Santo Antônio do Amparo weather in September

In September, Santo Antônio do Amparo sees average daytime highs of 27°C and overnight lows near 15°C, with 62 mm of rain across 7.3 wet days and about 11.9 hours of daylight. It is the 5th-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 44% 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 Santo Antônio do Amparo's 4th-clearest and 1st-windiest month. For the whole year in context, see Santo Antônio do Amparo's year-round climate.

Daytime high
27°
5th warmest
Overnight low
15°
5th coldest
Rainfall
62 mm
7.3 wet days
Daylight
11 h 54 min
6:58 AM – 6:50 PM
Cloud cover
49%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
5.49 kWh/m²
Travel score
7.0
out of 10

Santo Antônio do Amparo 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 Santo Antônio do Amparo 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 22°C and 31°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)
12714
22714
32714
42714
52714
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

Santo Antônio do Amparo weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°25221.213.14.6
Feb28° / 19°15116.512.74.9
Mar27° / 18°16717.412.15.3
Apr26° / 17°628.811.56.8
May24° / 14°395.7117.7
Jun24° / 13°182.610.88.4
Jul24° / 12°122.110.98.6
Aug26° / 13°172.711.38.3
Sep27° / 15°627.311.97.0
Oct28° / 17°10312.612.55.9
Nov27° / 18°19019.7134.8
Dec27° / 19°25223.213.24.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
17426
27426
37228
47228
57129
66931
76931
86733
96634
106535
116337
126238
136139
146040
155941
165842
175743
185743
195545
205446
215347
225347
235248
245149
255149
265050
274951
284951
294852
304753

Chance of precipitation in September

Any precipitation

Santo Antônio do Amparo gets around 62 mm of rain over 7.3 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 24% 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 (%)
113
214
314
415
515
616
716
817
918
1019
1120
1221
1322
1423
1524
1625
1726
1827
1928
2029
2130
2231
2332
2433
2533
2634
2734
2834
2935
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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1642970
2642970
3623080
4623080
5613090
6603190
75931100
85732110
95632120
105433130
115233150
125034160
134934170
144735180
154635190
164436201
174336211
184136221
194037231
203837241
213736252
223636262
233536272
243435283
253335293
263234313
273034324
282934334
292833344
302733364

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 7:12 AM to 6:44 AM, and sunset from 6:47 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:126:47
211.67:116:47
311.67:106:47
411.67:096:48
511.77:086:48
611.77:076:48
711.77:066:48
811.77:056:49
911.77:046:49
1011.87:036:49
1111.87:026:49
1211.87:016:49
1311.87:016:50
1411.87:006:50
1511.96:596:50
1611.96:586:50
1711.96:576:51
1811.96:566:51
1911.96:556:51
2012.06:546:51
2112.06:536:52
2212.06:526:52
2312.06:516:52
2412.06:506:52
2512.16:496:53
2612.16:486:53
2712.16:476:53
2812.16:466:54
2912.16:456:54
3012.26:446:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.49 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.78 kWh/m² in February across the year — September's 5.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Santo Antônio do Amparo

In seasonPeak

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

Santo Antônio do Amparo'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 Santo Antônio do Amparo?

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

7.0
Sightseeing
5th-best month of the year
7.2
Beach & pool
3rd-best month of the year

September is one of the better times to visit Santo Antônio do Amparo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santo Antônio do Amparo in September

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

In September, Santo Antônio do Amparo sees daytime highs around 27°C and nights near 15°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Santo Antônio do Amparo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Antônio do Amparo peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santo Antônio do Amparo 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 Santo Antônio do Amparo is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1615 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr8Good
May9Good
Jun9Good
Jul8Good
Aug10Good
Sep16Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Santo Antônio do Amparo?

Santo Antônio do Amparo sits at 20.9°S, 44.9°W, 1,013 m above sea level, in Brazil. The nearest listed city is Bom Sucesso, 19 km away.

Topography around Santo Antônio do Amparo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio do Amparo.

Within 3 km, the terrain around Santo Antônio do Amparo has only modest variations in elevation — a maximum elevation change of 225 m around an average of 957 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 386 m; within 80 km, large variations in elevation — a maximum elevation change of 858 m.

The land around Santo Antônio do Amparo is covered by grassland (48%) and trees (38%) within 3 km, trees (51%) and grassland (41%) within 16 km, and grassland (50%) and trees (38%) within 80 km.

3 km
225 m
16 km
386 m
80 km
858 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Bom Sucesso 19 km · Perdões 24 km · Oliveira 29 km · Lavras 34 km · Campo Belo 38 km · Nepomuceno 46 km · Carmópolis de Minas 54 km · Itapecerica 57 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 Santo Antônio do Amparo (-20.9464°, -44.9189°, elevation 1,013 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).