Catalão weather in September

In September, Catalão sees average daytime highs of 31°C and overnight lows near 19°C, with 36 mm of rain across 5.2 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 31°C through the month. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Catalão's 4th-clearest and 1st-windiest month. For the whole year in context, see Catalão's year-round climate.

Daytime high
31°
1st warmest
Overnight low
19°
5th coldest
Rainfall
36 mm
5.2 wet days
Daylight
11 h 54 min
7:09 AM – 7:03 PM
Cloud cover
38%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
6.07 kWh/m²
Travel score
5.5
out of 10

Catalão 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 Catalão reaches about 31°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53019
63019
73019
83019
93019
103019
113019
123119
133119
143119
153119
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120

Catalão 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
Jan29° / 21°26722.2134.0
Feb29° / 21°18718.112.64.2
Mar29° / 21°18219.312.14.4
Apr29° / 20°639.511.65.9
May27° / 18°233.611.27.6
Jun27° / 16°81.410.98.3
Jul27° / 16°30.5118.5
Aug29° / 17°71.311.47.4
Sep31° / 19°365.211.95.5
Oct31° / 21°9112.712.44.4
Nov29° / 21°20720.712.94.0
Dec28° / 21°25123.913.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38119
48119
58119
68119
78119
88020
97921
107921
117822
127723
137624
147525
157426
167228
177129
187030
196931
206832
216634
226535
236436
246337
256238
266139
276040
286040
295941
305941

Chance of precipitation in September

Any precipitation

Catalão gets around 36 mm of rain over 5.2 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 18% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
19
29
39
49
59
610
710
810
911
1011
1112
1213
1313
1414
1515
1616
1717
1819
1920
2021
2123
2224
2325
2427
2528
2629
2730
2831
2932
3033

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15728132
25728132
35628142
45628142
55428153
65428153
75228164
85228164
95029174
104829185
114730185
124530196
134330206
144131227
153931238
163731248
173531259
1834312610
1932302711
2030302812
2128302913
2227293014
2325283115
2424273217
2523263319
2622253320
2721243322
2820223324
2920213425
3019203427

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 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
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 30 minutes over September. Sunrise moves from 7:22 AM to 6:57 AM, and sunset from 7:01 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:227:01
211.77:217:01
311.77:217:01
411.77:207:01
511.77:197:01
611.77:187:02
711.77:177:02
811.87:167:02
911.87:157:02
1011.87:157:02
1111.87:147:02
1211.87:137:02
1311.87:127:03
1411.97:117:03
1511.97:107:03
1611.97:097:03
1711.97:087:03
1811.97:077:03
1912.07:067:04
2012.07:067:04
2112.07:057:04
2212.07:047:04
2312.07:037:04
2412.07:027:04
2512.17:017:05
2612.17:007:05
2712.16:597:05
2812.16:587:05
2912.16:587:05
3012.16:577:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.07 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.24 kWh/m² in October across the year — September's 6.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
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
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Catalão

In seasonPeak

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

Catalão'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 Catalão?

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

5.5
Sightseeing
6th-best month of the year
7.8
Beach & pool
5th-best month of the year

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

What to pack for Catalão in September

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

In September, Catalão sees daytime highs around 31°C and nights near 19°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Catalão 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 Catalão peaks around February 12 at about 16 (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 16Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Catalão 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 Catalão is worst in September — around 16 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (July, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1815 µg/m³Jul 115 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun5Good
Jul5Good
Aug8Good
Sep16Moderate
Oct11Good
Nov6Good
Dec6Good
Location & terrain

Where is Catalão?

Catalão sits at 18.2°S, 47.9°W, 843 m above sea level, in Brazil. The nearest listed city is Ipameri, 54 km away.

Topography around Catalão

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

Within 3 km, the terrain around Catalão has only modest variations in elevation — a maximum elevation change of 148 m around an average of 866 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 337 m; within 80 km, significant variations in elevation — a maximum elevation change of 529 m.

The land around Catalão is covered by artificial surfaces (56%) within 3 km, grassland (42%), trees (26%) and cropland (25%) within 16 km, and grassland (44%), trees (24%) and cropland (23%) within 80 km.

3 km
148 m
16 km
337 m
80 km
529 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ipameri 54 km · Araguari 59 km · Monte Carmelo 78 km · Coromandel 86 km · Caldas Novas 86 km · Uberlândia 91 km · Tupaciguara 93 km · Pires do Rio 103 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 Catalão (-18.1658°, -47.9464°, elevation 843 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).