San Francisco El Alto in September
5.8out of 10
Possible, with caveats
Mild: highs around 20°C. Very wet: about 29 rainy days.
20°CAvg high
12°CAvg low
29Rainy days (322 mm)
12:05 hDaylight
05:58Sunrise · 18:02 Sunset
Why this score
- Mild: highs around 20°C
- Very wet: about 29 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (1.0 days). 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 | 19°C | 9°C | 16 mm | 5 | – | – | 8.0 |
| February | 21°C | 9°C | 16 mm | 4 | – | – | 8.3 |
| March | 22°C | 10°C | 42 mm | 10 | – | – | 7.8 |
| April | 22°C | 11°C | 94 mm | 17 | – | – | 6.7 |
| May | 22°C | 12°C | 257 mm | 27 | – | – | 6.0 |
| June | 20°C | 12°C | 345 mm | 29 | – | – | 5.8 |
| July | 20°C | 11°C | 204 mm | 26 | – | – | 5.8 |
| August | 20°C | 11°C | 243 mm | 28 | – | – | 5.8 |
| September | 20°C | 12°C | 322 mm | 29 | – | – | 5.8 |
| October | 20°C | 12°C | 232 mm | 27 | – | – | 5.7 |
| November | 19°C | 10°C | 66 mm | 14 | – | – | 6.8 |
| December | 19°C | 9°C | 27 mm | 6 | – | – | 7.8 |
Frequently asked questions
How hot is San Francisco El Alto in September?
Daytime highs average 20°C and nights about 12°C.
When is the best time to visit San Francisco El Alto?
The best months are February, January, March, December.