BrazilAverage weather for Manaus in September
It's hot in September in Manaus with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 25°C and 26°C.
Start of September
The month of September starts in Manaus with hot temps, averaging around 34°C during the day and nights around 26°C. There’s little chance of precipitation. The weather’s mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 34°C, with nights around 26°C. Not much precipitation expected during this period. It’s mostly dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Manaus is around 35°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In September, there is an average of 34 mm of precipitation, spread over 2 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Manaus in September |
New York | ||
|---|---|---|---|
 Average temperature |
34°C | 27°C | |
 Max. temperature |
35°C | 31°C | |
| Min. temperature |
33°C | -5°C | |
 Total precipitation |
34 mm | 57 mm | |
| Rainy days |
2 days | 9 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Manaus?
September is a good month to be in Manaus for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 38°C in 2023, Manaus reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.
Check out the climate of Manaus for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Daily Temperature in September in Manaus
This chart shows the average daily high and low temperatures in September for Manaus, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Manaus
The chart below shows the average daily precipitation in September for Manaus, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 2 days of precipitation in Manaus.
Daily UV index in September in Manaus
This chart shows the average daily UV index in September in Manaus, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Manaus over the years
This chart shows the average temperature in September in Manaus, measured in degrees Celsius, over the past few years.
Total precipitation in September in Manaus over the years
This chart shows the average precipitation in September in Manaus, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Manaus
Click on any day in September to get detailed info about the usual weather on that day in Manaus. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Manaus
Have you been to Manaus in September?
Share your weather experience in September in Manaus.
Average weather in Manaus by month
Click on a month below to see detailed weather info for Manaus. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
