News Manaus Amazonas Brazil September 19, 2025

Weather Analysis for Manaus, Brazil (September 19-21, 2025)

Welcome to your comprehensive weather breakdown for Manaus, Brazil! As we step into the vibrant days of September, we’re gearing up for a series of warm and sunny weather patterns that are sure to delight both locals and visitors alike. Let’s dive into what you can expect for the next three days.

Friday, September 19, 2025:

Manaus will kick off the weekend with a high of 36°C (96°F) and a low of 23°C (73°F). The day starts off clear, with sunrise occurring at 5:51 AM, bringing 12 hours of sunshine before sunset at 5:57 PM. Expect humidity levels around 37% in the afternoon, making it feel hotter—approximately 38°C (101°F) due to the heat index. Wind speeds will remain light, with gusts reaching a maximum of 8 km/h from the east. Fortunately, there’s little to no chance of rain, making it perfect weather for outdoor activities.

As the evening approaches, clear skies will continue, providing great visibility of the stars, with conditions remaining pleasant at 28°C (82°F) by nightfall. For any up-to-the-minute changes, you can check hourly weather here.

Saturday, September 20, 2025:

Prepare for a hot day! The temperature will soar to a high of 37°C (98°F) and a low of 25°C (76°F). Conditions will remain predominantly sunny with some potential for partly cloudy periods. Winds will continue to be light, and as the UV index climbs to 12, don't forget your sunscreen if you're heading outdoors. Similar to Friday, the humidity will hover around 38%, and the heat index will push temperatures to a sweltering 39°C (102°F) during peak hours.

With such high temperatures and clear conditions, it’s a great day for sightseeing in this bustling city, known for its rich culture and surrounding natural beauty. You can explore more about what Manaus offers by visiting our next 5 days weather forecast.

Sunday, September 21, 2025:

The weekend concludes with even hotter temperatures, reaching a sizzling high of 38°C (101°F) and a pleasantly warm low of 24°C (76°F). Expect mostly sunny skies, making the day feel quite tropical. As the sun rises at 5:50 AM, it will set shortly after at 5:56 PM. The heat index will once again escalate, making it feel like 40°C (104°F) in the afternoon hours. Winds will remain calm, allowing for an uninterrupted basking in the warmth.

By evening, expect temperatures to cool to 29°C (85°F), with light winds and clear conditions contributing to a beautiful ending to the weekend.

Important Highlights:

1. Temperature: Consistently warm, with highs peaking at 38°C (101°F).

2. Humidity: Readily high, influencing the feel of the heat.

3. Precipitation: Minimal, making for predominantly clear conditions.

4. Wind: Light breezes throughout the week, offering a gentle relief from the heat.

Make the most of your time in Manaus this weekend! Whether you wish to soak up the sunlight in the parks or embark on an adventure in the surrounding Amazon rainforest, the weather is on your side.

For future weather updates, don't hesitate to update your plans based on the hourly forecast and see how the next days unfold accordingly.

Stay safe, stay hydrated, and enjoy the beautiful days ahead in Manaus!