Asuncion Weather in September
September in Asuncion sees daytime temperatures around 29°C (84°F) and lows of 16°C (61°F) at night. With around 115 mm (4.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Asuncion in September
Climate statistics over the past 30 years suggest around 6 days of rain, with 115 mm (4.5 in) average for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Asuncion in September
September in Asuncion brings high temperatures, with highs of 29°C (84°F) and nights around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Asuncion in September
Expect sunny days throughout the month, with an estimated 203 hours of sunshine. This makes it a pleasant time to visit Asuncion.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Asuncion.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Paraguay, check out our Asuncion's climate page.
Asuncion Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
29°C (84°F)
Chance of Rain
20%
Precipitation
115 mm (4.5 in)
Rainy days
6 days
Humidity
65%
Sunshine
203 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Asuncion typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 18°C (64°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Asuncion in September
Browse day-by-day weather records for Asuncion spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Asuncion historical weather extremes in September
Based on 49 years of weather observations in Asuncion between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 26, 2020, with a maximum of 42°C (108°F).
- Asuncion registered its coldest September night on September 6, 2006, with temperatures dropping to 3°C (37°F).
Best Places in Paraguay in September
Find out more about the weather in Paraguay and which places have the best travel conditions in this month. See all of Paraguay in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Asuncion in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Asuncion in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Paraguay, check out our Asuncion's climate page.
Temperature Rainfall Sunshine Humidity
See the full Asuncion climate overview or explore weather in Paraguay.
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