The month in detail
What to expect in September
September is peak dry season in Manaus. The air is warm and humidity more bearable than in the rainy season. Rain risk remains low (20% of days), leaving good room for outdoor activities.
September ranks 3 out of 12 months in Manaus. Compared to August: −0.7h of sun per day.
This month's conditions
What it's like in September
UV index
9 · very high
protection essential
Feels like
very humid
23°
Daylight
12.0h of daylight
Air quality
fair
AQI 50
Compare
Is September the right month?
The best month in Manaus is July (5.6/10), 0.3 pt higher than September.
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 · Manaus
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Manaus
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 tropical stay.
Country · Brazil
🗣️LanguagePortuguese
💶CurrencyBrazilian Real (R$)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeEquatorial tropical
📈Climate trend ⓘStable
🔥Hottest monthAugust · 32°C
❄️Coolest monthJanuary · 29°C
🌧️Rainiest month ⓘFebruary · 62%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘNone (equator)
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Manaus ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
BrazilEquatorial tropical climate with a 5.6 → 4.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
3.12°S · 60.02°W
Questions
Frequently asked questions
What is the best time to visit Manaus?
July is the best month with 31.0°C highs, 24.0°C lows, 7.2h of sunshine and 22.0% rainy days.
How many hours of sunshine does Manaus get in July?
Manaus averages 7.2 sunshine hours per day in July. It is the sunniest month with a climate score of 5.4/10.
What is the rainiest month in Manaus?
March is the most unfavourable month with March has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Manaus in July?
In July, overnight lows reach 24.0°C, while afternoon highs average 31.0°C.
Is Manaus good in winter?
In winter (December-February), Manaus scores 4.6/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 5.4/10.
When should you avoid Manaus?
March is the most difficult month to visit Manaus, with March 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 Manaus in September?
The average UV index reaches 9 in September in Manaus (very high), with about 12.0h of daylight. Protection essential.