The best ski resorts for snow in September are Centro de Ski Chapa Verde (56), El Colorado (54) and Corralco (52). The number is the SnowOdds score out of 100 for an average September week: the odds of at least 10 cm of fresh snow at the summit count most, then base, sun, rain and wind, from 20 winters of ERA5 weather history.
- 156Centro de Ski Chapa VerdeChile, best week 30 Aug – 5 Sept
- 254El ColoradoChile, best week 20–26 Sept
- 352CorralcoChile, best week 13–19 Sept
- 449Las LeñasArgentina, best week 30 Aug – 5 Sept
- 548Cerro CatedralArgentina, best week 30 Aug – 5 Sept
- 646PortilloChile, best week 6–12 Sept
- 745Cerro BayoArgentina, best week 13–19 Sept
- 844AntucoChile, best week 6–12 Sept
- 944CaviahueArgentina, best week 30 Aug – 5 Sept
- 1043Valle HermosoChile, best week 6–12 Sept
- 1140Cerro Perito MorenoArgentina, best week 30 Aug – 5 Sept
- 1239Las Araucarias (Formerly Llaima)Chile, best week 6–12 Sept
- 1339Chapelco Ski ResortArgentina, best week 6–12 Sept
- 1439Los PuquiosArgentina, best week 6–12 Sept
- 1537LagunillasChile, best week 30 Aug – 5 Sept
- 1634Los PenitentesArgentina, best week 20–26 Sept
- 1732Estación Esquí AntillancaChile, best week 30 Aug – 5 Sept
- 1827La HoyaArgentina, best week 30 Aug – 5 Sept
- 1926Divisadero (Formerly Cerro El Fraile)Chile, best week 30 Aug – 5 Sept
- 2025Cerro CastorArgentina, best week 20–26 Sept
- 2124Roundhill Ski FieldNew Zealand, best week 6–12 Sept
- 2220Coronet PeakNew Zealand, best week 6–12 Sept
- 2316Cardrona Alpine ResortNew Zealand, best week 6–12 Sept
- 2416Ōhau Snow FieldsNew Zealand, best week 6–12 Sept
- 259Centro Ski PucónChile, best week 30 Aug – 5 Sept
