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Weather in Asunción for September 2026

Your guide to Asunción weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Asunción at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 33.4 °C by the end of September.

    • Rain 🌧️

  • Asunción experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 74.4 mm.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
33°/18°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Asunción Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
29°
2
Thundery outbreaks possible
34°
3
Sunny
38°
4
Moderate or heavy rain shower
24°
5
Cloudy
22°
6
Partly cloudy
28°
7
Moderate rain at times
33°
8
Light rain shower
30°
9
Light rain shower
31°
10
Thundery outbreaks possible
37°
11
Sunny
38°
12
Sunny
32°
13
Overcast
27°
14
Partly cloudy
26°
15
Sunny
30°
16
Sunny
34°
17
Sunny
37°
18
Sunny
35°
19
Partly cloudy
39°
20
Sunny
37°
21
Sunny
41°
22
Sunny
38°
23
Sunny
40°
24
Sunny
40°
25
Sunny
39°
26
Partly cloudy
33°
27
Patchy rain possible
26°
28
Overcast
28°
29
Cloudy
34°
30
Sunny
34°

Temperatures trend during September in Asunción

See the weather trend as well as the moving average line

September weather in Asunción day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 29° /17° 5.8 mm 7
2 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 34° /16° 6.7 mm 8
3 Sept. Sunny
Sunny
 38° /19° 2.8 mm 9
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /14° 6.7 mm 6
5 Sept. Cloudy
Cloudy
 22° /12° 0.1 mm 6
6 Sept. Partly cloudy
Partly cloudy
 28° /12° 0 mm 8
7 Sept. Moderate rain at times
Moderate rain at times
 33° /16° 12.2 mm 8
8 Sept. Light rain shower
Light rain shower
 30° /18° 13.2 mm 7
9 Sept. Light rain shower
Light rain shower
 31° /19° 2.3 mm 8
10 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 37° /17° 0 mm 9
11 Sept. Sunny
Sunny
 38° /21° 0 mm 10
12 Sept. Sunny
Sunny
 32° /16° 0.4 mm 8
13 Sept. Overcast
Overcast
 27° /15° 0.7 mm 7
14 Sept. Partly cloudy
Partly cloudy
 26° /17° 1.3 mm 7
15 Sept. Sunny
Sunny
 30° /15° 0.3 mm 8
16 Sept. Sunny
Sunny
 34° /15° 0.2 mm 9
17 Sept. Sunny
Sunny
 37° /19° 0 mm 9
18 Sept. Sunny
Sunny
 35° /21° 0.7 mm 9
19 Sept. Partly cloudy
Partly cloudy
 39° /21° 0.8 mm 10
20 Sept. Sunny
Sunny
 37° /22° 1.2 mm 9
21 Sept. Sunny
Sunny
 41° /21° 1.2 mm 10
22 Sept. Sunny
Sunny
 38° /22° 0.6 mm 10
23 Sept. Sunny
Sunny
 40° /22° 0 mm 10
24 Sept. Sunny
Sunny
 40° /24° 0 mm 10
25 Sept. Sunny
Sunny
 39° /20° 0 mm 10
26 Sept. Partly cloudy
Partly cloudy
 33° /17° 0.8 mm 8
27 Sept. Patchy rain possible
Patchy rain possible
 26° /14° 2.6 mm 7
28 Sept. Overcast
Overcast
 28° /14° 0.8 mm 7
29 Sept. Cloudy
Cloudy
 34° /18° 2 mm 8
30 Sept. Sunny
Sunny
 34° /20° 10.9 mm 9
Next
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.
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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?
Moderate rainfall is anticipated in Asunción during September, with a total of 74.4 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

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.

September rainfall patterns in Asunción

Explore the daily rainfall trends and prepare for Asuncións September weather 💧
Typically, Asunción has 8 rainy days in September with a total of 74.4 mm of rainfall.

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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