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Weather in Asunción for September 2025

Your guide to Asunción weather in September - trends and predictions
  • In general, the average temperature in Asunción at the beginning of September is 32.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 35 °C by the end of September.

  • Asunción sees moderate rainfall in September, averaging 9 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
33°/18°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Asunción in September average weather

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Temperatures trend during September in Asunción

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. Patchy rain possible
Patchy rain possible
31° /16° 5.4 mm 8
2 Sept. Thundery outbreaks possible
Thundery outbreaks possible
33° /16° 10.1 mm 8
3 Sept. Patchy light drizzle
Patchy light drizzle
39° /19° 2.5 mm 9
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /15° 7 mm 7
5 Sept. Cloudy
Cloudy
25° /13° 0 mm 7
6 Sept. Partly cloudy
Partly cloudy
32° /13° 0 mm 9
7 Sept. Moderate rain at times
Moderate rain at times
40° /20° 17.9 mm 10
8 Sept. Light rain shower
Light rain shower
34° /20° 18.5 mm 8
9 Sept. Light rain shower
Light rain shower
33° /21° 3.4 mm 8
10 Sept. Thundery outbreaks possible
Thundery outbreaks possible
39° /20° 0 mm 10
11 Sept. Sunny
Sunny
42° /22° 0 mm 11
12 Sept. Sunny
Sunny
33° /17° 0 mm 9
13 Sept. Overcast
Overcast
23° /14° 1 mm 6
14 Sept. Partly cloudy
Partly cloudy
22° /14° 1.9 mm 6
15 Sept. Sunny
Sunny
27° /12° 0.5 mm 8
16 Sept. Sunny
Sunny
33° /14° 0 mm 9
17 Sept. Sunny
Sunny
37° /19° 0 mm 9
18 Sept. Sunny
Sunny
37° /19° 0.7 mm 9
19 Sept. Partly cloudy
Partly cloudy
38° /20° 0.9 mm 10
20 Sept. Sunny
Sunny
34° /20° 1.8 mm 9
21 Sept. Sunny
Sunny
42° /22° 0.1 mm 10
22 Sept. Sunny
Sunny
45° /27° 0 mm 11
23 Sept. Sunny
Sunny
46° /27° 0 mm 12
24 Sept. Sunny
Sunny
45° /28° 0 mm 11
25 Sept. Sunny
Sunny
43° /24° 0 mm 10
26 Sept. Partly cloudy
Partly cloudy
34° /16° 1.2 mm 9
27 Sept. Patchy rain possible
Patchy rain possible
22° /12° 0.3 mm 6
28 Sept. Overcast
Overcast
29° /12° 0 mm 7
29 Sept. Cloudy
Cloudy
35° /18° 0 mm 9
30 Sept. Sunny
Sunny
37° /21° 0 mm 10
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Important Notice
Our weather forecast for Asunción 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 Asunción forecast closer to your planned date for the most up-to-date weather information.

Asunción in September - FAQ

What are the expected maximum and minimum temperatures in Asunción during September?
Expect warm days with temperatures around 33°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Asunción during September?
Significant rainfall exceeding 129.5 mm is expected in Asunción during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Asunción during September?
The average wind speed in Asunción during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Asunción in September?

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

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Asunción

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

UV exposure in Asunción during September

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

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Location coordinates Where is Asunción?

Get accurate weather forecasts for Asunción, located at latitude -25.286 and longitude -57.647. Stay updated with localized weather information tailored for Asunción.

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