Chile (Santiago)
September
Weather in Chile for September 2027
Your guide to Chile weather in September - trends and predictions
In general, the average temperature in Chile at the beginning of September is 15.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °C by the end of September.
Chile experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 57.7 mm.
Is September a good time to visit Chile? check out the best time to travel to Chile page.
Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
17°/7°
Temperatures
12 km/h
Avg max wind
56 %
Avg humidity
Chile Weather September
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What’s the Weather Like in Chile This September?
Discover the average temperatures and weather trends across Chile’s cities this September.
Temperatures trend during September in Chile
See the weather trend as well as the moving average line
September weather in Chile day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 17° /8° | 0.4 mm | 4 | |
| 2 Sept. |  Light rain | 15° /6° | 4.2 mm | 4 | |
| 3 Sept. | Light rain | 13° /6° | 1.1 mm | 4 | |
| 4 Sept. |  Patchy rain possible | 16° /7° | 1.3 mm | 5 | |
| 5 Sept. | Overcast | 18° /8° | 0.1 mm | 5 | |
| 6 Sept. |  Moderate rain | 17° /7° | 13.8 mm | 5 | |
| 7 Sept. | Patchy rain possible | 15° /5° | 1.1 mm | 4 | |
| 8 Sept. | Patchy rain possible | 15° /6° | 0.3 mm | 4 | |
| 9 Sept. | Light rain shower | 17° /7° | 0.7 mm | 5 | |
| 10 Sept. | Patchy rain possible | 15° /7° | 1.7 mm | 4 | |
| 11 Sept. | Moderate rain | 16° /6° | 16.1 mm | 4 | |
| 12 Sept. |  Thundery outbreaks possible | 16° /5° | 0.2 mm | 5 | |
| 13 Sept. | Overcast | 16° /6° | 0.2 mm | 5 | |
| 14 Sept. |  Partly cloudy | 19° /9° | 0 mm | 6 | |
| 15 Sept. |  Sunny | 22° /10° | 0 mm | 6 | |
| 16 Sept. | Overcast | 22° /11° | 0 mm | 6 | |
| 17 Sept. | Overcast | 19° /10° | 0.1 mm | 4 | |
| 18 Sept. | Sunny | 19° /9° | 0.4 mm | 5 | |
| 19 Sept. | Sunny | 17° /7° | 0.4 mm | 5 | |
| 20 Sept. | Light rain | 16° /6° | 3.5 mm | 4 | |
| 21 Sept. | Patchy rain possible | 15° /6° | 1.3 mm | 4 | |
| 22 Sept. | Patchy rain possible | 17° /7° | 0.9 mm | 4 | |
| 23 Sept. | Light rain | 17° /8° | 2.6 mm | 4 | |
| 24 Sept. | Patchy rain possible | 19° /8° | 1.1 mm | 5 | |
| 25 Sept. | Patchy rain possible | 18° /7° | 1.5 mm | 4 | |
| 26 Sept. | Patchy rain possible | 17° /6° | 1.2 mm | 4 | |
| 27 Sept. | Sunny | 18° /6° | 0.3 mm | 6 | |
| 28 Sept. | Light rain | 18° /8° | 2.5 mm | 6 | |
| 29 Sept. | Overcast | 18° /7° | 0.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 19° /9° | 0.3 mm | 5 | |
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Important Notice
Our weather forecast for Chile in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chile forecast closer to your planned date for the most up-to-date weather information.
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Chile in September - FAQ
What are the expected maximum and minimum temperatures in Chile during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chile during September?
Moderate rainfall is anticipated in Chile during September, with a total of 57.7 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chile during September?
The average wind speed in Chile during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Chile water temperatures in September
The average water temperature of the Pacific Ocean near Chile in September is 12.3 °C. At the beginning of September temperatures are around 12.6 °C; by the end of the month they get a bit cooler and reach 11.9 °C.
- What is the water temperature in Chile in September?
- The average water temperature in Chile in September is 12.3 °C.
- Can you swim in Chile in September?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
September rainfall patterns in Chile
Explore the daily rainfall trends and prepare for Chiles September weather 💧
Typically, Chile has 7 rainy days in September with a total of 57.7 mm of rainfall.
UV exposure in Chile during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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