% | 0.1in | 12.9h | 7.9/10 |
| 🌤️ August | 59°F | 77°F | 37% | 0.1in | 12.5h | 8.1/10 |
| 🌤️ September | 54°F | 68°F | 32% | 0.1in | 10.6h | 7.4/10 |
| 🌦️ October | 45°F | 55°F | 40% | 0.1in | 7.0h | 4.8/10 |
| 🌫️ November | 37°F | 45°F | 32% | 0.1in | 2.8h | 3.5/10 |
| 🌨️ December | 32°F | 37°F | 37% | 0.1in | 1.0h | 1.8/10 |
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, Warsaw averages 68°F, 32% rainy days and 10.6h of sunshine per day. Overall weather score: 7.4/10.
See methodology →
Comparison
September vs June (best month)
The best month is June (score 8.1/10). Difference:
- 🌡️ Max temperature : +4°F
- 🌧 Rainy days : +5%
- ☀️ Sunshine : +2.9h/day
FAQ
FAQ — Warsaw in September
Is September a good time to visit Warsaw?
September is an acceptable time for Warsaw (score 7.4/10). Conditions are decent but not optimal — consider June (8.1/10) if possible.
What to do in Warsaw in September?
With 68°F max and 10.6h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Warsaw
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