Alexânia weather in September

In September, Alexânia sees average daytime highs of 31°C and overnight lows near 18°C, with 32 mm of rain across 5.5 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 48% 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 Alexânia's 4th-clearest and 3rd-windiest month. For the whole year in context, see Alexânia's year-round climate.

Daytime high
31°
1st warmest
Overnight low
18°
6th coldest
Rainfall
32 mm
5.5 wet days
Daylight
11 h 54 min
7:11 AM – 7:06 PM
Cloud cover
43%
4th clearest
Wind
9 km/h
3rd windiest
Solar energy
6.01 kWh/m²
Travel score
5.2
out of 10

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 Alexânia reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°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 2°C warmer than August and about 1°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13017
23117
33117
43117
53117
63117
73117
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183118
193118
203118
213118
223119
233119
243119
253119
263119
273119
283119
293119
303119

Alexânia 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°2312312.94.4
Feb28° / 19°19220.212.54.4
Mar28° / 19°21122.312.14.5
Apr28° / 18°9213.111.65.9
May27° / 16°203.311.37.6
Jun27° / 15°50.811.18.3
Jul28° / 14°00.111.18.4
Aug29° / 16°71.511.56.9
Sep31° / 18°325.511.95.2
Oct30° / 19°12215.912.44.3
Nov28° / 19°2172312.84.1
Dec27° / 19°23924.412.94.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38119
48020
57921
67921
77822
87822
97723
107525
117525
127426
137228
147228
157129
167030
176931
186832
196634
206634
216535
226436
236337
246040
255941
265842
275842
285743
295545
305545

Chance of precipitation in September

Any precipitation

Alexânia gets around 32 mm of rain over 5.5 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 19% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
19
210
310
410
510
610
710
810
911
1012
1112
1213
1314
1415
1516
1617
1719
1820
1921
2023
2124
2226
2327
2429
2530
2632
2733
2834
2935
3036

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1751780
2751780
3741880
4741880
5731890
6731890
7721990
87119100
97119100
106920110
116820111
126621121
136422131
146322141
156123151
165924161
175625181
185326192
195126212
204927222
214627243
224328263
234128284
243828294
253628315
263427336
273227346
283127367
292926378
302825388

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
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 7:23 AM to 7:00 AM, and sunset from 7:04 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:237:04
211.77:227:04
311.77:227:04
411.77:217:05
511.77:207:05
611.87:197:05
711.87:187:05
811.87:187:05
911.87:177:05
1011.87:167:05
1111.87:157:05
1211.87:147:05
1311.97:147:05
1411.97:137:05
1511.97:127:06
1611.97:117:06
1711.97:107:06
1811.97:097:06
1912.07:097:06
2012.07:087:06
2112.07:077:06
2212.07:067:06
2312.07:057:06
2412.07:047:06
2512.17:047:07
2612.17:037:07
2712.17:027:07
2812.17:017:07
2912.17:007:07
3012.17:007:07

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 — the sunniest month for solar.

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.01 kWh/m² in September 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
46.0Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Alexânia

In seasonPeak

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

Alexânia'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 Alexânia?

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

5.2
Sightseeing
6th-best month of the year
7.5
Beach & pool
5th-best month of the year

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

What to pack for Alexânia in September

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

In September, Alexânia sees daytime highs around 31°C and nights near 18°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Alexânia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alexânia peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 13UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep13Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Alexânia 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 Alexânia is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1823 µg/m³Jan 159 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun10Good
Jul9Good
Aug12Good
Sep24Moderate
Oct17Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Alexânia?

Alexânia sits at 16.1°S, 48.5°W, 1,089 m above sea level, in Brazil. The nearest listed city is Santo Antônio do Descoberto, 31 km away.

Topography around Alexânia

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

Within 3 km, the terrain around Alexânia has only modest variations in elevation — a maximum elevation change of 166 m around an average of 1,018 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, large variations in elevation — a maximum elevation change of 760 m.

The land around Alexânia is covered by grassland (42%) and trees (25%) within 3 km, grassland (41%) and trees (30%) within 16 km, and grassland (36%), trees (30%) and cropland (20%) within 80 km.

3 km
166 m
16 km
297 m
80 km
760 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Santo Antônio do Descoberto 31 km · Cocalzinho de Goiás 43 km · Águas Lindas de Goiás 43 km · Gama 47 km · Pôr do Sol 48 km · Samambaia 48 km · Novo Gama 50 km · Ceilândia 50 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 Alexânia (-16.0822°, -48.5072°, elevation 1,089 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).