Codajás weather in September

In September, Codajás sees average daytime highs of 32°C and overnight lows near 24°C, with 130 mm of rain across 21.4 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 16% 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 Codajás's 3rd-clearest and 6th-windiest month. For the whole year in context, see Codajás's year-round climate.

Daytime high
32°
1st warmest
Overnight low
24°
10th coldest
Rainfall
130 mm
21.4 wet days
Daylight
12 hours
6:03 AM – 6:02 PM
Cloud cover
68%
3rd clearest
Wind
4 km/h
6th windiest
Solar energy
5.28 kWh/m²
Travel score
3.0
out of 10

Codajás is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Codajás 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 29°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 Codajás

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
15 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.

Codajás weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°30328.312.22.8
Feb30° / 24°29525.312.12.8
Mar30° / 24°35529.4122.6
Apr30° / 24°35128.811.92.7
May30° / 24°3002911.82.8
Jun30° / 24°17224.411.83.2
Jul31° / 23°11220.311.83.7
Aug31° / 24°10318.311.93.5
Sep32° / 24°13021.4123.0
Oct32° / 25°16323.712.12.7
Nov31° / 24°20925.412.22.6
Dec30° / 24°28328.712.22.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24555
34456
44456
54456
64357
74258
84258
94159
104159
114159
124060
133961
143961
153763
163763
173664
183664
193466
203466
213466
223565
233565
243565
253565
263565
273565
283565
293565
303565

Chance of precipitation in September

Any precipitation

Codajás gets around 130 mm of rain over 21.4 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 70% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
169
269
370
470
570
671
771
871
971
1071
1171
1271
1371
1471
1571
1671
1771
1871
1971
2071
2171
2271
2371
2470
2570
2670
2769
2869
2969
3069

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12773
22773
32773
42872
52872
62872
72872
82872
92872
102872
112773
122773
132674
142674
152575
162575
172476
182476
192377
202377
212377
222278
232278
242278
252278
262278
272278
282278
292278
302278

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:10 AM to 5:57 AM, and sunset from 6:06 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:106:06
211.96:106:05
311.96:096:05
411.96:096:05
511.96:086:05
611.96:086:05
711.96:076:04
812.06:076:04
912.06:076:04
1012.06:066:04
1112.06:066:03
1212.06:056:03
1312.06:056:03
1412.06:046:02
1512.06:046:02
1612.06:036:02
1712.06:036:02
1812.06:026:01
1912.06:026:01
2012.06:016:01
2112.06:016:01
2212.06:006:00
2312.06:006:00
2412.05:596:00
2512.05:596:00
2612.05:585:59
2712.05:585:59
2812.05:585:59
2912.05:575:59
3012.05:575:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.72 kWh/m² to a high of 5.34 kWh/m² in October across the year — September's 5.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Codajás?

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
4.7
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Codajás.

What to pack for Codajás in September

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

In September, Codajás sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Codajás in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Codajás peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highExtremeMar 12UV 15Sep 16UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug11Extreme
Sep9Very high
Oct11Extreme
Nov11Extreme
Dec12Extreme

Air quality in Codajás 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 Codajás is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1423 µg/m³Jun 1111 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May11Good
Jun11Good
Jul12Moderate
Aug22Moderate
Sep24Moderate
Oct21Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Codajás?

Codajás sits at 3.8°S, 62.1°W, 30 m above sea level, in Brazil. The nearest listed city is Anori, 46 km away.

Topography around Codajás

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

Within 3 km, the terrain around Codajás has only modest variations in elevation — a maximum elevation change of 39 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 46 m; within 80 km, only modest variations in elevation — a maximum elevation change of 62 m.

The land around Codajás is covered by trees (53%) and water (30%) within 3 km, trees (80%) within 16 km, and trees (87%) within 80 km.

3 km
39 m
16 km
46 m
80 km
62 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Anori 46 km · Beruri 76 km · Coari 123 km · Manacapuru 170 km · Manaquiri 183 km · Novo Airão 183 km · Careiro 187 km · Iranduba 217 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 Codajás (-3.8367°, -62.0569°, elevation 30 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).