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Weather in Chile for September 2025

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 moderately rise, reaching an average of 17.1 °C by the end of September.

  • The climate of Chile in September is notably wet, with an average of 12 rainy days.

  • Is September a good time to visit Chile? check out the best time to travel to Chile page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/5°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Chile in September average weather

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Temperatures trend during September in Chile

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
18° /7° 0.8 mm 5
2 Sept. Light rain shower
Light rain shower
14° /2° 8 mm 4
3 Sept. Light rain
Light rain
14° /5° 1.7 mm 4
4 Sept. Light rain shower
Light rain shower
17° /6° 2.5 mm 5
5 Sept. Overcast
Overcast
18° /7° 0.2 mm 5
6 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
15° /5° 27.5 mm 5
7 Sept. Moderate rain at times
Moderate rain at times
14° /4° 2.1 mm 5
8 Sept. Patchy rain possible
Patchy rain possible
15° /6° 0.6 mm 5
9 Sept. Light rain shower
Light rain shower
16° /7° 0.6 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
14° /5° 2.2 mm 4
11 Sept. Light rain shower
Light rain shower
13° /3° 28.9 mm 4
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
13° /3° 0.3 mm 4
13 Sept. Overcast
Overcast
15° /5° 0.3 mm 5
14 Sept. Partly cloudy
Partly cloudy
19° /9° 0 mm 6
15 Sept. Sunny
Sunny
21° /10° 0 mm 6
16 Sept. Partly cloudy
Partly cloudy
20° /9° 0 mm 6
17 Sept. Light drizzle
Light drizzle
15° /7° 0.2 mm 4
18 Sept. Sunny
Sunny
16° /5° 0.1 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
17° /5° 0.1 mm 5
20 Sept. Sunny
Sunny
16° /6° 0 mm 5
21 Sept. Sunny
Sunny
16° /8° 0 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
13° /7° 1.7 mm 4
23 Sept. Overcast
Overcast
14° /5° 5.1 mm 4
24 Sept. Sunny
Sunny
15° /4° 2.2 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
15° /2° 0.4 mm 4
26 Sept. Sunny
Sunny
16° /3° 0.1 mm 5
27 Sept. Sunny
Sunny
18° /6° 0 mm 5
28 Sept. Sunny
Sunny
18° /7° 0 mm 6
29 Sept. Sunny
Sunny
19° /6° 0 mm 6
30 Sept. Sunny
Sunny
19° /9° 0.4 mm 6
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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.

Chile in September - FAQ

What are the expected maximum and minimum temperatures in Chile during September?
During September, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chile during September?
Significant rainfall exceeding 149.2 mm is expected in Chile during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chile during September?
The average wind speed in Chile during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chile in September?

As you prepare for your trip to Chile in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chile, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Chile

Explore the daily rainfall trends and prepare for Chiles September weather 💧

UV exposure in Chile during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Chile?

Get accurate weather forecasts for Chile, located at latitude -33.457 and longitude -70.648. Stay updated with localized weather information tailored for Chile.

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