Santiago Metropolitan (Santiago)
September
Weather in Santiago Metropolitan for September 2025
Your guide to Santiago Metropolitan weather in September - trends and predictions
In general, the average temperature in Santiago Metropolitan at the beginning of September is 15.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 17.1 °C by the end of September.
Santiago Metropolitan experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 85.9 mm.
Temperatures
Rain 🌧️
20
Dry days
10
Rainy days
0
Snow days
16°/6°
Temperatures
11 km/h
Avg max wind
57 %
Avg humidity
Santiago Metropolitan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 14° | 3  14° | 4 17° | 5  18° | 6  15° | 7  14° |
| 8 15° | 9 16° | 10 14° | 11 13° | 12  13° | 13 15° | 14  19° |
| 15  21° | 16 20° | 17 15° | 18 16° | 19 17° | 20 16° | 21 16° |
| 22 13° | 23 14° | 24 15° | 25 15° | 26 16° | 27 18° | 28 18° |
| 29 19° | 30 19° |
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Temperatures trend during September in Santiago Metropolitan
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 18° /7° | 0.8 mm | 5 | |
| 2 Sept. | Light rain shower | 14° /2° | 8 mm | 4 | |
| 3 Sept. | Light rain | 14° /5° | 1.7 mm | 4 | |
| 4 Sept. | Light rain shower | 17° /6° | 2.5 mm | 5 | |
| 5 Sept. | Overcast | 18° /7° | 0.2 mm | 5 | |
| 6 Sept. | Moderate or heavy rain with thunder | 15° /5° | 27.5 mm | 5 | |
| 7 Sept. | Moderate rain at times | 14° /4° | 2.1 mm | 5 | |
| 8 Sept. | Patchy rain possible | 15° /6° | 0.6 mm | 5 | |
| 9 Sept. | Light rain shower | 16° /7° | 0.6 mm | 4 | |
| 10 Sept. | Patchy rain possible | 14° /5° | 2.2 mm | 4 | |
| 11 Sept. | Light rain shower | 13° /3° | 28.9 mm | 4 | |
| 12 Sept. | Thundery outbreaks possible | 13° /3° | 0.3 mm | 4 | |
| 13 Sept. | Overcast | 15° /5° | 0.3 mm | 5 | |
| 14 Sept. | Partly cloudy | 19° /9° | 0 mm | 6 | |
| 15 Sept. | Sunny | 21° /10° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 20° /9° | 0 mm | 6 | |
| 17 Sept. | Light drizzle | 15° /7° | 0.2 mm | 4 | |
| 18 Sept. | Sunny | 16° /5° | 0.1 mm | 5 | |
| 19 Sept. | Patchy rain possible | 17° /5° | 0.1 mm | 5 | |
| 20 Sept. | Sunny | 16° /6° | 0 mm | 5 | |
| 21 Sept. | Sunny | 16° /8° | 0 mm | 5 | |
| 22 Sept. | Patchy rain possible | 13° /7° | 1.7 mm | 4 | |
| 23 Sept. | Overcast | 14° /5° | 5.1 mm | 4 | |
| 24 Sept. | Sunny | 15° /4° | 2.2 mm | 5 | |
| 25 Sept. | Patchy rain possible | 15° /2° | 0.4 mm | 4 | |
| 26 Sept. | Sunny | 16° /3° | 0.1 mm | 5 | |
| 27 Sept. | Sunny | 18° /6° | 0 mm | 5 | |
| 28 Sept. | Sunny | 18° /7° | 0 mm | 6 | |
| 29 Sept. | Sunny | 19° /6° | 0 mm | 6 | |
| 30 Sept. | Sunny | 19° /9° | 0.4 mm | 6 | |
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Important Notice
Our weather forecast for Santiago Metropolitan 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 Santiago Metropolitan forecast closer to your planned date for the most up-to-date weather information.
Santiago Metropolitan in September - FAQ
What are the expected maximum and minimum temperatures in Santiago Metropolitan during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santiago Metropolitan during September?
Moderate rainfall is anticipated in Santiago Metropolitan during September, with a total of 85.9 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santiago Metropolitan during September?
The average wind speed in Santiago Metropolitan during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Santiago Metropolitan
Explore the daily rainfall trends and prepare for Santiago Metropolitans September weather 💧
UV exposure in Santiago Metropolitan during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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