Buritis weather in September

In September, Buritis sees average daytime highs of 33°C and overnight lows near 23°C, with 96 mm of rain across 15.9 wet days and about 11.9 hours of daylight. It is the 2nd-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 28% 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 Buritis's 4th-clearest and 3rd-windiest month. For the whole year in context, see Buritis's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
23°
5th coldest
Rainfall
96 mm
15.9 wet days
Daylight
11 h 54 min
6:11 AM – 6:08 PM
Cloud cover
58%
4th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.59 kWh/m²
Travel score
2.9
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 Buritis reaches about 33°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 30°C and 36°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13422
23422
33322
43322
53322
63322
73322
83322
93322
103322
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323

How September really feels in Buritis

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.

Buritis weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30628.512.52.8
Feb30° / 23°27825.912.32.8
Mar30° / 23°27328.212.12.8
Apr30° / 23°17924.411.83.2
May30° / 22°931711.54.2
Jun31° / 21°276.411.44.9
Jul33° / 20°173.311.54.5
Aug34° / 21°386.611.73.5
Sep33° / 23°9615.911.92.9
Oct32° / 23°16622.712.22.7
Nov31° / 23°23524.812.52.8
Dec30° / 23°27327.912.62.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26634
36634
46436
56436
66337
76337
86238
96139
106040
115941
125743
135644
145545
155347
165248
175149
185050
194951
204753
214654
224654
234555
244456
254456
264357
274357
284258
294258
304159

Chance of precipitation in September

Any precipitation

Buritis gets around 96 mm of rain over 15.9 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 52% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
140
241
342
442
543
644
744
845
945
1046
1147
1248
1349
1450
1551
1652
1753
1855
1956
2057
2158
2259
2360
2461
2561
2662
2763
2863
2964
3065

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
124924601
223923621
323823631
423822641
523822641
612821671
712821671
812720691
912720682
1012719692
1112718702
1212617722
1312616732
1402616733
1502515753
1602514763
1701513783
1801413793
1901412794
2001411804
2101411804
2201410814
2301310824
240139834
250139834
260138844
270138844
280128854
290128845
300127855

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:21 AM to 6:02 AM, and sunset from 6:09 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:216:09
211.86:206:09
311.86:206:09
411.86:196:09
511.86:186:09
611.86:186:09
711.96:176:09
811.96:176:09
911.96:166:09
1011.96:156:08
1111.96:156:08
1211.96:146:08
1311.96:136:08
1411.96:136:08
1511.96:126:08
1611.96:116:08
1712.06:116:08
1812.06:106:08
1912.06:096:08
2012.06:096:08
2112.06:086:08
2212.06:076:07
2312.06:076:07
2412.06:066:07
2512.06:056:07
2612.06:056:07
2712.16:046:07
2812.16:036:07
2912.16:036:07
3012.16:026:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.59 kWh/m² in September across the year — September's 5.59 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
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Buritis

In seasonPeak

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

Buritis'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 Buritis?

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

2.9
Sightseeing
6th-best month of the year
5.4
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Buritis.

What to pack for Buritis in September

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

In September, Buritis sees daytime highs around 33°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Buritis in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Buritis peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 13UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Buritis 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 Buritis is worst in August — around 118 µg/m³ PM2.5 (unhealthy), about 14.7× the cleanest month (June, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodUnhealthyModerateAug 22115 µg/m³Jun 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar13Moderate
Apr10Good
May9Good
Jun8Good
Jul14Moderate
Aug118Unhealthy
Sep105Unhealthy
Oct33Moderate
Nov18Moderate
Dec13Moderate
Location & terrain

Where is Buritis?

Buritis sits at 10.2°S, 63.8°W, 147 m above sea level, in Brazil. The nearest listed city is Alto Paraíso, 79 km away.

Topography around Buritis

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

Within 3 km, the terrain around Buritis has only modest variations in elevation — a maximum elevation change of 49 m around an average of 158 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 204 m; within 80 km, large variations in elevation — a maximum elevation change of 1,027 m.

The land around Buritis is covered by grassland (63%) within 3 km, grassland (77%) and trees (22%) within 16 km, and trees (51%) and grassland (49%) within 80 km.

3 km
49 m
16 km
204 m
80 km
1,027 m
treesgrasslandartificial surfaces
September weather nearby: Alto Paraíso 79 km · Ariquemes 92 km · Jaru 151 km · Candeias do Jamari 157 km · Porto Velho 161 km · Nova Mamoré 165 km · Guajará Mirim 177 km · Guayaramerín 181 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 Buritis (-10.2117°, -63.8286°, elevation 147 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).