Rubiataba weather in September

In September, Rubiataba sees average daytime highs of 33°C and overnight lows near 20°C, with 30 mm of rain across 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 33°C through the month. The sky is clear or mostly clear about 53% 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 Rubiataba's 4th-clearest and 3rd-windiest month. For the whole year in context, see Rubiataba's year-round climate.

Daytime high
33°
1st warmest
Overnight low
20°
6th coldest
Rainfall
30 mm
5 wet days
Daylight
11 h 54 min
7:16 AM – 7:11 PM
Cloud cover
41%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.93 kWh/m²
Travel score
4.1
out of 10

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 Rubiataba 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 30°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)
13320
23320
33320
43320
53320
63320
73320
83320
93320
103320
113320
123320
133320
143320
153321
163321
173321
183321
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321

How September really feels in Rubiataba

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.

Rubiataba 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
Jan28° / 21°27724.112.83.8
Feb29° / 21°21321.812.53.7
Mar29° / 21°21022.712.13.8
Apr30° / 20°9213.611.74.8
May30° / 19°182.711.36.2
Jun29° / 17°40.611.16.9
Jul30° / 17°00.111.26.8
Aug32° / 18°5111.55.5
Sep33° / 20°30511.94.1
Oct32° / 21°1251612.33.6
Nov29° / 21°23323.312.73.6
Dec28° / 21°28424.512.93.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% 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 (%)
18218
28218
38119
48119
58020
68020
77921
87921
97822
107822
117624
127624
137525
147525
157525
167327
177327
187228
197228
207030
216931
226832
236634
246535
256436
266238
276139
286040
295941
305743

Chance of precipitation in September

Any precipitation

Rubiataba gets around 30 mm of rain over 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 17% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
18
28
38
48
58
68
78
89
99
1010
1110
1211
1312
1413
1514
1615
1716
1817
1918
2020
2121
2223
2325
2427
2528
2630
2731
2833
2934
3035

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 42% 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 (%)
163211330
263211330
362211340
462211340
561211350
661211350
760211360
859211370
958221370
1056231380
1156231380
1253241490
1352251490
14492615100
15472616110
16442717120
17412718130
18392820140
19362821150
20332822170
21302823190
22282724210
23252625230
24232527250
25212427270
26202328290
27182129310
28172029330
29161930351
30151830371

Wind in September

Winds average 8 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
168calm
178calm
188calm
198calm
208calm
218calm
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 7:28 AM to 7:05 AM, and sunset from 7:10 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:287:10
211.77:277:10
311.77:267:10
411.77:267:10
511.87:257:10
611.87:247:10
711.87:237:10
811.87:227:11
911.87:227:11
1011.87:217:11
1111.87:207:11
1211.97:197:11
1311.97:187:11
1411.97:187:11
1511.97:177:11
1611.97:167:11
1711.97:157:11
1811.97:147:11
1912.07:147:11
2012.07:137:11
2112.07:127:11
2212.07:117:11
2312.07:107:12
2412.07:107:12
2512.07:097:12
2612.17:087:12
2712.17:077:12
2812.17:067:12
2912.17:067:12
3012.17:057:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.93 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 5.93 kWh/m² in September across the year — September's 5.93 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Rubiataba

In seasonPeak

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

Rubiataba'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 Rubiataba?

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

4.1
Sightseeing
6th-best month of the year
7.1
Beach & pool
5th-best month of the year

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

What to pack for Rubiataba in September

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

In September, Rubiataba sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Rubiataba 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 Rubiataba peaks around January 24 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 highExtremeJan 24UV 15Jun 22UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Rubiataba 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 Rubiataba 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 Rubiataba?

Rubiataba sits at 15.2°S, 49.8°W, 638 m above sea level, in Brazil. The nearest listed city is Ceres, 27 km away.

Topography around Rubiataba

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

Within 3 km, the terrain around Rubiataba has only modest variations in elevation — a maximum elevation change of 188 m around an average of 642 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 527 m; within 80 km, large variations in elevation — a maximum elevation change of 841 m.

The land around Rubiataba is covered by grassland (48%) and trees (20%) within 3 km, grassland (52%) and trees (29%) within 16 km, and grassland (50%) and trees (31%) within 80 km.

3 km
188 m
16 km
527 m
80 km
841 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ceres 27 km · Itapaci 36 km · Itapuranga 47 km · Crixás 71 km · Goianésia 76 km · Jaraguá 83 km · Goiás 93 km · Itaberaí 95 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 Rubiataba (-15.1644°, -49.8033°, elevation 638 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).