Cesário Lange weather in September

In September, Cesário Lange sees average daytime highs of 27°C and overnight lows near 15°C, with 80 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 42% 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 Cesário Lange's 4th-clearest and 1st-windiest month. For the whole year in context, see Cesário Lange's year-round climate.

Daytime high
27°
8th warmest
Overnight low
15°
5th coldest
Rainfall
80 mm
8.4 wet days
Daylight
11 h 54 min
7:10 AM – 7:02 PM
Cloud cover
52%
4th clearest
Wind
12 km/h
1st windiest
Solar energy
5.13 kWh/m²
Travel score
6.8
out of 10

Cesário Lange 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 27°C through the month.

A typical September day in Cesário Lange reaches about 27°C in the afternoon and slips back to 15°C overnight — a 12°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)
12714
22714
32714
42715
52715
62715
72715
82715
92715
102715
112715
122715
132715
142715
152715
162715
172715
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302716

Cesário Lange 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°26522.413.33.8
Feb29° / 20°18519.312.83.9
Mar29° / 19°13717.412.24.7
Apr28° / 17°60811.56.7
May25° / 15°606.410.97.5
Jun24° / 13°485.210.67.9
Jul24° / 12°434.410.78.2
Aug26° / 13°404.411.27.9
Sep27° / 15°808.411.96.8
Oct28° / 17°11412.312.55.6
Nov28° / 18°14414.513.15.1
Dec29° / 19°19319.613.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26733
36634
46535
56436
66238
76139
85941
95842
105842
115743
125644
135644
145545
155545
165446
175446
185347
195248
205248
215149
225050
235050
244951
254753
264753
274654
284456
294456
304357

Chance of precipitation in September

Any precipitation

Cesário Lange gets around 80 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 (%)
119
219
320
421
521
622
723
823
924
1024
1125
1225
1325
1426
1526
1627
1728
1828
1929
2030
2131
2232
2332
2433
2534
2634
2735
2835
2936
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 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14540141
24440151
34440161
44339171
54239181
64139191
74039201
83939211
93839211
103740221
113640231
123440242
133341252
143241252
153141262
163041272
172941272
182841283
192741283
202641294
212541295
222441296
232441297
242340308
252240309
2621393010
2720383110
2820373111
2919373212
3019363313

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
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 7:26 AM to 6:55 AM, and sunset from 6:57 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:266:57
211.57:256:58
311.67:246:58
411.67:236:58
511.67:226:59
611.67:216:59
711.77:206:59
811.77:197:00
911.77:187:00
1011.77:167:00
1111.87:157:01
1211.87:147:01
1311.87:137:01
1411.87:127:02
1511.87:117:02
1611.97:107:02
1711.97:097:02
1811.97:087:03
1911.97:077:03
2012.07:067:03
2112.07:057:04
2212.07:047:04
2312.07:037:04
2412.17:027:05
2512.17:017:05
2612.17:007:05
2712.16:597:06
2812.16:577:06
2912.26:567:06
3012.26:557:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5.94 kWh/m² in December across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Cesário Lange

In seasonPeak

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

Cesário Lange'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 Cesário Lange?

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

6.8
Sightseeing
5th-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Cesário Lange in September

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

In September, Cesário Lange sees daytime highs around 27°C and nights near 15°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Cesário Lange 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 Cesário Lange 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 Cesário Lange 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 Cesário Lange is worst in September — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodSep 922 µg/m³Nov 2312 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr14Moderate
May17Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Cesário Lange?

Cesário Lange sits at 23.2°S, 48.0°W, 597 m above sea level, in Brazil. The nearest listed city is Tatuí, 17 km away.

Topography around Cesário Lange

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

Within 3 km, the terrain around Cesário Lange has only modest variations in elevation — a maximum elevation change of 127 m around an average of 604 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, large variations in elevation — a maximum elevation change of 651 m.

The land around Cesário Lange is covered by cropland (48%) and grassland (23%) within 3 km, cropland (46%) and grassland (32%) within 16 km, and trees (38%), cropland (31%) and grassland (26%) within 80 km.

3 km
127 m
16 km
205 m
80 km
651 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tatuí 17 km · Cerquilho 22 km · Laranjal Paulista 23 km · Conchas 24 km · Tietê 28 km · Guareí 29 km · Boituva 29 km · Iperó 30 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 Cesário Lange (-23.2267°, -47.9531°, elevation 597 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).