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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 🌧️

  • The climate of Asunción in September is notably wet, with an average of 12 rainy days, and a total of 73.2 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
34°/19°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
50 %
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 34°, cooling to mild conditions of 19° 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 73.2 mm spread over approximately 12 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 💧

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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