San Rafael in September
5.6out of 10
Possible, with caveats
Mild: highs around 19°C. Very wet: about 25 rainy days.
19°CAvg high
9°CAvg low
25Rainy days (275 mm)
12:06 hDaylight
07:26Sunrise · 19:32 Sunset
Why this score
- Mild: highs around 19°C
- Very wet: about 25 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.9 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 | 17°C | 4°C | 28 mm | 5 | – | – | 7.6 |
| February | 19°C | 5°C | 29 mm | 6 | – | – | 7.8 |
| March | 21°C | 6°C | 52 mm | 10 | – | – | 7.5 |
| April | 21°C | 7°C | 96 mm | 14 | – | – | 7.0 |
| May | 21°C | 8°C | 165 mm | 19 | – | – | 6.0 |
| June | 20°C | 9°C | 272 mm | 23 | – | – | 5.8 |
| July | 19°C | 8°C | 278 mm | 27 | – | – | 5.7 |
| August | 19°C | 9°C | 285 mm | 28 | – | – | 5.7 |
| September | 19°C | 9°C | 275 mm | 25 | – | – | 5.6 |
| October | 19°C | 7°C | 135 mm | 16 | – | – | 6.2 |
| November | 18°C | 5°C | 49 mm | 9 | – | – | 7.4 |
| December | 18°C | 4°C | 19 mm | 5 | – | – | 7.8 |
Frequently asked questions
How hot is San Rafael in September?
Daytime highs average 19°C and nights about 9°C.
When is the best time to visit San Rafael?
The best months are February, December, January, March.