Jataí weather in September

In September, Jataí sees average daytime highs of 31°C and overnight lows near 19°C, with 60 mm of rain across 8.4 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 51% 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 Jataí's 4th-clearest and 2nd-windiest month. For the whole year in context, see Jataí's year-round climate.

Daytime high
31°
1st warmest
Overnight low
19°
6th coldest
Rainfall
60 mm
8.4 wet days
Daylight
11 h 54 min
7:24 AM – 7:18 PM
Cloud cover
44%
4th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.77 kWh/m²
Travel score
4.7
out of 10

Jataí 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 Jataí 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 27°C and 35°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63118
73118
83118
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119

Jataí 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° / 20°24325.5133.5
Feb29° / 20°21223.312.63.4
Mar29° / 20°21625.112.13.5
Apr29° / 19°9413.211.65.2
May28° / 16°325.311.27.2
Jun28° / 15°111.510.98.1
Jul28° / 15°61.1117.9
Aug30° / 16°132.111.46.4
Sep31° / 19°608.411.94.7
Oct31° / 20°14318.912.43.7
Nov29° / 20°2032312.83.6
Dec29° / 20°23226.313.13.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27921
37822
47723
57723
67723
77624
87525
97426
107426
117228
127129
137030
147030
156832
166832
176733
186733
196535
206436
216436
226337
236139
246040
256040
265941
275743
285743
295644
305545

Chance of precipitation in September

Any precipitation

Jataí gets around 60 mm of rain over 8.4 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 28% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
114
214
315
415
516
616
717
818
919
1020
1121
1222
1323
1424
1525
1627
1728
1830
1931
2033
2135
2236
2338
2440
2542
2644
2745
2847
2948
3049

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 17% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16021154
26021154
35821165
45621176
55621176
65421187
75321188
85121199
95022209
1048222010
1146222111
1244232212
1342232212
1440232313
1538232414
1637242515
1735242616
1833242617
1931242718
2029242820
2127232821
2225232923
2324222925
2422222927
2521213029
2620203031
2718192933
2817182935
2917172937
3016162939

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
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 7:37 AM to 7:12 AM, and sunset from 7:16 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:377:16
211.77:367:16
311.77:367:16
411.77:357:16
511.77:347:17
611.77:337:17
711.77:327:17
811.87:317:17
911.87:307:17
1011.87:307:17
1111.87:297:17
1211.87:287:18
1311.87:277:18
1411.97:267:18
1511.97:257:18
1611.97:247:18
1711.97:237:18
1811.97:227:19
1912.07:227:19
2012.07:217:19
2112.07:207:19
2212.07:197:19
2312.07:187:19
2412.07:177:19
2512.17:167:20
2612.17:157:20
2712.17:147:20
2812.17:147:20
2912.17:137:20
3012.17:127:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.77 kWh/m².

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 5.97 kWh/m² in October across the year — September's 5.77 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Jataí

In seasonPeak

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

Jataí'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 Jataí?

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

4.7
Sightseeing
6th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Jataí in September

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

In September, Jataí sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Jataí in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jataí peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 8UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Jataí 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 Jataí is worst in September — around 25 µg/m³ PM2.5 (moderate), about 7.9× the cleanest month (July, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1723 µg/m³Jul 113 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr5Good
May5Good
Jun4Good
Jul3Good
Aug8Good
Sep25Moderate
Oct11Good
Nov5Good
Dec6Good
Location & terrain

Where is Jataí?

Jataí sits at 17.9°S, 51.7°W, 741 m above sea level, in Brazil. The nearest listed city is Rio Verde, 84 km away.

Topography around Jataí

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

Within 3 km, the terrain around Jataí has only modest variations in elevation — a maximum elevation change of 194 m around an average of 723 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 351 m; within 80 km, significant variations in elevation — a maximum elevation change of 583 m.

The land around Jataí is covered by artificial surfaces (54%) and trees (21%) within 3 km, cropland (55%) and trees (27%) within 16 km, and cropland (52%), trees (25%) and grassland (21%) within 80 km.

3 km
194 m
16 km
351 m
80 km
583 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Rio Verde 84 km · Mineiros 94 km · Caiapônia 103 km · Santa Helena de Goiás 119 km · Cassilândia 137 km · Chapadão do Sul 139 km · Quirinópolis 148 km · Acreúna 152 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 Jataí (-17.8794°, -51.7217°, elevation 741 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).