easeweather.com
Viña del Mar
AntofagastaPuente AltoPuerto WilliamsPunta ArenasSantiagoValparaíso
Viña del Mar
More Locations
Chile weather

Weather in Viña del Mar for September 2026

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

    Temperatures

  • Until now, September 2026 in Viña del Mar has been nearly identical to the historical average, with a temperature of 18.2 °C (showing only a slight deviation of 0.1 °C).

  • Expect cooler weather in the next days in Viña del Mar with the forecast suggesting a temperature of 19.2 °C, lower than the historical average.

  • In general, the average temperature in Viña del Mar at the beginning of September is 17.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Viña del Mar experiences minimal rainfall in September.

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/8°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Viña del Mar Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
19°
2
Sunny
17°
3
Sunny
17°
4
Sunny
18°
5
Overcast
19°
6
Sunny
15°
7
Overcast
15°
8
Overcast
16°
9
Sunny
18°
10
Sunny
18°
11
Sunny
19°
12
Partly cloudy
17°
13
Overcast
19°
14
Sunny
21°
15
Sunny
23°
16
Sunny
21°
17
Sunny
16°
18
Overcast
17°
19
Patchy rain possible
15°
20
Overcast
17°
21
Overcast
21°
22
Overcast
23°
23
Overcast
22°
24
Overcast
20°
25
Overcast
21°
26
Sunny
24°
27
Sunny
22°
28
Overcast
24°
29
Overcast
17°
30
Overcast
16°

Temperatures trend during September in Viña del Mar

See the weather trend as well as the moving average line

September weather in Viña del Mar day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 19° /9° 0 mm 5
2 Sept. Sunny
Sunny
 17° /8° 1.9 mm 5
3 Sept. Sunny
Sunny
 17° /8° 0.8 mm 5
4 Sept. Sunny
Sunny
 18° /8° 0 mm 6
5 Sept. Overcast
Overcast
 19° /9° 0 mm 5
6 Sept. Sunny
Sunny
 15° /7° 6 mm 4
7 Sept. Overcast
Overcast
 15° /6° 0 mm 5
8 Sept. Overcast
Overcast
 16° /7° 0 mm 4
9 Sept. Sunny
Sunny
 18° /8° 0 mm 6
10 Sept. Sunny
Sunny
 18° /9° 1.2 mm 5
11 Sept. Sunny
Sunny
 19° /8° 3.1 mm 5
12 Sept. Partly cloudy
Partly cloudy
 17° /7° 0 mm 5
13 Sept. Overcast
Overcast
 19° /6° 0 mm 5
14 Sept. Sunny
Sunny
 21° /8° 0 mm 6
15 Sept. Sunny
Sunny
 23° /9° 0 mm 6
16 Sept. Sunny
Sunny
 21° /8° 0 mm 6
17 Sept. Sunny
Sunny
 16° /7° 0 mm 5
18 Sept. Overcast
Overcast
 17° /7° 0.1 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
 15° /12° 1 mm 6.2
20 Sept. Overcast
Overcast
 17° /12° 0.6 mm 7
21 Sept. Overcast
Overcast
 21° /12° 0 mm 7.1
22 Sept. Overcast
Overcast
 23° /13° 0 mm 6
23 Sept. Overcast
Overcast
 22° /13° 0 mm 6
24 Sept. Overcast
Overcast
 20° /14° 0 mm 6
25 Sept. Overcast
Overcast
 21° /14° 0 mm 6
26 Sept. Sunny
Sunny
 24° /14° 0 mm 7
27 Sept. Sunny
Sunny
 22° /13° 0 mm 7
28 Sept. Overcast
Overcast
 24° /13° 0 mm 7
29 Sept. Overcast
Overcast
 17° /14° 0 mm 5
30 Sept. Overcast
Overcast
 16° /12° 0 mm 6
Next
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.
Change Month
‹
›

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 18° 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 23.2 mm across approximately 3 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.

Viña del Mar water temperatures in September

The average water temperature of the Pacific Ocean near Viña del Mar in September is 12.6 °C. At the beginning of September temperatures are around 12.8 °C; by the end of the month they get a bit cooler and reach 11.9 °C.

What is the water temperature in Viña del Mar in September?
The average water temperature in Viña del Mar in September is 12.6 °C.
Can you swim in Viña del Mar 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 Viña del Mar

Explore the daily rainfall trends and prepare for Viña del Mars September weather 💧
Typically, Viña del Mar has 3 rainy days in September with a total of 23.2 mm of rainfall.

UV exposure in Viña del Mar during September

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

Quick links

More Viña del Mar weather pages
You are here
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.

Found a mistake?
We appreciate your attention to details. Tell us here.