Xapuri weather in September

In September, Xapuri sees average daytime highs of 33°C and overnight lows near 22°C, with 88 mm of rain across 13.6 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 31% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Xapuri's 4th-clearest and 3rd-windiest month. For the whole year in context, see Xapuri's year-round climate.

Daytime high
33°
1st warmest
Overnight low
22°
5th coldest
Rainfall
88 mm
13.6 wet days
Daylight
11 h 54 min
5:30 AM – 5:27 PM
Cloud cover
58%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.55 kWh/m²
Travel score
3.3
out of 10

Xapuri 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 Xapuri reaches about 33°C in the afternoon and slips back to 22°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 36°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13321
23321
33321
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293322
303322

How September really feels in Xapuri

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.

Xapuri 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
Jan30° / 23°26926.912.62.9
Feb30° / 23°26425.112.42.9
Mar30° / 22°25927.112.12.9
Apr30° / 22°15821.111.83.5
May29° / 21°7714.311.54.7
Jun30° / 20°366.711.45.6
Jul31° / 19°245.511.45.5
Aug32° / 20°406.311.64.3
Sep33° / 22°8813.611.93.3
Oct32° / 22°1612112.22.9
Nov31° / 22°21122.912.53.0
Dec30° / 23°26026.312.62.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26733
36733
46535
56436
66436
76337
86238
96139
106040
116040
125941
135842
145644
155545
165446
175347
185248
195149
204951
214951
224654
234654
244555
254456
264258
274258
284159
294060
303961

Chance of precipitation in September

Any precipitation

Xapuri gets around 88 mm of rain over 13.6 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 44% and peaks near 56% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
232
333
434
535
636
738
838
939
1040
1141
1242
1342
1443
1544
1645
1746
1847
1948
2049
2150
2250
2351
2452
2553
2654
2754
2855
2955
3056

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
136923590
236923590
336922600
435921620
535821630
635821630
725820641
824820651
924820651
1024719671
1123719681
1223718691
1323718691
1423717701
1523617711
1622616731
1722616722
1822615732
1922615732
2022515742
2122514752
2222514752
2312514762
2411514763
2511413783
2611413783
2711413783
2811412793
2911412784
3011312794

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 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 48 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 18 minutes over September. Sunrise moves from 5:40 AM to 5:21 AM, and sunset from 5:28 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:405:28
211.85:395:27
311.85:395:27
411.85:385:27
511.85:375:27
611.85:375:27
711.95:365:27
811.95:355:27
911.95:355:27
1011.95:345:27
1111.95:335:27
1211.95:335:27
1311.95:325:27
1411.95:315:27
1511.95:315:27
1611.95:305:27
1712.05:295:27
1812.05:295:26
1912.05:285:26
2012.05:275:26
2112.05:275:26
2212.05:265:26
2312.05:255:26
2412.05:255:26
2512.05:245:26
2612.05:235:26
2712.15:235:26
2812.15:225:26
2912.15:215:26
3012.15:215:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.55 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 5.55 kWh/m² in September across the year — September's 5.55 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Xapuri

In seasonPeak

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

Xapuri's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Xapuri?

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

3.3
Sightseeing
6th-best month of the year
5.8
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Xapuri.

What to pack for Xapuri in September

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

In September, Xapuri sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Xapuri in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xapuri peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeFeb 10UV 15Sep 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May11Extreme
Jun9Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Xapuri 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 Xapuri is worst in September — around 74 µg/m³ PM2.5 (unhealthy), about 10.3× the cleanest month (June, 7 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateGoodSep 1669 µg/m³Jun 107 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul11Good
Aug34Moderate
Sep74Unhealthy
Oct29Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Xapuri?

Xapuri sits at 10.7°S, 68.5°W, 171 m above sea level, in Brazil. The nearest listed city is Brasiléia, 48 km away.

Topography around Xapuri

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

Within 3 km, the terrain around Xapuri has only modest variations in elevation — a maximum elevation change of 76 m around an average of 178 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, only modest variations in elevation — a maximum elevation change of 187 m.

The land around Xapuri is covered by trees (52%) and grassland (42%) within 3 km, trees (53%) and grassland (47%) within 16 km, and trees (81%) within 80 km.

3 km
76 m
16 km
122 m
80 km
187 m
treesgrasslandartificial surfaceswater
September weather nearby: Brasiléia 48 km · Epitaciolândia 49 km · Cobija 51 km · Senador Guiomard 101 km · Rio Branco 107 km · Plácido de Castro 148 km · Porto Acre 159 km · Sena Madureira 178 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 Xapuri (-10.6517°, -68.5044°, elevation 171 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).