Cerqueira César weather in September

In September, Cerqueira César sees average daytime highs of 27°C and overnight lows near 16°C, with 82 mm of rain across 8.4 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Cerqueira César's 4th-clearest and 1st-windiest month. For the whole year in context, see Cerqueira César's year-round climate.

Daytime high
27°
8th warmest
Overnight low
16°
5th coldest
Rainfall
82 mm
8.4 wet days
Daylight
11 h 54 min
7:15 AM – 7:07 PM
Cloud cover
48%
4th clearest
Wind
12 km/h
1st windiest
Solar energy
5.27 kWh/m²
Travel score
6.9
out of 10

Cerqueira César is 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 27°C through the month.

A typical September day in Cerqueira César reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12715
22715
32715
42715
52715
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302717

Cerqueira César weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°24522.413.33.9
Feb29° / 20°18919.112.84.1
Mar29° / 20°13316.812.24.9
Apr27° / 18°678.211.56.8
May24° / 15°657.110.97.5
Jun24° / 14°535.710.67.9
Jul24° / 13°434.610.78.2
Aug26° / 14°424.311.28.0
Sep27° / 16°828.411.96.9
Oct28° / 17°12312.412.55.7
Nov28° / 18°15014.413.15.2
Dec29° / 20°18619.513.44.3

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 12% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37228
47129
57030
66832
76733
86634
96634
106436
116337
126337
136238
146040
156040
166040
175842
185842
195743
205644
215545
225446
235347
245248
255149
265050
274951
284852
294852
304753

Chance of precipitation in September

Any precipitation

Cerqueira César gets around 82 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 27% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
118
219
320
420
521
622
723
823
924
1024
1125
1225
1326
1426
1527
1627
1727
1828
1929
2029
2130
2231
2332
2433
2534
2634
2735
2835
2935
3036

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15035141
24935151
34835161
44735171
54635171
64535181
74435192
84336202
94236202
104037212
113938212
123739223
133639223
143440233
153341233
163241243
173141244
183042244
192942255
202841255
212741266
222641267
232540278
242539279
2524392810
2623382811
2722372812
2822362914
2921352915
3020353016

Wind in September

Winds average 12 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:30 AM to 7:00 AM, and sunset from 7:02 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:307:02
211.67:297:03
311.67:287:03
411.67:277:03
511.67:267:04
611.67:257:04
711.77:247:04
811.77:237:05
911.77:227:05
1011.77:217:05
1111.87:207:05
1211.87:197:06
1311.87:187:06
1411.87:177:06
1511.87:167:07
1611.97:157:07
1711.97:147:07
1811.97:137:08
1911.97:127:08
2012.07:117:08
2112.07:107:09
2212.07:097:09
2312.07:087:09
2412.17:077:10
2512.17:057:10
2612.17:047:10
2712.17:037:11
2812.17:027:11
2912.27:017:11
3012.27:007:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 5.92 kWh/m² in November across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Cerqueira César

In seasonPeak

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

Cerqueira César's rainy season runs October–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 Cerqueira César?

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

6.9
Sightseeing
5th-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Cerqueira César in September

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

In September, Cerqueira César sees daytime highs around 27°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Cerqueira César in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cerqueira César peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Cerqueira César 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 Cerqueira César is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (March, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1216 µg/m³Mar 187 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr7Good
May8Good
Jun9Good
Jul9Good
Aug15Moderate
Sep16Moderate
Oct11Good
Nov7Good
Dec7Good
Location & terrain

Where is Cerqueira César?

Cerqueira César sits at 23.0°S, 49.2°W, 740 m above sea level, in Brazil. The nearest listed city is Avaré, 26 km away.

Topography around Cerqueira César

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

Within 3 km, the terrain around Cerqueira César has only modest variations in elevation — a maximum elevation change of 118 m around an average of 727 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 283 m; within 80 km, large variations in elevation — a maximum elevation change of 614 m.

The land around Cerqueira César is covered by cropland (32%), grassland (28%) and trees (26%) within 3 km, cropland (57%) and trees (28%) within 16 km, and cropland (42%) and trees (35%) within 80 km.

3 km
118 m
16 km
283 m
80 km
614 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Avaré 26 km · Piraju 28 km · Itaí 43 km · Santa Cruz do Rio Pardo 50 km · Fartura 53 km · Taquarituba 56 km · Itatinga 57 km · Paranapanema 60 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 Cerqueira César (-23.0356°, -49.1661°, elevation 740 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).