Asunción
September
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.
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21
Dry days
9
Rainy days
0
Snow days
33°/18°
Temperatures
20 km/h
Avg max wind
57 %
Avg humidity
Asunción in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  33° | 3  39° | 4  25° | 5  25° | 6  32° | 7 40° |
| 8 34° | 9 33° | 10 39° | 11  42° | 12 33° | 13  23° | 14 22° |
| 15 27° | 16 33° | 17 37° | 18 37° | 19 38° | 20 34° | 21 42° |
| 22 45° | 23 46° | 24 45° | 25 43° | 26 34° | 27 22° | 28 29° |
| 29 35° | 30 37° |
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Temperatures trend during September in Asunción
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 31° /16° | 5.4 mm | 8 | |
| 2 Sept. | Thundery outbreaks possible | 33° /16° | 10.1 mm | 8 | |
| 3 Sept. | Patchy light drizzle | 39° /19° | 2.5 mm | 9 | |
| 4 Sept. | Moderate or heavy rain shower | 25° /15° | 7 mm | 7 | |
| 5 Sept. | Cloudy | 25° /13° | 0 mm | 7 | |
| 6 Sept. | Partly cloudy | 32° /13° | 0 mm | 9 | |
| 7 Sept. | Moderate rain at times | 40° /20° | 17.9 mm | 10 | |
| 8 Sept. | Light rain shower | 34° /20° | 18.5 mm | 8 | |
| 9 Sept. | Light rain shower | 33° /21° | 3.4 mm | 8 | |
| 10 Sept. | Thundery outbreaks possible | 39° /20° | 0 mm | 10 | |
| 11 Sept. | Sunny | 42° /22° | 0 mm | 11 | |
| 12 Sept. | Sunny | 33° /17° | 0 mm | 9 | |
| 13 Sept. | Overcast | 23° /14° | 1 mm | 6 | |
| 14 Sept. | Partly cloudy | 22° /14° | 1.9 mm | 6 | |
| 15 Sept. | Sunny | 27° /12° | 0.5 mm | 8 | |
| 16 Sept. | Sunny | 33° /14° | 0 mm | 9 | |
| 17 Sept. | Sunny | 37° /19° | 0 mm | 9 | |
| 18 Sept. | Sunny | 37° /19° | 0.7 mm | 9 | |
| 19 Sept. | Partly cloudy | 38° /20° | 0.9 mm | 10 | |
| 20 Sept. | Sunny | 34° /20° | 1.8 mm | 9 | |
| 21 Sept. | Sunny | 42° /22° | 0.1 mm | 10 | |
| 22 Sept. | Sunny | 45° /27° | 0 mm | 11 | |
| 23 Sept. | Sunny | 46° /27° | 0 mm | 12 | |
| 24 Sept. | Sunny | 45° /28° | 0 mm | 11 | |
| 25 Sept. | Sunny | 43° /24° | 0 mm | 10 | |
| 26 Sept. | Partly cloudy | 34° /16° | 1.2 mm | 9 | |
| 27 Sept. | Patchy rain possible | 22° /12° | 0.3 mm | 6 | |
| 28 Sept. | Overcast | 29° /12° | 0 mm | 7 | |
| 29 Sept. | Cloudy | 35° /18° | 0 mm | 9 | |
| 30 Sept. | 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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