Anápolis weather in September

In September, Anápolis sees average daytime highs of 31°C and overnight lows near 19°C, with 34 mm of rain across 6.1 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 31°C through the month. The sky is clear or mostly clear about 45% 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 Anápolis's 5th-clearest and 3rd-windiest month. For the whole year in context, see Anápolis's year-round climate.

Daytime high
31°
1st warmest
Overnight low
19°
6th coldest
Rainfall
34 mm
6.1 wet days
Daylight
11 h 54 min
7:13 AM – 7:07 PM
Cloud cover
44%
5th clearest
Wind
9 km/h
3rd windiest
Solar energy
6.01 kWh/m²
Travel score
5.1
out of 10

Anápolis 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 31°C through the month.

A typical September day in Anápolis reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°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°151015202530
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63118
73118
83118
93118
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119

Anápolis 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
Jan27° / 19°26524.412.94.2
Feb28° / 19°22721.412.54.3
Mar28° / 19°24523.412.14.4
Apr28° / 18°11314.211.65.7
May28° / 17°19311.27.6
Jun27° / 16°51118.2
Jul28° / 15°10.311.18.3
Aug29° / 17°91.411.56.7
Sep31° / 19°346.111.95.1
Oct30° / 19°13517.112.44.2
Nov28° / 19°22923.412.84.1
Dec27° / 19°25825.4134.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27723
37723
47723
57723
67723
77723
87624
97525
107426
117426
127327
137327
147129
157030
167030
176931
186832
196832
206634
216535
226436
236337
246238
256040
265941
275842
285743
295644
305545

Chance of precipitation in September

Any precipitation

Anápolis gets around 34 mm of rain over 6.1 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 21% 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 (%)
19
29
39
410
510
610
711
811
912
1013
1114
1215
1316
1417
1518
1620
1721
1822
1924
2025
2127
2228
2330
2431
2533
2634
2736
2837
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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1761680
2761680
3761680
4741790
5741790
67317100
77218100
87118101
97018111
106819121
116819121
126620131
136421141
146321151
156022162
165823172
175624182
185225203
195026213
204826224
214527244
224227255
234028276
243728296
253528307
263327328
273127339
2829273510
2928263611
3027253611

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
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 7:25 AM to 7:01 AM, and sunset from 7:06 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:257:06
211.77:247:06
311.77:247:06
411.77:237:06
511.77:227:06
611.87:217:06
711.87:207:07
811.87:207:07
911.87:197:07
1011.87:187:07
1111.87:177:07
1211.87:167:07
1311.97:157:07
1411.97:157:07
1511.97:147:07
1611.97:137:07
1711.97:127:08
1811.97:117:08
1912.07:107:08
2012.07:097:08
2112.07:097:08
2212.07:087:08
2312.07:077:08
2412.07:067:08
2512.17:057:08
2612.17:047:08
2712.17:047:09
2812.17:037:09
2912.17:027:09
3012.17:017:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.01 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.06 kWh/m² in October across the year — September's 6.01 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Anápolis

In seasonPeak

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

Anápolis'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 Anápolis?

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

5.1
Sightseeing
6th-best month of the year
7.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Anápolis for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Anápolis in September

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

In September, Anápolis sees daytime highs around 31°C and nights near 19°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Anápolis 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 Anápolis peaks around February 12 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 highExtremeFeb 12UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Anápolis 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 Anápolis is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1917 µg/m³Jul 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Good
Apr10Good
May10Good
Jun9Good
Jul8Good
Aug10Good
Sep18Moderate
Oct14Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Anápolis?

Anápolis sits at 16.3°S, 49.0°W, 1,003 m above sea level, in Brazil. The nearest listed city is Nerópolis, 30 km away.

Topography around Anápolis

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

Within 3 km, the terrain around Anápolis has only modest variations in elevation — a maximum elevation change of 196 m around an average of 1,014 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 358 m; within 80 km, large variations in elevation — a maximum elevation change of 756 m.

The land around Anápolis is covered by artificial surfaces (71%) within 3 km, grassland (32%), cropland (28%) and trees (26%) within 16 km, and grassland (36%), trees (29%) and cropland (27%) within 80 km.

3 km
196 m
16 km
358 m
80 km
756 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Nerópolis 30 km · Senador Canedo 45 km · Goiânia 51 km · Silvânia 52 km · Pirenópolis 53 km · Goianira 54 km · Alexânia 55 km · Inhumas 58 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 Anápolis (-16.3267°, -48.9528°, elevation 1,003 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).