Weather in Manaus - 14-day forecast

Detailed weather forecast for Manaus, Brazil: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Manaus

today☀️ 34°💧 0.2 mm

Sun🌤️ 36°💧 0.4 mm

Mon☁️ 35°💧 0.2 mm

Tue🌧️ 36°💧 0.6 mm

Wed🌧️ 37°💧 0.1 mm

Thu🌧️ 37°💧 1 mm

Fri🌧️ 35°💧 2 mm

Sat☀️ 37°💧 0.5 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Wednesday 9 Sept in Manaus, the forecast high is 37°C. Typical daytime temperatures at this time of year range from 30°C to 34°C, so it will be exceptionally warm. It is warmer than 96% of similar days.

Saturday 5 Sept

34°Cwarmer than usual

usually 30°C–34°C

warmer than 80% of similar days

night: exceptionally warm rain: less rain than usual wind: exceptionally strong

Sunday 6 Sept

36°Cexceptionally warm

usually 30°C–34°C

warmer than 94% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

Monday 7 Sept

35°Cwarmer than usual

usually 30°C–34°C

warmer than 89% of similar days

night: exceptionally warm rain: less rain than usual wind: exceptionally strong

Tuesday 8 Sept

36°Cexceptionally warm

usually 30°C–34°C

warmer than 91% of similar days

night: exceptionally warm rain: typical rainfall wind: lighter than usual

Wednesday 9 Sept

37°Cexceptionally warm

usually 30°C–34°C

warmer than 96% of similar days

night: exceptionally warm rain: less rain than usual wind: lighter than usual

Thursday 10 Sept

37°Cexceptionally warm

usually 30°C–34°C

warmer than 95% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

Friday 11 Sept

35°Cwarmer than usual

usually 30°C–34°C

warmer than 88% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 32°C by day. The coolest year was 1985 (29°C) and the warmest was 2015 (38°C). The current forecast averages 36°C - higher than in 91% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

14-day forecast - Manaus

Manaus - 14-day weather forecast infographic

Manaus 30 & 45-day weather - long-range outlook

Next 15 days · forecast

35°

around 28° at night · days with rain: 5

Weeks 3-4 · avg for September

33°

around 25° at night · rain chance 19%

Weeks 5-7 · avg for October

33°

around 25° at night · rain chance 31%

The 30 & 45-day outlook for Manaus: the next 15 days are a numerical forecast updated daily - on average 35° by day and 28° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 33° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Manaus

Saturday5 September 2026

☀️34°clear sky

sunrise 05:57 · sunset 18:01 · night 28° · evening 36° · rain 0.15 mm · humidity 35% · wind 4 m/s · clouds 9%

Sunday6 September 2026

🌤️36°a few clouds

sunrise 05:57 · sunset 18:00 · night 31° · evening 37° · rain 0.36 mm · humidity 28% · wind 3 m/s · clouds 11%

Monday7 September 2026

☁️35°broken clouds

sunrise 05:56 · sunset 18:00 · night 27° · evening 35° · rain 0.22 mm · humidity 31% · wind 3 m/s · clouds 70%

Tuesday8 September 2026

🌧️36°light rain

sunrise 05:56 · sunset 18:00 · night 28° · evening 35° · rain 0.56 mm · humidity 35% · wind 2 m/s · clouds 3%

Wednesday9 September 2026

🌧️37°light rain

sunrise 05:55 · sunset 18:00 · night 28° · evening 36° · rain 0.11 mm · humidity 30% · wind 2 m/s · clouds 23%

Thursday10 September 2026

🌧️37°light rain

sunrise 05:55 · sunset 17:59 · night 28° · evening 33° · rain 1.02 mm · humidity 36% · wind 2 m/s · clouds 66%

Friday11 September 2026

🌧️35°light rain

sunrise 05:54 · sunset 17:59 · night 28° · evening 33° · rain 1.98 mm · humidity 39% · wind 2 m/s · clouds 5%

Saturday12 September 2026

☀️37°clear sky

sunrise 05:54 · sunset 17:59 · night 31° · evening 38° · rain 0.54 mm · humidity 35% · wind 2 m/s · clouds 3%

Sunday13 September 2026

☁️35°broken clouds

sunrise 05:54 · sunset 17:59 · night 30° · evening 34° · rain 0.18 mm · humidity 31% · wind 3 m/s · clouds 71%

Monday14 September 2026

🌧️31°light rain

sunrise 05:53 · sunset 17:58 · night 29° · evening 33° · rain 0.12 mm · humidity 51% · wind 2 m/s · clouds 100%

Tuesday15 September 2026

🌧️34°light rain

sunrise 05:53 · sunset 17:58 · night 25° · evening 28° · rain 1.08 mm · humidity 44% · wind 4 m/s · clouds 91%

Wednesday16 September 2026

🌧️27°light rain

sunrise 05:52 · sunset 17:58 · night 24° · evening 34° · rain 1.38 mm · humidity 75% · wind 3 m/s · clouds 100%

Thursday17 September 2026

☀️35°clear sky

sunrise 05:52 · sunset 17:57 · night 28° · evening 36° · rain 1.17 mm · humidity 44% · wind 3 m/s · clouds 6%

Friday18 September 2026

🌧️35°light rain

sunrise 05:51 · sunset 17:57 · night 28° · evening 32° · rain 0.24 mm · humidity 43% · wind 4 m/s · clouds 57%

Saturday19 September 2026

☀️37°clear sky

sunrise 05:51 · sunset 17:57 · night 31° · evening 39° · humidity 32% · wind 2 m/s · clouds 3%

UV index in Manaus - is it safe to sunbathe?

Today the UV index in Manaus is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Air quality and smog in Manaus

Air quality in Manaus is currently good. Fine particulate PM2.5: 23.1 µg/m³, PM10: 23.9 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Manaus	23.1	23.9	good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).

Manaus weather through the year

Upcoming public holidays in Brazil: Independence Day — 7 September · Our Lady of Aparecida — 12 October · All Souls' Day — 2 November.

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FAQ - Manaus weather

What is the weather like in Manaus today?

Today it is about 34° during the day and 28° at night, clear sky.

How far ahead can I check the forecast for Manaus?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.