Vargem Grande do Sul weather in September

In September, Vargem Grande do Sul sees average daytime highs of 29°C and overnight lows near 17°C, with 64 mm of rain across 7.4 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 53% 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 Vargem Grande do Sul's 4th-clearest and 1st-windiest month. For the whole year in context, see Vargem Grande do Sul's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
17°
5th coldest
Rainfall
64 mm
7.4 wet days
Daylight
11 h 54 min
7:06 AM – 6:58 PM
Cloud cover
44%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
5.62 kWh/m²
Travel score
6.1
out of 10

Vargem Grande do Sul 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 29°C through the month.

A typical September day in Vargem Grande do Sul reaches about 29°C in the afternoon and slips back to 17°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 33°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)
12916
22916
32916
42916
52916
62916
72916
82916
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282918
292918
302918

Vargem Grande do Sul weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23522.313.23.9
Feb29° / 20°16418.612.84.1
Mar29° / 19°14117.712.24.7
Apr28° / 18°588.511.56.5
May25° / 15°466117.6
Jun25° / 14°263.410.78.3
Jul25° / 13°222.610.88.4
Aug27° / 15°193.211.37.9
Sep29° / 17°647.411.96.1
Oct29° / 19°9813.312.54.9
Nov29° / 19°15417.1134.6
Dec29° / 20°19921.713.34.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% 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 (%)
17921
27822
37822
47723
57624
67624
77525
87426
97327
107228
117129
127129
136931
146832
156733
166634
176535
186436
196436
206337
216139
226040
236040
245941
255842
265644
275644
285644
295545
305446

Chance of precipitation in September

Any precipitation

Vargem Grande do Sul gets around 64 mm of rain over 7.4 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 25% 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 (%)
117
217
318
418
519
619
720
820
920
1021
1121
1222
1322
1423
1523
1624
1725
1825
1926
2027
2128
2229
2330
2431
2531
2632
2733
2834
2934
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 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16624100
26425110
36325120
46226120
56126130
65927140
75828140
85529151
95429161
105330161
115131171
125031181
134832181
144733192
154533202
164434202
174334212
184134222
194034233
203934243
213834253
223633274
233533284
243432295
253232315
263131326
273031337
282930347
292829358
302729368

Wind in September

Winds average 9 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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 7:21 AM to 6:52 AM, and sunset from 6:54 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:216:54
211.67:206:54
311.67:196:55
411.67:186:55
511.67:176:55
611.77:166:55
711.77:156:56
811.77:146:56
911.77:136:56
1011.77:126:57
1111.87:116:57
1211.87:106:57
1311.87:096:57
1411.87:086:58
1511.97:076:58
1611.97:066:58
1711.97:056:58
1811.97:046:59
1911.97:036:59
2012.07:026:59
2112.07:017:00
2212.07:007:00
2312.06:597:00
2412.06:587:00
2512.16:567:01
2612.16:567:01
2712.16:557:01
2812.16:547:02
2912.26:537:02
3012.26:527:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.62 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 5.96 kWh/m² in October across the year — September's 5.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
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
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
Planning a trip in September

Hazard calendar for Vargem Grande do Sul

In seasonPeak

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

Vargem Grande do Sul'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 Vargem Grande do Sul?

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

6.1
Sightseeing
6th-best month of the year
7.7
Beach & pool
3rd-best month of the year

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

What to pack for Vargem Grande do Sul in September

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

In September, Vargem Grande do Sul sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Vargem Grande do Sul 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 Vargem Grande do Sul peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Vargem Grande do Sul 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 Vargem Grande do Sul is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Vargem Grande do Sul?

Vargem Grande do Sul sits at 21.8°S, 46.9°W, 725 m above sea level, in Brazil. The nearest listed city is São João da Boa Vista, 18 km away.

Topography around Vargem Grande do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vargem Grande do Sul.

Within 3 km, the terrain around Vargem Grande do Sul has only modest variations in elevation — a maximum elevation change of 178 m around an average of 732 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 950 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,271 m.

The land around Vargem Grande do Sul is covered by grassland (32%), artificial surfaces (25%) and cropland (24%) within 3 km, cropland (35%), grassland (33%) and trees (29%) within 16 km, and trees (38%), cropland (31%) and grassland (29%) within 80 km.

3 km
178 m
16 km
950 m
80 km
1,271 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: São João da Boa Vista 18 km · Casa Branca 21 km · São José do Rio Pardo 26 km · Aguaí 27 km · Poços de Caldas 35 km · Santa Cruz das Palmeiras 37 km · Tambaú 42 km · Mococa 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 Vargem Grande do Sul (-21.8322°, -46.8936°, elevation 725 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).