The prime band holds exactly the same places it did in August. Of the 25 skiing destinations in the dataset, 3 score 68 or better in September and 3 reach the prime band above 80, which puts it mid-table for the year.
Portillo leads on 90 at 286 cm base. Across the top ten the spread is Europe (5), South America (3), Oceania (2). The month is split across both hemispheres — 5 of the ten best are south of the equator — so the choice is as much about flight time as about score.
Open September on the live map →
Ranked by score out of 100. Each strip shows all twelve months, so you can see whether September is the spot's peak or its shoulder.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 10 | 10 | 10 | 51 | 81 | 86 | 89 | 90 | 90 | 70 | 10 |
September is Portillo's strongest month of the year for skiing, scoring 90. The melt-adjusted base reaches 286 cm, carried through from earlier snowfall rather than counted from this month's alone.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 10 | 10 | 10 | 59 | 79 | 84 | 87 | 88 | 90 | 78 | 32 |
September is effectively as good as it gets at Valle Nevado: 88, within 2 points of its best month (October, 90). The melt-adjusted base reaches 282 cm, carried through from earlier snowfall rather than counted from this month's alone.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 10 | 10 | 10 | 22 | 71 | 85 | 89 | 84 | 68 | 10 | 10 |
September is among Cerro Catedral's best three months for skiing (84), behind August at 89. The melt-adjusted base is 182 cm, but a mean temperature of 2.6 °C means spring snow that softens by afternoon. The season is turning over here — the months before this one score better.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 10 | 10 | 10 | 10 | 40 | 65 | 72 | 54 | 10 | 10 | 10 |
September is among Thredbo's best three months for skiing (54), behind August at 72. The melt-adjusted base is 66 cm, but a mean temperature of 4.3 °C means spring snow that softens by afternoon. The season is turning over here — the months before this one score better. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 10 | 10 | 10 | 10 | 30 | 56 | 61 | 48 | 10 | 10 | 10 |
September is among Cardrona's best three months for skiing (48), behind August at 61. The melt-adjusted base is 54 cm, but a mean temperature of 4.2 °C means spring snow that softens by afternoon. The season is turning over here — the months before this one score better. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 84 | 87 | 85 | 68 | 10 | 10 | 10 | 10 | 10 | 10 | 37 | 70 |
September is a shoulder month here: 10, where February reaches 87. The melt-adjusted base is 1 cm, but a mean temperature of 12.7 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 43 | 50 | 48 | 21 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 24 |
September is a shoulder month here: 10, where February reaches 50. The melt-adjusted base is 0 cm, but a mean temperature of 11.9 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 86 | 89 | 79 | 44 | 10 | 10 | 10 | 10 | 10 | 10 | 33 | 74 |
September is a shoulder month here: 10, where February reaches 89. The melt-adjusted base is 0 cm, but a mean temperature of 13.6 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 87 | 90 | 91 | 83 | 45 | 10 | 10 | 10 | 10 | 10 | 64 | 83 |
September is a shoulder month here: 10, where March reaches 91. The melt-adjusted base is 5 cm, but a mean temperature of 10.9 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 85 | 87 | 88 | 90 | 89 | 38 | 10 | 10 | 10 | 29 | 70 | 84 |
September is a shoulder month here: 10, where April reaches 90. The melt-adjusted base is 6 cm, but a mean temperature of 6.5 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 86 | 88 | 89 | 91 | 85 | 22 | 10 | 10 | 10 | 20 | 74 | 86 |
September is a shoulder month here: 10, where April reaches 91. The melt-adjusted base is 4 cm, but a mean temperature of 7.5 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
| J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 87 | 88 | 90 | 90 | 61 | 10 | 10 | 10 | 10 | 14 | 73 | 83 |
September is a shoulder month here: 10, where March reaches 90. The melt-adjusted base is 2 cm, but a mean temperature of 10.5 °C means spring snow that softens by afternoon. The engine's note for the month: too warm.
See all twelve months for skiing →
Portillo, Chile scores highest in September at 90/100, based on ten years of ERA5 climatology scored for skiing. Its best run of months is Jun-Nov.
It is workable: 3 destinations reach the prime band in September, so the answer depends on how far you will travel.
These scores are climatology, not a forecast. They are computed from ten years of ERA5 reanalysis (2015-2024) and answer which month and which spot to book — not whether this Saturday is on. For live conditions, open the interactive map.