Tapauá weather in September

In September, Tapauá sees average daytime highs of 32°C and overnight lows near 24°C, with 144 mm of rain across 19.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Tapauá's 4th-clearest and 2nd-windiest month. For the whole year in context, see Tapauá's year-round climate.

Daytime high
32°
1st warmest
Overnight low
24°
11th coldest
Rainfall
144 mm
19.9 wet days
Daylight
12 hours
6:08 AM – 6:06 PM
Cloud cover
66%
4th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.35 kWh/m²
Travel score
3.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Tapauá reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Tapauá

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tapauá weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°31828.812.32.6
Feb30° / 24°29125.812.22.6
Mar30° / 24°33429.1122.6
Apr30° / 24°29628.111.92.6
May30° / 24°22527.211.72.9
Jun30° / 23°10518.911.73.7
Jul31° / 23°6513.411.74.3
Aug32° / 24°8615.211.83.6
Sep32° / 24°14419.9123.0
Oct32° / 24°18423.712.12.7
Nov31° / 24°2302612.32.6
Dec31° / 24°29128.612.32.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
34951
44852
54654
64753
74654
84555
94555
104456
114456
124357
134357
144357
154159
164159
174060
183961
193862
203862
213763
223763
233664
243664
253565
263466
273466
283466
293268
303268

Chance of precipitation in September

Any precipitation

Tapauá gets around 144 mm of rain over 19.9 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 70% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
165
265
365
465
565
665
764
864
964
1064
1164
1264
1364
1464
1564
1664
1764
1865
1965
2066
2166
2266
2367
2467
2568
2668
2768
2869
2970
3070

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
122177
222177
322177
412178
512178
612079
712079
812079
912079
1012079
1112079
1212079
1311980
1411980
1511980
1611881
1711881
1811881
1901783
2001783
2101783
2201783
2301783
2401783
2501783
2601783
2701783
2801783
2901783
3001783

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:16 AM to 6:01 AM, and sunset from 6:09 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:166:09
211.96:156:09
311.96:156:09
411.96:146:09
511.96:146:08
611.96:136:08
711.96:136:08
811.96:126:08
911.96:126:08
1011.96:116:07
1111.96:116:07
1211.96:106:07
1312.06:106:07
1412.06:096:07
1512.06:096:06
1612.06:086:06
1712.06:076:06
1812.06:076:06
1912.06:066:06
2012.06:066:05
2112.06:056:05
2212.06:056:05
2312.06:046:05
2412.06:046:04
2512.06:036:04
2612.06:036:04
2712.06:026:04
2812.06:026:04
2912.06:016:04
3012.06:016:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.35 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.35 kWh/m² in September across the year — September's 5.35 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Tapauá?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
4th-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Tapauá.

What to pack for Tapauá in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Tapauá sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Tapauá in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tapauá peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeMar 12UV 15Sep 15UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul9Very high
Aug10Extreme
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec12Extreme

Air quality in Tapauá in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Tapauá is worst in August — around 38 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (June, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateAug 2237 µg/m³Jun 1010 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun10Good
Jul16Moderate
Aug38Poor
Sep34Moderate
Oct19Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Tapauá?

Tapauá sits at 5.6°S, 63.2°W, 48 m above sea level, in Brazil. The nearest listed city is Canutama, 167 km away.

LábreaAnoriBeruri

Topography around Tapauá

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tapauá.

Within 3 km, the terrain around Tapauá has only modest variations in elevation — a maximum elevation change of 50 m around an average of 48 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 70 m.

The land around Tapauá is covered by trees (79%) within 3 km, trees (91%) within 16 km, and trees (97%) within 80 km.

3 km
50 m
16 km
57 m
80 km
70 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Canutama 167 km · Coari 172 km · Manicoré 209 km · Humaitá 211 km · Codajás 235 km · Lábrea 255 km · Anori 268 km · Beruri 278 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tapauá (-5.6283°, -63.1833°, elevation 48 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).