San Clemente Weather in September
San Clemente in September
The short of it: San Clemente in September averages a high of 17 °C (63 °F) and a low of 5 °C (42 °F), with 70 mm (2.8 in) of rain and about 11 h 56 min of daylight. Rated 4 of 5 for a visit; the best months are November and March. Source: TerraClimate climate normals, 1991–2020.
Average high 17° · low 5° · rain 70 mm · daylight 11 h 56 min
✦✦✦✦ Recommended for a visit · best months: November & March
September in San Clemente brings afternoons near 17° and nights around 5°, with about 70 mm of rain over the month. Much like August: highs about 17°, nights near 5°. A wool coat will serve you well. Wet spells are common — about 70 mm, the 5th wettest month.
The sun is up for about 11 h 56 min in mid-September, 68 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 4 of 5 for a visit; the finest months here are November and March.
Against its neighbours, San Clemente runs warmer than most and wetter than most in September. Pelarco, 17 km to the NNE, sees much the same highs.
September in San Clemente, by the numbers
- Warmth rank
- 8th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 3° warmer, 63 mm less rain
- Versus October
- 3° colder
- Day–night spread
- 12°
- Snow season
- seldom any
- Daylight, mid-month
- 11 h 56 min
- Average wind
- 7 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PelarcoMaule Region | 17 km NNE | 17° | 6° | 67 mm |
| MauleMaule Region | 18 km W | 17° | 6° | 58 mm |
| ColbúnMaule Region | 19 km SSE | 17° | 5° | 84 mm |
| TalcaMaule Region | 19 km NW | 17° | 6° | 59 mm |
| San JavierMaule Region | 23 km WSW | 17° | 6° | 57 mm |
| Yerbas BuenasMaule Region | 25 km SSW | 17° | 6° | 68 mm |
| San RafaelMaule Region | 26 km N | 17° | 6° | 61 mm |
| Villa AlegreMaule Region | 28 km WSW | 17° | 6° | 60 mm |