São Gonçalo do Sapucaí weather in September

In September, São Gonçalo do Sapucaí sees average daytime highs of 26°C and overnight lows near 15°C, with 81 mm of rain across 8.1 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 42% 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 São Gonçalo do Sapucaí's 4th-clearest and 1st-windiest month. For the whole year in context, see São Gonçalo do Sapucaí's year-round climate.

Daytime high
26°
7th warmest
Overnight low
15°
5th coldest
Rainfall
81 mm
8.1 wet days
Daylight
11 h 54 min
7:00 AM – 6:53 PM
Cloud cover
51%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
5.25 kWh/m²
Travel score
7.0
out of 10

São Gonçalo do Sapucaí 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 26°C through the month.

A typical September day in São Gonçalo do Sapucaí reaches about 26°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 30°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)
12613
22614
32614
42614
52614
62614
72614
82614
92614
102614
112614
122615
132615
142615
152615
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262615
272615
282616
292616
302616

São Gonçalo do Sapucaí weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°27523.613.24.3
Feb28° / 19°17518.712.84.7
Mar27° / 18°16818.612.25.2
Apr26° / 16°659.411.56.8
May24° / 13°506.1117.6
Jun23° / 12°263.610.78.1
Jul23° / 11°223.110.88.3
Aug25° / 12°283.811.28.3
Sep26° / 15°818.111.97.0
Oct27° / 17°12213.712.55.9
Nov27° / 18°19319.3135.0
Dec27° / 19°23722.813.34.5

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 15% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27030
36931
46832
56733
66733
76535
86436
96337
106238
116040
126040
135941
145842
155743
165644
175545
185446
195347
205248
215149
225050
235050
244852
254753
264753
274654
284555
294555
304555

Chance of precipitation in September

Any precipitation

São Gonçalo do Sapucaí gets around 81 mm of rain over 8.1 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 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
118
218
319
419
519
620
720
821
921
1022
1123
1224
1325
1426
1526
1627
1728
1829
1930
2031
2132
2233
2334
2435
2536
2636
2737
2837
2938
3038

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1643060
2633160
3613270
4603370
5583480
6583480
7563590
85436100
95336110
105137120
115037130
124937140
134738150
144638160
154538170
164338180
174238190
184138200
194038221
203937231
213737251
223636271
233536281
243435301
253235311
263135332
273034342
282834352
292734372
302634382

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 7:15 AM to 6:46 AM, and sunset from 6:49 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:156:49
211.67:146:49
311.67:136:49
411.67:126:50
511.67:116:50
611.77:116:50
711.77:106:51
811.77:096:51
911.77:086:51
1011.77:076:51
1111.87:066:52
1211.87:046:52
1311.87:036:52
1411.87:026:52
1511.97:016:53
1611.97:006:53
1711.96:596:53
1811.96:586:54
1911.96:576:54
2012.06:566:54
2112.06:556:54
2212.06:546:55
2312.06:536:55
2412.06:526:55
2512.16:516:56
2612.16:506:56
2712.16:496:56
2812.16:486:56
2912.26:476:57
3012.26:466:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.25 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.53 kWh/m² in February across the year — September's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for São Gonçalo do Sapucaí

In seasonPeak

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

São Gonçalo do Sapucaí'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 São Gonçalo do Sapucaí?

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
6.8
Beach & pool
2nd-best month of the year

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

What to pack for São Gonçalo do Sapucaí in September

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

In September, São Gonçalo do Sapucaí sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in São Gonçalo do Sapucaí 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 São Gonçalo do Sapucaí peaks around February 8 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 highExtremeFeb 8UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec15Extreme

Air quality in São Gonçalo do Sapucaí 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 São Gonçalo do Sapucaí is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May10Good
Jun10Good
Jul10Good
Aug12Moderate
Sep17Moderate
Oct12Good
Nov8Good
Dec8Good
Location & terrain

Where is São Gonçalo do Sapucaí?

São Gonçalo do Sapucaí sits at 21.9°S, 45.6°W, 866 m above sea level, in Brazil. The nearest listed city is Campanha, 21 km away.

Topography around São Gonçalo do Sapucaí

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Gonçalo do Sapucaí.

Within 3 km, the terrain around São Gonçalo do Sapucaí has significant variations in elevation — a maximum elevation change of 376 m around an average of 893 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 654 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,249 m.

The land around São Gonçalo do Sapucaí is covered by grassland (41%) and trees (31%) within 3 km, grassland (40%), trees (36%) and cropland (22%) within 16 km, and grassland (43%) and trees (39%) within 80 km.

3 km
376 m
16 km
654 m
80 km
1,249 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Campanha 21 km · Lambari 27 km · Elói Mendes 32 km · Poço Fundo 40 km · Paraguaçu 41 km · Machado 41 km · Três Corações 41 km · Santa Rita do Sapucaí 42 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 São Gonçalo do Sapucaí (-21.8922°, -45.5953°, elevation 866 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).