San Antonio Weather in September
San Antonio in September
The short of it: San Antonio in September averages a high of 33 °C (92 °F) and a low of 23 °C (74 °F), with 174 mm (6.9 in) of rain and about 12 h 13 min of daylight. Rated 1 of 5 for a visit; the best months are February and March. Source: TerraClimate climate normals, 1991–2020.
Average high 92° · low 74° · rain 6.9 in. · daylight 12 h 13 min
✦ Travel with care for a visit · best months: February & March
Thirty years of records give San Antonio an average September high of 92°, a low of 74° and some 6.9 in. of rain. Days run hot, near 92° in the afternoon; ride early and rest at noon. Wet spells are common — about 6.9 in., the 2nd wettest month.
The sun is up for about 12 h 13 min in mid-September, 32 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 1 of 5 for a visit; the finest months here are February and March.
Against its neighbours, San Antonio runs warmer than most and wetter than most in September. Paraiso, 1 mi to the NE, sees much the same highs.
September in San Antonio, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus August
- about the same, 1.7 in. more rain
- Versus October
- 3° warmer
- Day–night spread
- 18°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 13 min
- Average wind
- 6 mph
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| ParaisoCorozal District | 1 mi NE | 92° | 74° | 6.9 in. |
| CorozalCorozal District | 1 mi SE | 92° | 74° | 6.9 in. |
| San AndresCorozal District | 1 mi SW | 92° | 74° | 6.9 in. |
| RanchitoCorozal District | 2 mi SSW | 92° | 74° | 6.9 in. |
| XaibeCorozal District | 2 mi WSW | 92° | 74° | 6.9 in. |
| San JoaquinCorozal District | 4 mi SW | 92° | 74° | 7.0 in. |
| PatchchacanCorozal District | 5 mi W | 92° | 74° | 6.8 in. |
| Subteniente LópezQuintana Roo | 6 mi N | 92° | 74° | 6.3 in. |