Matão weather in September

In September, Matão sees average daytime highs of 30°C and overnight lows near 18°C, with 71 mm of rain across 7.7 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Matão's 4th-clearest and 1st-windiest month. For the whole year in context, see Matão's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
5th coldest
Rainfall
71 mm
7.7 wet days
Daylight
11 h 54 min
7:11 AM – 7:04 PM
Cloud cover
42%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.64 kWh/m²
Travel score
5.6
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Matão reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13017
23017
33017
43017
53017
63017
73017
83017
93018
103018
113018
123018
133018
143018
153018
163018
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303019

Matão weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°28823.313.23.6
Feb30° / 21°20019.612.73.8
Mar29° / 20°17919.212.24.3
Apr29° / 19°718.911.56.0
May26° / 16°525.7117.5
Jun26° / 15°313.210.78.1
Jul26° / 15°232.910.88.2
Aug28° / 16°243.211.37.4
Sep30° / 18°717.711.95.6
Oct30° / 19°12613.312.54.5
Nov30° / 20°18417.2134.3
Dec29° / 21°23721.913.33.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27723
37723
47723
57624
67525
77426
87327
97327
107228
117129
126931
136931
146832
156733
166634
176634
186535
196436
206337
216238
226139
236040
245941
255842
265743
275644
285644
295545
305545

Chance of precipitation in September

Any precipitation

Matão gets around 71 mm of rain over 7.7 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 26% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
115
216
316
417
517
618
718
819
920
1021
1121
1222
1323
1424
1525
1626
1727
1828
1929
2030
2131
2232
2333
2434
2535
2635
2736
2836
2937
3037

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16125131
25925142
35825152
45626162
55526172
65526172
75227183
85127193
94928203
104728213
114629224
124429234
134230234
144131245
153931255
163832256
173632266
183533267
193333277
203233278
213033289
2229332810
2328322811
2427322913
2525312914
2624312916
2724302917
2823293018
2922283020
3021283021

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
110calm
210calm
310calm
410calm
510calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 7:26 AM to 6:58 AM, and sunset from 7:00 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:267:00
211.67:257:00
311.67:247:01
411.67:237:01
511.67:227:01
611.77:217:01
711.77:207:02
811.77:197:02
911.77:187:02
1011.87:177:03
1111.87:167:03
1211.87:157:03
1311.87:147:03
1411.87:137:04
1511.97:127:04
1611.97:117:04
1711.97:107:04
1811.97:097:05
1911.97:087:05
2012.07:077:05
2112.07:067:05
2212.07:057:06
2312.07:047:06
2412.07:037:06
2512.17:027:07
2612.17:017:07
2712.17:007:07
2812.16:597:07
2912.26:587:08
3012.26:587:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.64 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 5.98 kWh/m² in October across the year — September's 5.64 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Matão

In seasonPeak

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

Matão'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 Matão?

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

5.6
Sightseeing
6th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Matão in September

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

In September, Matão sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Matão in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matão peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Matão 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 Matão is worst in September — around 37 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1037 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar13Moderate
Apr14Moderate
May16Moderate
Jun17Moderate
Jul18Moderate
Aug35Poor
Sep37Poor
Oct18Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Matão?

Matão sits at 21.6°S, 48.4°W, 574 m above sea level, in Brazil. The nearest listed city is Taquaritinga, 26 km away.

Topography around Matão

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

Within 3 km, the terrain around Matão has only modest variations in elevation — a maximum elevation change of 99 m around an average of 583 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 206 m; within 80 km, significant variations in elevation — a maximum elevation change of 595 m.

The land around Matão is covered by artificial surfaces (45%) and trees (24%) within 3 km, cropland (64%) and trees (24%) within 16 km, and cropland (66%) and trees (21%) within 80 km.

3 km
99 m
16 km
206 m
80 km
595 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Taquaritinga 26 km · Araraquara 29 km · Américo Brasiliense 30 km · Guariba 31 km · Jaboticabal 39 km · Monte Alto 40 km · Pradópolis 41 km · Itápolis 46 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 Matão (-21.6033°, -48.3658°, elevation 574 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).