Canutama weather in September

In September, Canutama sees average daytime highs of 33°C and overnight lows near 24°C, with 115 mm of rain across 18.6 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 33°C through the month. The sky is clear or mostly clear about 21% 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 h 06 min by month's end. Set against the rest of the year, September is Canutama's 4th-clearest and 2nd-windiest month. For the whole year in context, see Canutama's year-round climate.

Daytime high
33°
1st warmest
Overnight low
24°
10th coldest
Rainfall
115 mm
18.6 wet days
Daylight
12 hours
6:13 AM – 6:11 PM
Cloud cover
63%
4th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.43 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 33°C through the month.

A typical September day in Canutama reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123323
133323
143323
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324

How September really feels in Canutama

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
14 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.

Canutama 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
Jan31° / 23°30929.512.32.5
Feb31° / 24°28626.212.22.5
Mar31° / 24°32329.4122.5
Apr31° / 23°27728.211.92.5
May30° / 23°19426.211.73.0
Jun30° / 23°9017.711.63.9
Jul31° / 22°5010.511.74.6
Aug32° / 23°6812.711.83.7
Sep33° / 24°11518.6123.0
Oct32° / 24°17123.412.12.7
Nov31° / 24°22426.112.32.5
Dec31° / 24°29628.712.42.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25545
35347
45347
55248
65149
74951
84852
94852
104852
114654
124555
134555
144456
154357
164258
174159
184159
194159
204060
213961
223961
233862
243763
253565
263565
273466
283367
293268
303268

Chance of precipitation in September

Any precipitation

Canutama gets around 115 mm of rain over 18.6 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 61% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
158
258
359
459
559
660
760
860
960
1060
1160
1260
1361
1461
1561
1661
1762
1862
1962
2063
2163
2263
2363
2463
2563
2664
2764
2864
2964
3065

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1154747
2144747
3144847
4144847
5144847
6034947
7034947
8034947
9034948
10034948
11024849
12024850
13024751
14024652
15024553
16024553
17024454
18014356
19014257
20014158
21014158
22014059
23013960
24013861
25013861
26013762
27013663
28013564
29013564
30013465

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 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over September. Sunrise moves from 6:21 AM to 6:05 AM, and sunset from 6:13 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:13
211.96:216:13
311.96:206:13
411.96:196:13
511.96:196:13
611.96:186:13
711.96:186:12
811.96:176:12
911.96:176:12
1011.96:166:12
1111.96:166:12
1211.96:156:12
1311.96:156:11
1412.06:146:11
1512.06:136:11
1612.06:136:11
1712.06:126:11
1812.06:126:10
1912.06:116:10
2012.06:116:10
2112.06:106:10
2212.06:106:10
2312.06:096:10
2412.06:086:09
2512.06:086:09
2612.06:076:09
2712.06:076:09
2812.06:066:09
2912.06:066:09
3012.16:056:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 5.43 kWh/m² in September across the year — September's 5.43 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Canutama

In seasonPeak

None of Canutama's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Canutama's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Canutama?

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
5.0
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Canutama.

What to pack for Canutama in September

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

In September, Canutama sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Canutama in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Canutama peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 24 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Aug 24UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug7Very high
Sep7Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Canutama 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 Canutama is worst in September — around 37 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (June, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 937 µg/m³Jun 1110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr12Moderate
May11Good
Jun10Good
Jul13Moderate
Aug36Poor
Sep37Poor
Oct18Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Canutama?

Canutama sits at 6.5°S, 64.4°W, 49 m above sea level, in Brazil. The nearest listed city is Lábrea, 93 km away.

Porto VelhoCandeias do JamariCoariPauiniCarauari

Topography around Canutama

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

Within 3 km, the terrain around Canutama has only modest variations in elevation — a maximum elevation change of 32 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 82 m.

The land around Canutama is covered by trees (82%) within 3 km, trees (88%) within 16 km, and trees (98%) within 80 km.

3 km
32 m
16 km
54 m
80 km
82 m
treesgrasslandartificial surfaceswater
September weather nearby: Lábrea 93 km · Tapauá 167 km · Humaitá 185 km · Porto Velho 253 km · Candeias do Jamari 264 km · Coari 305 km · Pauini 315 km · Carauari 333 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 Canutama (-6.5339°, -64.3831°, elevation 49 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).