Coxim weather in September

In September, Coxim sees average daytime highs of 33°C and overnight lows near 21°C, with 62 mm of rain across 7.5 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 33°C through the month. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Coxim's 4th-clearest and 2nd-windiest month. For the whole year in context, see Coxim's year-round climate.

Daytime high
33°
1st warmest
Overnight low
21°
5th coldest
Rainfall
62 mm
7.5 wet days
Daylight
11 h 54 min
6:36 AM – 6:30 PM
Cloud cover
43%
4th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.66 kWh/m²
Travel score
3.6
out of 10

Coxim 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 33°C through the month.

A typical September day in Coxim reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
13320
23320
33320
43321
53321
63421
73421
83421
93421
103421
113421
123421
133421
143421
153422
163422
173422
183422
193422
203422
213422
223322
233322
243322
253322
263322
273322
283322
293322
303322

How September really feels in Coxim

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.

Coxim 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° / 23°27725.2132.9
Feb31° / 23°21323.212.62.8
Mar31° / 23°17422.412.13.1
Apr31° / 22°751111.64.3
May30° / 19°505.711.15.9
Jun29° / 18°252.710.96.5
Jul30° / 17°141.6116.4
Aug32° / 19°172.611.44.8
Sep33° / 21°627.511.93.6
Oct33° / 23°12316.712.43.0
Nov32° / 23°17220.612.93.0
Dec31° / 23°22524.413.12.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47822
57822
67723
77723
87723
97525
107525
117525
127426
137327
147228
157228
167129
177228
187129
197030
206931
216832
226832
236634
246535
256436
266337
276139
286040
295941
305842

Chance of precipitation in September

Any precipitation

Coxim gets around 62 mm of rain over 7.5 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 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
116
216
317
418
518
619
719
819
919
1020
1120
1220
1321
1421
1522
1623
1723
1824
1925
2027
2128
2229
2331
2433
2535
2636
2738
2839
2941
3042

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1333023141
2322923151
3322823161
4312723171
5302724181
6302624192
7292524202
8282425212
9272425223
10252325233
11242325253
12222326264
13212226274
14192226284
15182226305
16172126315
17162126326
18152026336
19142026347
20131925357
21121925378
22111824389
231018233910
241017224111
25916214212
26815214313
27814204315
28814194416
29713184418
30713184419

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
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 30 minutes over September. Sunrise moves from 6:50 AM to 6:24 AM, and sunset from 6:28 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:506:28
211.66:496:28
311.76:486:28
411.76:476:28
511.76:466:28
611.76:456:29
711.76:456:29
811.86:446:29
911.86:436:29
1011.86:426:29
1111.86:416:29
1211.86:406:30
1311.86:396:30
1411.96:386:30
1511.96:376:30
1611.96:366:30
1711.96:366:30
1811.96:356:31
1912.06:346:31
2012.06:336:31
2112.06:326:31
2212.06:316:31
2312.06:306:31
2412.06:296:32
2512.16:286:32
2612.16:276:32
2712.16:276:32
2812.16:266:32
2912.16:256:33
3012.16:246:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.66 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6 kWh/m² in October across the year — September's 5.66 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Coxim

In seasonPeak

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

Coxim'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 Coxim?

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

3.6
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 Coxim. The water and warmth also suit a beach or pool day.

What to pack for Coxim in September

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

In September, Coxim sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Coxim in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Coxim peaks around January 19 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 highVery highExtremeJan 19UV 15Sep 14UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug8Very high
Sep6High
Oct10Very high
Nov13Extreme
Dec14Extreme

Air quality in Coxim 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 Coxim is worst in September — around 21 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1920 µg/m³Jul 125 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr6Good
May7Good
Jun6Good
Jul4Good
Aug9Good
Sep21Moderate
Oct16Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Coxim?

Coxim sits at 18.5°S, 54.8°W, 205 m above sea level, in Brazil. The nearest listed city is Rio Verde de Mato Grosso, 47 km away.

Topography around Coxim

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

Within 3 km, the terrain around Coxim has only modest variations in elevation — a maximum elevation change of 174 m around an average of 228 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, significant variations in elevation — a maximum elevation change of 581 m.

The land around Coxim is covered by trees (45%), grassland (27%) and artificial surfaces (20%) within 3 km, grassland (46%) and trees (43%) within 16 km, and grassland (50%) and trees (36%) within 80 km.

3 km
174 m
16 km
342 m
80 km
581 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Rio Verde de Mato Grosso 47 km · São Gabriel do Oeste 101 km · Costa Rica 172 km · Alto Araguaia 210 km · Pedra Preta 212 km · Terenos 215 km · Campo Grande 216 km · Campo Verde 224 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 Coxim (-18.5067°, -54.76°, elevation 205 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).