Riobamba in September
6.4out of 10
Possible, with caveats
Mild: highs around 15°C. Frequent rain: about 12 rainy days.
15°CAvg high
3°CAvg low
12Rainy days (49 mm)
11:59 hDaylight
06:09Sunrise · 18:09 Sunset
Why this score
- Mild: highs around 15°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±4.9 days)
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±4.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 14°C | 4°C | 134 mm | 22 | – | – | 4.9 |
| February | 14°C | 5°C | 159 mm | 23 | – | – | 4.8 |
| March | 14°C | 5°C | 205 mm | 28 | – | – | 4.8 |
| April | 14°C | 5°C | 177 mm | 27 | – | – | 4.8 |
| May | 14°C | 4°C | 115 mm | 22 | – | – | 4.8 |
| June | 13°C | 3°C | 74 mm | 17 | – | – | 5.5 |
| July | 13°C | 3°C | 49 mm | 12 | – | – | 6.0 |
| August | 14°C | 2°C | 29 mm | 8 | – | – | 6.7 |
| September | 15°C | 3°C | 49 mm | 12 | – | – | 6.4 |
| October | 15°C | 4°C | 113 mm | 22 | – | – | 4.9 |
| November | 14°C | 4°C | 142 mm | 23 | – | – | 4.8 |
| December | 14°C | 4°C | 136 mm | 23 | – | – | 4.8 |
Frequently asked questions
How hot is Riobamba in September?
Daytime highs average 15°C and nights about 3°C.
When is the best time to visit Riobamba?
The best months are August, September.