Acreúna weather in September

In September, Acreúna sees average daytime highs of 33°C and overnight lows near 20°C, with 39 mm of rain across 6 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 33°C through the month. The sky is clear or mostly clear about 56% 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 Acreúna's 4th-clearest and 2nd-windiest month. For the whole year in context, see Acreúna's year-round climate.

Daytime high
33°
1st warmest
Overnight low
20°
6th coldest
Rainfall
39 mm
6 wet days
Daylight
11 h 54 min
7:19 AM – 7:13 PM
Cloud cover
40%
4th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.98 kWh/m²
Travel score
3.8
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 Acreúna reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63319
73320
83320
93320
103420
113420
123420
133420
143420
153420
163420
173420
183420
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321

How September really feels in Acreúna

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.

Acreúna 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°22523.412.93.4
Feb30° / 21°17421.112.63.4
Mar30° / 21°17021.812.13.5
Apr30° / 20°7210.811.64.8
May29° / 18°213.811.26.3
Jun29° / 17°50.9116.9
Jul30° / 16°30.611.16.8
Aug32° / 18°81.111.45.4
Sep33° / 20°39611.93.8
Oct33° / 21°11515.312.43.2
Nov31° / 21°18222.212.83.2
Dec30° / 22°21425.4133.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38119
48119
58020
67921
77921
87921
97822
107822
117723
127624
137525
147426
157327
167228
177129
187030
196931
206832
216634
226535
236436
246238
256139
266040
275941
285842
295743
305743

Chance of precipitation in September

Any precipitation

Acreúna gets around 39 mm of rain over 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 20% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
17
28
38
49
59
610
711
811
912
1013
1114
1214
1315
1417
1518
1619
1720
1821
1923
2024
2126
2227
2329
2431
2532
2634
2735
2836
2938
3039

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
163191350
263191350
361191460
461191460
559191570
657201580
756201680
855201690
9532017100
10512117110
11512117110
12482218120
13462219130
14442219140
15422220150
16402321160
17382322180
18362322190
19342323200
20322324220
21302324230
22282225251
23262225271
24242125291
25222026301
26211926322
27201926342
28191825362
29181725382
30171625393

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 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
288calm
298calm
308calm

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 7:32 AM to 7:07 AM, and sunset from 7:11 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:327:11
211.77:317:11
311.77:307:11
411.77:297:11
511.77:287:11
611.77:277:12
711.87:277:12
811.87:267:12
911.87:257:12
1011.87:247:12
1111.87:237:12
1211.87:227:12
1311.97:217:13
1411.97:207:13
1511.97:207:13
1611.97:197:13
1711.97:187:13
1811.97:177:13
1912.07:167:13
2012.07:157:13
2112.07:147:14
2212.07:137:14
2312.07:137:14
2412.07:127:14
2512.17:117:14
2612.17:107:14
2712.17:097:14
2812.17:087:15
2912.17:077:15
3012.17:077:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.98 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.17 kWh/m² in October across the year — September's 5.98 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Acreúna

In seasonPeak

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

Acreúna's monsoon runs October–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 Acreúna?

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

3.8
Sightseeing
6th-best month of the year
6.9
Beach & pool
5th-best month of the year

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

What to pack for Acreúna in September

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

In September, Acreúna sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Acreúna 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 Acreúna peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Acreúna 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 Acreúna is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1724 µg/m³Jun 176 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May6Good
Jun5Good
Jul6Good
Aug11Good
Sep25Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Acreúna?

Acreúna sits at 17.4°S, 50.4°W, 542 m above sea level, in Brazil. The nearest listed city is Indiara, 50 km away.

Topography around Acreúna

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

Within 3 km, the terrain around Acreúna has only modest variations in elevation — a maximum elevation change of 58 m around an average of 531 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 190 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Acreúna is covered by cropland (55%) within 3 km, cropland (72%) within 16 km, and cropland (68%) within 80 km.

3 km
58 m
16 km
190 m
80 km
507 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Indiara 50 km · Santa Helena de Goiás 52 km · Rio Verde 74 km · Palmeiras de Goiás 81 km · São Luís de Montes Belos 97 km · Pontalina 100 km · Guapó 110 km · Anicuns 113 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 Acreúna (-17.3956°, -50.3769°, elevation 542 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).