Ceres weather in September

In September, Ceres sees average daytime highs of 33°C and overnight lows near 20°C, with 18 mm of rain across 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 33°C through the month. The sky is clear or mostly clear about 56% 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 Ceres's 4th-clearest and 2nd-windiest month. For the whole year in context, see Ceres's year-round climate.

Daytime high
33°
1st warmest
Overnight low
20°
6th coldest
Rainfall
18 mm
4 wet days
Daylight
11 h 54 min
7:15 AM – 7:10 PM
Cloud cover
39%
4th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.97 kWh/m²
Travel score
3.9
out of 10

Ceres is settlement in Goiás, 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 33°C through the month.

A typical September day in Ceres reaches about 33°C in the afternoon and slips back to 20°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 1°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13319
23320
33320
43320
53320
63320
73420
83420
93420
103420
113420
123420
133420
143420
153420
163421
173421
183421
193421
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321

How September really feels in Ceres

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.

Ceres 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°2372312.83.7
Feb29° / 21°17820.912.53.7
Mar29° / 21°17821.712.13.8
Apr30° / 20°7312.311.74.7
May30° / 19°111.911.35.9
Jun30° / 17°30.511.16.5
Jul30° / 17°00.211.26.5
Aug32° / 18°30.511.55.3
Sep33° / 20°18411.93.9
Oct32° / 21°9713.912.33.4
Nov30° / 21°19522.112.73.5
Dec29° / 21°24223.112.93.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28317
38317
48317
58119
68119
78020
88020
97921
107921
117723
127723
137723
147525
157525
167525
177426
187426
197228
207228
217129
227030
236931
246733
256634
266436
276337
286238
296139
306040

Chance of precipitation in September

Any precipitation

Ceres gets around 18 mm of rain over 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 14% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
15
25
36
46
56
67
77
87
98
108
119
129
1310
1411
1511
1612
1713
1814
1915
2016
2118
2219
2321
2422
2524
2625
2726
2828
2929
3030

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
163221230
262221330
361221340
461221340
561221250
661221250
759231260
859231260
958231270
1056241370
1154251380
1253261380
1351261490
14482715100
15462816110
16432817110
17412918120
18382919140
19353021150
20323022160
21292923180
22272925200
23242826220
24222727240
25202628260
26192529280
27172329301
28162230321
29152130341
30142030351

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
248calm
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 7:27 AM to 7:04 AM, and sunset from 7:09 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:277:09
211.77:267:09
311.77:267:09
411.77:257:09
511.87:247:09
611.87:237:09
711.87:227:10
811.87:227:10
911.87:217:10
1011.87:207:10
1111.87:197:10
1211.97:187:10
1311.97:187:10
1411.97:177:10
1511.97:167:10
1611.97:157:10
1711.97:147:10
1811.97:147:10
1912.07:137:10
2012.07:127:10
2112.07:117:11
2212.07:107:11
2312.07:107:11
2412.07:097:11
2512.07:087:11
2612.17:077:11
2712.17:067:11
2812.17:067:11
2912.17:057:11
3012.17:047:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.97 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 5.97 kWh/m² in September across the year — September's 5.97 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
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 Ceres

In seasonPeak

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

Ceres'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 Ceres?

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

3.9
Sightseeing
6th-best month of the year
7.2
Beach & pool
5th-best month of the year

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

What to pack for Ceres in September

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

In September, Ceres sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Ceres 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 Ceres 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
Sep12Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Ceres 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 Ceres is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1923 µg/m³Jun 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul7Good
Aug11Good
Sep24Moderate
Oct19Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Ceres?

Ceres sits at 15.3°S, 49.6°W, 586 m above sea level, in Brazil. The nearest listed city is Rubiataba, 27 km away.

Topography around Ceres

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

Within 3 km, the terrain around Ceres has only modest variations in elevation — a maximum elevation change of 233 m around an average of 604 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 529 m; within 80 km, large variations in elevation — a maximum elevation change of 1,171 m.

The land around Ceres is covered by grassland (47%), trees (25%) and artificial surfaces (23%) within 3 km, grassland (45%), cropland (29%) and trees (24%) within 16 km, and grassland (43%), trees (32%) and cropland (22%) within 80 km.

3 km
233 m
16 km
529 m
80 km
1,171 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Rubiataba 27 km · Itapaci 40 km · Itapuranga 47 km · Goianésia 52 km · Jaraguá 57 km · Itaberaí 82 km · Goiás 91 km · Pirenópolis 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 Ceres (-15.3083°, -49.5983°, elevation 586 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).