Santa Rita de Cássia weather in September

In September, Santa Rita de Cássia sees average daytime highs of 35°C and overnight lows near 22°C, with 5 mm of rain across 0.7 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 70% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Santa Rita de Cássia's 3rd-clearest and 1st-windiest month. For the whole year in context, see Santa Rita de Cássia's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
22°
9th coldest
Rainfall
5 mm
0.7 wet days
Daylight
11 h 54 min
5:54 AM – 5:51 PM
Cloud cover
31%
3rd clearest
Wind
11 km/h
1st windiest
Solar energy
6.66 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Santa Rita de Cássia reaches about 35°C in the afternoon and slips back to 22°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13421
23421
33421
43421
53421
63422
73422
83422
93422
103422
113422
123522
133522
143522
153522
163522
173522
183522
193522
203523
213523
223523
233523
243523
253523
263523
273523
283523
293523
303523

How September really feels in Santa Rita de Cássia

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.

Santa Rita de Cássia weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°15615.512.63.8
Feb31° / 22°12715.112.43.8
Mar31° / 22°14715.812.13.9
Apr31° / 22°698.811.84.5
May32° / 22°172.611.55.0
Jun31° / 20°00.111.45.6
Jul31° / 20°0011.45.7
Aug33° / 20°0011.64.8
Sep35° / 22°50.711.93.4
Oct35° / 24°485.312.22.8
Nov33° / 23°13312.112.53.4
Dec32° / 22°13413.412.63.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48614
58614
68713
78713
88614
98614
108614
118614
128614
138515
148515
158515
168416
178416
188317
198317
208317
218119
228119
238119
248020
257921
267921
277822
287723
297723
307723

Chance of precipitation in September

Any precipitation

Santa Rita de Cássia gets around 5 mm of rain over 0.7 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 2% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
52
62
72
82
92
102
112
121
131
142
152
162
172
182
192
203
213
223
233
243
253
264
274
284
294
305

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14549500
24549600
34549600
44449600
54449600
64449700
74349700
84349700
94349700
104349710
114349810
124348810
134348910
144248910
1542471010
1641471010
1741471110
1840461220
1939461320
2038461420
2137461430
2236461530
2335461630
2434471730
2533471730
2632471840
2731471840
2830471840
2930481840
3029481851

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 6:04 AM to 5:45 AM, and sunset from 5:51 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:045:51
211.86:045:51
311.86:035:51
411.86:025:51
511.86:025:51
611.86:015:51
711.86:005:51
811.96:005:51
911.95:595:51
1011.95:585:51
1111.95:585:51
1211.95:575:51
1311.95:565:51
1411.95:565:51
1511.95:555:51
1611.95:545:51
1712.05:545:51
1812.05:535:50
1912.05:525:50
2012.05:515:50
2112.05:515:50
2212.05:505:50
2312.05:495:50
2412.05:495:50
2512.05:485:50
2612.05:475:50
2712.15:475:50
2812.15:465:50
2912.15:455:50
3012.15:455:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.66 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 6.66 kWh/m² in September across the year — September's 6.66 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Santa Rita de Cássia

In seasonPeak

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

Santa Rita de Cássia's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Santa Rita de Cássia?

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

3.4
Sightseeing
10th-best month of the year
7.2
Beach & pool
5th-best month of the year

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

What to pack for Santa Rita de Cássia in September

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

In September, Santa Rita de Cássia sees daytime highs around 35°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Santa Rita de Cássia 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 Santa Rita de Cássia peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Santa Rita de Cássia 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 Santa Rita de Cássia is worst in October — around 23 µg/m³ PM2.5 (moderate), about 8.3× the cleanest month (June, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1322 µg/m³Jun 183 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar6Good
Apr5Good
May4Good
Jun3Good
Jul3Good
Aug4Good
Sep18Moderate
Oct23Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Santa Rita de Cássia?

Santa Rita de Cássia sits at 11.0°S, 44.5°W, 441 m above sea level, in Brazil. The nearest listed city is Formosa do Rio Preto, 74 km away.

Topography around Santa Rita de Cássia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rita de Cássia.

Within 3 km, the terrain around Santa Rita de Cássia has only modest variations in elevation — a maximum elevation change of 43 m around an average of 449 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, significant variations in elevation — a maximum elevation change of 478 m.

The land around Santa Rita de Cássia is covered by trees (29%) and shrubs (21%) within 3 km, trees (59%) within 16 km, and trees (52%) and shrubs (34%) within 80 km.

3 km
43 m
16 km
110 m
80 km
478 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Formosa do Rio Preto 74 km · Riachão das Neves 92 km · Corrente 94 km · Buritirama 103 km · Barreiras 137 km · Barra 151 km · São Desidério 159 km · Luis Eduardo Magalhães 183 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 Santa Rita de Cássia (-11.0086°, -44.5194°, elevation 441 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).