The month in detail
What to expect in September
Spring marks the start of the good season in Asunción. Temperatures rise (28°C) and tourists have not yet arrived en masse. Rain risk remains low (20% of days), leaving good room for outdoor activities.
September is the best month of the year in Asunción. Compared to August: +3°C daytime.
This month's conditions
What it's like in September
UV index
7 · high
sunscreen and hat advised
Feels like
comfortable
15°
Daylight
11.9h of daylight
Air quality
fair
AQI 57
Compare
Is September the right month?
September is actually the best month of the year in Asunción. Good timing.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Asunción
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Asunción
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Paraguay
🗣️LanguageSpanish
💶CurrencyGuaraní paraguayen (₲)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 33°C
❄️Coolest monthJune · 22°C
🌧️Rainiest month ⓘApril · 27%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Asunción ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
ParaguayTemperate climate with a 8.6 → 5.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
25.26°S · 57.58°W
Questions
Frequently asked questions
What is the best time to visit Asunción?
September is the best month with 28.0°C highs, 17.0°C lows, 6.8h of sunshine and 20.0% rainy days. The months of September & April offer comparable conditions.
How many hours of sunshine does Asunción get in September?
Asunción averages 6.8 sunshine hours per day in September. It is the sunniest month with a climate score of 8.1/10.
What is the rainiest month in Asunción?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Asunción in September?
In September, overnight lows reach 17.0°C, while afternoon highs average 28.0°C.
Is Asunción good in winter?
In winter (December-February), Asunción scores 5.2/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.1/10.
When should you avoid Asunción?
January is the most difficult month to visit Asunción, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Asunción in September?
The average UV index reaches 7 in September in Asunción (high), with about 11.9h of daylight. Sunscreen and hat advised.