September weather forecast
Chile

September marks the beginning of spring in Chile, with temperatures gradually rising, and rainfall decreasing across most regions.

In the Atacama Desert in the north, temperatures start to rise in September, with daytime temperatures ranging from 12°C (53.6°F) to 23°C (73.4°F). Night temperatures can drop to 6°C (42.8°F). As always, the clear desert skies provide excellent conditions for night sky observations.

In Central Chile, which includes Santiago and Valparaiso, September brings a noticeable change in the weather. Daytime temperatures rise to between 14°C (57.2°F) and 20°C (68°F), with nighttime temperatures between 7°C (44.6°F) and 11°C (51.8°F). The month marks the start of the spring season, leading to decreased rainfall and an increase in sunny days. The landscapes of Central Chile start to bloom, making it a picturesque time to visit.

The southern regions of Chile, including cities like Puerto Montt in the Zona Sur and Punta Arenas in the Zona Austral, witness a rise in temperatures to between 3°C (37.4°F) and 12°C (53.6°F). The weather begins to stabilize, with rainfall decreasing and daylight hours increasing.

In the Andean region, temperatures in September range between -1°C (30.2°F) and 10°C (50°F). While some snowfall might still occur, it is less frequent than in winter, and the ski season gradually ends as the month progresses.

Lastly, on Easter Island, September brings temperatures from 19°C (66.2°F) to 24°C (75.2°F). The weather continues to remain relatively dry, with occasional rainfall. The moderate climate allows for exploration of the island's unique cultural heritage and natural beauty.

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• Santiago - September »
  September 2024, at 00:00, Daylight Saving Time starts in Santiago, and the time zone changes from -04 to -03. In Santiago during September, the rain falls for 5.8 days and regularly aggregates up to 15mm (0.59") of precipitation.
• Valparaíso - September »
  September 2024, at 00:00, Daylight Saving Time starts in Valparaíso and the time zone changes from -04 to -03. When does Daylight Saving Time start in September in Valparaíso?
• Concepción - September »
  September 2024, at 00:00, Daylight Saving Time starts in Concepción and the time zone changes from -04 to -03. September brings a more significant change in Concepción as temperatures experience a noticeable rise to 14.5°C (58.1°F), symbolizing the onset of warmer months.
• La Serena - September »
  September 2024, at 00:00, Daylight Saving Time starts in La Serena, and the time zone changes from -04 to -03. When does Daylight Saving Time start in September in La Serena?
• Antofagasta - September »
  January through May, September through December are months without rainfall in Antofagasta, Chile. When does Daylight Saving Time start in September in Antofagasta?
• Temuco - September »
  On the first day of September in Temuco sunrise is at 07:11 and sunset at 18:28 -04. When does Daylight Saving Time start in September in Temuco?
• Rancagua - September »
  September 2024, at 00:00, Daylight Saving Time starts in Rancagua, and the time zone changes from -04 to -03. When does Daylight Saving Time start in September in Rancagua?
• Iquique - September »
  In Iquique in September, the average water temperature is 17°C (62.6°F). In Iquique in September, the average water temperature is 17°C (62.6°F).
• Talca - September »
  When does Daylight Saving Time start in September in Talca? On the first day of September in Talca sunrise is at 07:04 and sunset at 18:27 -04.
• Arica - September »
  September 2024, at 00:00, Daylight Saving Time starts in Arica and the time zone changes from -04 to -03. When does Daylight Saving Time start in September in Arica?
• Puerto Montt - September »
  September 2024, at 00:00, Daylight Saving Time starts in Puerto Montt and the time zone changes from -04 to -03. On the first day of September in Puerto Montt, Chile, sunrise is at 07:15 and sunset at 18:27 -04.
• Chillán - September »
  When does Daylight Saving Time start in September in Chillán? In Chillán, Chile, in September, during 9.4 rainfall days, 58mm (2.28") of precipitation is typically accumulated.