Pomona Weather in September
Pomona in September
The short of it: Pomona in September averages a high of 32 °C (89 °F) and a low of 23 °C (74 °F), with 260 mm (10.2 in) of rain and about 12 h 12 min of daylight. Rated 2 of 5 for a visit; the best months are January and December. Source: TerraClimate climate normals, 1991–2020.
Average high 89° · low 74° · rain 10.2 in. · daylight 12 h 12 min
✦✦ Travel with care for a visit · best months: January & December
Thirty years of records give Pomona an average September high of 89°, a low of 74° and some 10.2 in. of rain. Days run hot, near 89° in the afternoon; ride early and rest at noon. Wet spells are common — about 10.2 in., the 3rd wettest month.
The sun is up for about 12 h 12 min in mid-September, 29 minutes less than a month before.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are January and December.
Against its neighbours, Pomona runs cooler than most and drier than most in September. Steadfast, 3 mi to the W, sees much the same highs.
September in Pomona, by the numbers
- Warmth rank
- 2nd warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- about the same, 0.7 in. more rain
- Versus October
- 2° warmer
- Day–night spread
- 15°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 12 min
- Average wind
- 5 mph
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| SteadfastSouthern District | 3 mi W | 89° | 73° | 9.7 in. |
| Hope CreekSouthern District | 4 mi E | 90° | 75° | 10.6 in. |
| Valley CommunityCayo District | 5 mi W | 88° | 72° | 9.0 in. |
| SarawinaSouthern District | 7 mi ESE | 90° | 75° | 10.6 in. |
| Silk GrassSouthern District | 8 mi SSE | 90° | 74° | 10.3 in. |
| DangrigaSouthern District | 9 mi E | 90° | 75° | 10.3 in. |
| HopkinsSouthern District | 11 mi SSE | 90° | 75° | 10.1 in. |
| Maya CenterSouthern District | 14 mi S | 89° | 74° | 9.8 in. |