Várzea Grande weather in September

In September, Várzea Grande sees average daytime highs of 34°C and overnight lows near 23°C, with 43 mm of rain across 5.9 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 56% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Várzea Grande's 4th-clearest and 2nd-windiest month. For the whole year in context, see Várzea Grande's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
5th coldest
Rainfall
43 mm
5.9 wet days
Daylight
11 h 54 min
6:41 AM – 6:36 PM
Cloud cover
41%
4th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.82 kWh/m²
Travel score
3.4
out of 10

Várzea Grande 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 34°C through the month.

A typical September day in Várzea Grande reaches about 34°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 38°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13421
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123422
133423
143423
153423
163423
173423
183423
193423
203423
213423
223423
233423
243423
253423
263423
273423
283424
293424
303424

How September really feels in Várzea Grande

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Várzea Grande weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°25024.612.82.8
Feb31° / 24°22623.412.52.7
Mar32° / 24°20324.512.12.8
Apr32° / 23°9114.111.73.8
May30° / 21°335.311.35.4
Jun30° / 20°91.511.16.1
Jul31° / 18°50.711.26.1
Aug33° / 20°91.511.54.6
Sep34° / 23°435.911.93.4
Oct34° / 24°11815.212.42.8
Nov32° / 24°16519.212.72.8
Dec32° / 24°21724.212.92.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28119
38020
47921
57822
67723
77723
87624
97525
107426
117426
127228
137228
147228
157129
167030
176931
186931
196832
206733
216733
226535
236436
246337
256139
266139
275941
285842
295743
305644

Chance of precipitation in September

Any precipitation

Várzea Grande gets around 43 mm of rain over 5.9 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 21% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
110
210
311
412
512
613
713
814
914
1015
1116
1217
1318
1419
1520
1620
1721
1822
1923
2024
2125
2225
2326
2427
2528
2630
2731
2832
2933
3034

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1816343290
28163333100
38163233110
48163134110
57163034120
67163034130
77162934140
87152835150
96152735160
106142636170
116142536181
126132437201
135132337211
145122238221
155112138241
165102138251
17492038271
18481938291
19481938301
20471838321
21471738341
22361637361
23351537391
24351536411
25351435430
26241335460
27241234480
28231233500
29231132520
30231131530

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 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
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:53 AM to 6:30 AM, and sunset from 6:35 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:536:35
211.76:536:35
311.76:526:35
411.76:516:35
511.76:506:35
611.86:506:35
711.86:496:36
811.86:486:36
911.86:476:36
1011.86:466:36
1111.86:466:36
1211.96:456:36
1311.96:446:36
1411.96:436:36
1511.96:426:36
1611.96:416:36
1711.96:416:36
1811.96:406:36
1912.06:396:36
2012.06:386:37
2112.06:376:37
2212.06:376:37
2312.06:366:37
2412.06:356:37
2512.06:346:37
2612.16:336:37
2712.16:326:37
2812.16:326:37
2912.16:316:37
3012.16:306:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.82 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.06 kWh/m² in October across the year — September's 5.82 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Várzea Grande

In seasonPeak

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

Várzea Grande's monsoon runs October–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 Várzea Grande?

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

3.4
Sightseeing
6th-best month of the year
6.7
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Várzea Grande. The water and warmth also suit a beach or pool day.

What to pack for Várzea Grande in September

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

In September, Várzea Grande sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Várzea Grande in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Várzea Grande peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Sep 14UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep7High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Várzea Grande 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 Várzea Grande is worst in September — around 70 µg/m³ PM2.5 (unhealthy), about 6.6× the cleanest month (January, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 1566 µg/m³Apr 1611 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar11Good
Apr11Good
May11Good
Jun11Good
Jul14Moderate
Aug39Poor
Sep70Unhealthy
Oct23Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Várzea Grande?

Várzea Grande sits at 15.6°S, 56.1°W, 197 m above sea level, in Brazil. The nearest listed city is Cuiabá, 7.0 km away.

Topography around Várzea Grande

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

Within 3 km, the terrain around Várzea Grande has only modest variations in elevation — a maximum elevation change of 70 m around an average of 177 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 325 m; within 80 km, large variations in elevation — a maximum elevation change of 795 m.

The land around Várzea Grande is covered by artificial surfaces (58%) and trees (28%) within 3 km, trees (37%), grassland (35%) and artificial surfaces (20%) within 16 km, and trees (44%) and grassland (39%) within 80 km.

3 km
70 m
16 km
325 m
80 km
795 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Cuiabá 7.0 km · Santo Antônio do Leverger 25 km · Chapada dos Guimarães 46 km · Lucas 79 km · Poconé 86 km · Rosário Oeste 96 km · Campo Verde 104 km · Nobres 105 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 Várzea Grande (-15.6467°, -56.1325°, elevation 197 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).