Xinguara weather in September

In September, Xinguara sees average daytime highs of 33°C and overnight lows near 23°C, with 29 mm of rain across 4.8 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-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 56% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Xinguara's 4th-clearest and 3rd-windiest month. For the whole year in context, see Xinguara's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
29 mm
4.8 wet days
Daylight
12 hours
6:15 AM – 6:13 PM
Cloud cover
44%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
6.1 kWh/m²
Travel score
4.0
out of 10

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 Xinguara reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93323
103323
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293223
303223

How September really feels in Xinguara

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.

Xinguara weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°28529.112.42.9
Feb29° / 22°25626.212.22.8
Mar30° / 22°25328.8122.9
Apr30° / 22°19524.211.83.2
May31° / 22°10715.611.74.1
Jun32° / 22°132.811.65.1
Jul33° / 21°40.711.64.8
Aug33° / 22°5111.84.2
Sep33° / 23°294.8124.0
Oct32° / 23°9414.712.23.7
Nov30° / 23°16921.712.33.3
Dec30° / 22°20825.412.43.1

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 18% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18218
28218
38020
48020
58020
67921
77921
87921
97822
107723
117624
127624
137525
147525
157426
167327
177327
187129
197030
207030
216931
226931
236832
246832
256733
266733
276535
286535
296436
306337

Chance of precipitation in September

Any precipitation

Xinguara gets around 29 mm of rain over 4.8 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 16% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
17
28
38
49
59
69
710
810
911
1011
1112
1212
1313
1413
1514
1614
1715
1816
1917
2018
2119
2221
2322
2423
2525
2626
2727
2829
2930
3031

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14275118
24265119
34255120
43255121
53245122
63245023
73235024
83225025
93225026
103214927
113204928
122194929
132184930
142184932
152174833
162154835
171144737
181134639
191124542
201104444
21194347
22184250
23174052
24163855
25153757
26043561
27043462
28033265
29023167
30023068

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
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 54 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 12 minutes over September. Sunrise moves from 6:24 AM to 6:07 AM, and sunset from 6:15 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:246:15
211.96:236:15
311.96:236:15
411.96:226:15
511.96:216:15
611.96:216:15
711.96:206:14
811.96:206:14
911.96:196:14
1011.96:196:14
1111.96:186:14
1211.96:186:14
1311.96:176:13
1411.96:166:13
1512.06:166:13
1612.06:156:13
1712.06:156:13
1812.06:146:13
1912.06:146:12
2012.06:136:12
2112.06:126:12
2212.06:126:12
2312.06:116:12
2412.06:116:12
2512.06:106:11
2612.06:106:11
2712.06:096:11
2812.06:096:11
2912.06:086:11
3012.16:076:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.1 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.1 kWh/m² in September across the year — September's 6.1 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Xinguara

In seasonPeak

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

Xinguara's monsoon runs November–April, 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 Xinguara?

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

4.0
Sightseeing
5th-best month of the year
7.1
Beach & pool
4th-best month of the year

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

What to pack for Xinguara in September

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

In September, Xinguara sees daytime highs around 33°C and nights near 23°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Xinguara in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xinguara peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Xinguara 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 Xinguara is worst in September — around 54 µg/m³ PM2.5 (poor), about 9.9× the cleanest month (June, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1650 µg/m³Jun 215 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May8Good
Jun5Good
Jul6Good
Aug25Moderate
Sep54Poor
Oct28Moderate
Nov21Moderate
Dec16Moderate
Location & terrain

Where is Xinguara?

Xinguara sits at 7.1°S, 49.9°W, 252 m above sea level, in Brazil. The nearest listed city is Rio Maria, 26 km away.

Topography around Xinguara

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

Within 3 km, the terrain around Xinguara has only modest variations in elevation — a maximum elevation change of 145 m around an average of 245 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 715 m.

The land around Xinguara is covered by grassland (55%) and artificial surfaces (25%) within 3 km, grassland (84%) within 16 km, and grassland (71%) and trees (28%) within 80 km.

3 km
145 m
16 km
306 m
80 km
715 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Rio Maria 26 km · Floresta do Araguaia 57 km · Canaã dos Carajás 65 km · Água Azul do Norte 67 km · Redenção 104 km · Parauapebas 115 km · Curionópolis 117 km · Eldorado dos Carajás 128 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 Xinguara (-7.0983°, -49.9435°, elevation 252 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).