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Weather in Viña del Mar for September 2025

Your guide to Viña del Mar weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Viña del Mar at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18.4 °C by the end of September.

    • Rain 🌧️

  • With an average of 5 rainy days, Viña del Mar experiences minimal rainfall in September.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/8°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Viña del Mar in September average weather

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
18°
2
Light rain
15°
3
Light rain
17°
4
Overcast
18°
5
Overcast
19°
6
Moderate rain
16°
7
Overcast
18°
8
Overcast
18°
9
Overcast
19°
10
Cloudy
17°
11
Light rain shower
19°
12
Sunny
15°
13
Overcast
18°
14
Partly cloudy
21°
15
Sunny
23°
16
Sunny
20°
17
Sunny
15°
18
Overcast
15°
19
Overcast
17°
20
Partly cloudy
16°
21
Sunny
16°
22
Partly cloudy
15°
23
Overcast
17°
24
Sunny
19°
25
Sunny
17°
26
Sunny
19°
27
Sunny
20°
28
Overcast
21°
29
Sunny
17°
30
Sunny
16°
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Temperatures trend during September in Viña del Mar

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

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 18° /9° 0 mm 6
2 Sept. Light rain
Light rain
 15° /8° 3.7 mm 4
3 Sept. Light rain
Light rain
 17° /9° 1.6 mm 5
4 Sept. Overcast
Overcast
 18° /8° 0 mm 6
5 Sept. Overcast
Overcast
 19° /10° 0 mm 5
6 Sept. Moderate rain
Moderate rain
 16° /9° 11.9 mm 4
7 Sept. Overcast
Overcast
 18° /6° 0 mm 5
8 Sept. Overcast
Overcast
 18° /8° 0 mm 5
9 Sept. Overcast
Overcast
 19° /9° 0 mm 6
10 Sept. Cloudy
Cloudy
 17° /10° 2.3 mm 5
11 Sept. Light rain shower
Light rain shower
 19° /8° 5.9 mm 5
12 Sept. Sunny
Sunny
 15° /7° 0 mm 5
13 Sept. Overcast
Overcast
 18° /6° 0 mm 5
14 Sept. Partly cloudy
Partly cloudy
 21° /9° 0 mm 7
15 Sept. Sunny
Sunny
 23° /10° 0 mm 7
16 Sept. Sunny
Sunny
 20° /8° 0 mm 6
17 Sept. Sunny
Sunny
 15° /6° 0 mm 5
18 Sept. Overcast
Overcast
 15° /7° 0.1 mm 4
19 Sept. Overcast
Overcast
 17° /8° 0.4 mm 5
20 Sept. Partly cloudy
Partly cloudy
 16° /8° 0 mm 5
21 Sept. Sunny
Sunny
 16° /7° 0 mm 6
22 Sept. Partly cloudy
Partly cloudy
 15° /9° 0.1 mm 5
23 Sept. Overcast
Overcast
 17° /8° 0.1 mm 5
24 Sept. Sunny
Sunny
 19° /7° 0.1 mm 6
25 Sept. Sunny
Sunny
 17° /6° 0 mm 6
26 Sept. Sunny
Sunny
 19° /7° 0.1 mm 6
27 Sept. Sunny
Sunny
 20° /7° 0 mm 6
28 Sept. Overcast
Overcast
 21° /8° 0 mm 5
29 Sept. Sunny
Sunny
 17° /8° 0 mm 5
30 Sept. Sunny
Sunny
 16° /8° 0 mm 5
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Important Notice
Our weather forecast for Viña del Mar 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 Viña del Mar forecast closer to your planned date for the most up-to-date weather information.

Viña del Mar in September - FAQ

What are the expected maximum and minimum temperatures in Viña del Mar during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Viña del Mar during September?
In September, Viña del Mar can expect light to moderate rainfall, totaling 26.4 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Viña del Mar during September?
The average wind speed in Viña del Mar during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Viña del Mar in September?

As you prepare for your trip to Viña del Mar 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 Viña del Mar, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather

September rainfall patterns in Viña del Mar

Explore the daily rainfall trends and prepare for Viña del Mars September weather 💧

UV exposure in Viña del Mar during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Viña del Mar?

Get accurate weather forecasts for Viña del Mar, located at latitude -33.025 and longitude -71.552. Stay updated with localized weather information tailored for Viña del Mar.

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