Goianésia weather in September

In September, Goianésia sees average daytime highs of 34°C and overnight lows near 21°C, with 26 mm of rain across 4.9 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 34°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 Goianésia's 4th-clearest and 3rd-windiest month. For the whole year in context, see Goianésia's year-round climate.

Daytime high
34°
1st warmest
Overnight low
21°
10th coldest
Rainfall
26 mm
4.9 wet days
Daylight
11 h 54 min
7:13 AM – 7:08 PM
Cloud cover
42%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
6.07 kWh/m²
Travel score
3.7
out of 10

Goianésia 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 34°C through the month.

A typical September day in Goianésia reaches about 34°C in the afternoon and slips back to 21°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13320
23320
33320
43420
53420
63420
73420
83420
93420
103420
113421
123421
133421
143421
153421
163421
173421
183421
193421
203421
213421
223421
233421
243421
253321
263321
273321
283321
293321
303321

How September really feels in Goianésia

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.

Goianésia 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°26223.612.83.7
Feb29° / 21°2032112.53.6
Mar30° / 21°19922.212.13.7
Apr30° / 20°7912.311.74.7
May30° / 19°142.611.35.9
Jun30° / 17°30.511.16.6
Jul30° / 17°00.111.26.5
Aug32° / 18°30.911.55.2
Sep34° / 21°264.911.93.7
Oct32° / 21°11515.312.33.3
Nov30° / 21°22622.912.73.4
Dec29° / 21°2752412.93.6

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 (%)
18020
27921
37921
47921
57822
67822
77822
87624
97624
107624
117426
127426
137327
147327
157228
167030
177030
186931
196931
206733
216634
226535
236436
246238
256238
266040
275941
285842
295842
305644

Chance of precipitation in September

Any precipitation

Goianésia gets around 26 mm of rain over 4.9 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 17% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
16
26
36
46
57
67
77
88
98
109
1110
1211
1312
1413
1514
1616
1717
1818
1920
2021
2122
2224
2326
2427
2529
2630
2731
2832
2933
3034

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17117102
27117102
37017103
46818113
56718114
66718114
76718114
86618115
96519115
106419116
116320116
126121126
135922127
145723137
155523148
165224159
1750251610
1847251710
1944261811
2042261913
2139262114
2236262215
2334262417
2431252518
2529252720
2626242822
2725232924
2823223025
2921223027
3020213128

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 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
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 7:02 AM, and sunset from 7:07 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:257:07
211.77:247:07
311.77:247:07
411.77:237:07
511.87:227:07
611.87:217:08
711.87:217:08
811.87:207:08
911.87:197:08
1011.87:187:08
1111.87:177:08
1211.97:177:08
1311.97:167:08
1411.97:157:08
1511.97:147:08
1611.97:137:08
1711.97:137:08
1811.97:127:08
1912.07:117:08
2012.07:107:09
2112.07:097:09
2212.07:087:09
2312.07:087:09
2412.07:077:09
2512.07:067:09
2612.17:057:09
2712.17:047:09
2812.17:047:09
2912.17:037:09
3012.17:027:09

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 — the sunniest month for solar.

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 6.07 kWh/m² in September across the year — September's 6.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Goianésia

In seasonPeak

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

Goianésia'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 Goianésia?

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

3.7
Sightseeing
6th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Goianésia in September

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

In September, Goianésia sees daytime highs around 34°C and nights near 21°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Goianésia 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 Goianésia peaks around February 14 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 14UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Goianésia 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 Goianésia is worst in September — around 30 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (June, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1829 µg/m³Jun 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul7Good
Aug13Moderate
Sep30Moderate
Oct21Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Goianésia?

Goianésia sits at 15.3°S, 49.1°W, 649 m above sea level, in Brazil. The nearest listed city is Ceres, 52 km away.

Topography around Goianésia

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

Within 3 km, the terrain around Goianésia has only modest variations in elevation — a maximum elevation change of 140 m around an average of 644 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 564 m; within 80 km, large variations in elevation — a maximum elevation change of 1,032 m.

The land around Goianésia is covered by artificial surfaces (45%) within 3 km, grassland (35%), trees (32%) and cropland (30%) within 16 km, and grassland (36%), trees (31%) and cropland (25%) within 80 km.

3 km
140 m
16 km
564 m
80 km
1,032 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ceres 52 km · Jaraguá 54 km · Pirenópolis 62 km · Itapaci 62 km · Cocalzinho de Goiás 64 km · Rubiataba 76 km · Uruaçu 88 km · Padre Bernardo 91 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 Goianésia (-15.3175°, -49.1175°, elevation 649 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).