Uruaçu weather in September

In September, Uruaçu sees average daytime highs of 34°C and overnight lows near 22°C, with 22 mm of rain across 4.2 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Uruaçu's 4th-clearest and 3rd-windiest month. For the whole year in context, see Uruaçu's year-round climate.

Daytime high
34°
1st warmest
Overnight low
22°
11th coldest
Rainfall
22 mm
4.2 wet days
Daylight
11 h 54 min
7:13 AM – 7:08 PM
Cloud cover
42%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
6.08 kWh/m²
Travel score
3.3
out of 10

Uruaçu is human 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 34°C through the month.

A typical September day in Uruaçu reaches about 34°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13421
23421
33421
43421
53421
63421
73421
83422
93422
103422
113522
123522
133522
143522
153522
163422
173422
183422
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422

How September really feels in Uruaçu

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
heat index over the day's high
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.

Uruaçu weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°28524.412.83.4
Feb30° / 21°2182212.53.3
Mar30° / 22°22923.212.13.4
Apr31° / 21°1031411.74.2
May31° / 20°172.811.35.3
Jun31° / 19°30.511.25.9
Jul31° / 18°00.111.25.9
Aug33° / 20°30.811.54.6
Sep34° / 22°224.211.93.3
Oct33° / 22°11514.212.33.1
Nov30° / 22°23322.112.73.3
Dec30° / 22°28123.812.83.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28119
38119
48119
58020
68020
78020
87921
97822
107723
117723
127723
137624
147624
157525
167525
177327
187327
197228
207129
216931
226931
236832
246733
256535
266436
276238
286238
296040
305941

Chance of precipitation in September

Any precipitation

Uruaçu gets around 22 mm of rain over 4.2 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 15% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
16
26
36
47
57
67
77
87
98
108
119
129
1310
1410
1511
1612
1713
1814
1915
2017
2118
2219
2321
2423
2524
2626
2727
2829
2930
3031

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162231230
261231240
361231240
461221250
561221250
659231260
760231160
859231170
958241170
1055251280
1154261280
1253261290
1351271390
14482814100
15452914110
16432915120
17403017131
18383018141
19353019151
20323020161
21293022181
22272923201
23252824211
24232725232
25212626252
26192427273
27172328293
28162228303
29152129324
30142029334

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 7:25 AM to 7:02 AM, and sunset from 7:08 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:257:08
211.77:247:08
311.77:237:08
411.87:237:08
511.87:227:08
611.87:217:08
711.87:207:08
811.87:207:08
911.87:197:08
1011.87:187:08
1111.97:177:08
1211.97:167:08
1311.97:167:08
1411.97:157:08
1511.97:147:08
1611.97:137:08
1711.97:127:09
1811.97:127:09
1912.07:117:09
2012.07:107:09
2112.07:097:09
2212.07:097:09
2312.07:087:09
2412.07:077:09
2512.07:067:09
2612.17:057:09
2712.17:057:09
2812.17:047:09
2912.17:037:09
3012.17:027:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.08 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 6.08 kWh/m² in September across the year — September's 6.08 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Uruaçu

In seasonPeak

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

Uruaçu's monsoon runs November–March, when most of the year's rain falls.

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

Is September a good time to visit Uruaçu?

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

3.3
Sightseeing
9th-best month of the year
6.8
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Uruaçu. The water and warmth also suit a beach or pool day.

What to pack for Uruaçu in September

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

In September, Uruaçu sees daytime highs around 34°C and nights near 22°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Uruaçu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uruaçu peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeFeb 16UV 15Jun 23UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Uruaçu 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 Uruaçu is worst in September — around 22 µg/m³ PM2.5 (moderate), about 5.8× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2021 µg/m³Jul 104 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar8Good
Apr7Good
May5Good
Jun4Good
Jul4Good
Aug8Good
Sep22Moderate
Oct17Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Uruaçu?

Uruaçu sits at 14.5°S, 49.1°W, 524 m above sea level, in Brazil. The nearest listed city is Itapaci, 65 km away.

Topography around Uruaçu

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

Within 3 km, the terrain around Uruaçu has only modest variations in elevation — a maximum elevation change of 155 m around an average of 519 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,213 m.

The land around Uruaçu is covered by artificial surfaces (33%), grassland (31%) and trees (25%) within 3 km, grassland (31%) and trees (27%) within 16 km, and grassland (43%) and trees (30%) within 80 km.

3 km
155 m
16 km
363 m
80 km
1,213 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Itapaci 65 km · Niquelândia 74 km · Goianésia 88 km · Crixás 89 km · Ceres 100 km · Rubiataba 101 km · Padre Bernardo 116 km · Porangatu 121 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 Uruaçu (-14.5247°, -49.1408°, elevation 524 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).