Pacaraima weather in September

In September, Pacaraima sees average daytime highs of 28°C and overnight lows near 18°C, with 121 mm of rain across 18 wet days and about 12 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Pacaraima's 1st-clearest and 6th-windiest month. For the whole year in context, see Pacaraima's year-round climate.

Daytime high
28°
5th warmest
Overnight low
18°
4th coldest
Rainfall
121 mm
18 wet days
Daylight
12 hours
5:58 AM – 6:00 PM
Cloud cover
57%
1st clearest
Wind
5 km/h
6th windiest
Solar energy
5.95 kWh/m²
Travel score
4.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Pacaraima reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172918
182918
192918
202918
212918
222918
232918
242918
252918
262919
272919
282919
292919
302919

Pacaraima weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°7411.911.85.4
Feb29° / 19°7310.211.95.3
Mar29° / 19°10212.7124.9
Apr28° / 19°21720.112.14.4
May27° / 19°3772712.23.9
Jun26° / 19°32328.112.33.7
Jul26° / 18°28528.912.23.8
Aug27° / 18°21025.112.14.3
Sep28° / 18°12118124.7
Oct29° / 19°12216.611.94.6
Nov29° / 19°13718.511.84.4
Dec28° / 19°11717.211.74.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35941
45842
55842
65743
75644
85644
95545
105545
115446
125446
135347
145347
155347
165347
175248
185248
195248
205347
215248
225347
235347
245347
255347
265347
275347
285347
295248
305248

Chance of precipitation in September

Any precipitation

Pacaraima gets around 121 mm of rain over 18 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 60% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
170
269
368
468
567
667
767
867
966
1066
1165
1265
1364
1463
1562
1661
1760
1859
1958
2057
2156
2255
2354
2453
2552
2651
2750
2850
2950
3049

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)
1793
2793
3892
4892
5991
6991
71090
81090
91090
101189
111189
121189
131189
141189
151288
161288
171288
181288
191387
201486
211486
221585
231684
241783
251882
261981
272080
282278
292377
302476

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 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
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 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 6:02 AM to 5:55 AM, and sunset from 6:07 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:026:07
212.16:026:06
312.16:016:06
412.16:016:05
512.16:016:05
612.16:016:05
712.16:006:04
812.16:006:04
912.16:006:03
1012.06:006:03
1112.05:596:02
1212.05:596:02
1312.05:596:01
1412.05:596:01
1512.05:586:00
1612.05:586:00
1712.05:585:59
1812.05:585:59
1912.05:575:58
2012.05:575:58
2112.05:575:57
2212.05:575:57
2312.05:565:56
2412.05:565:56
2512.05:565:55
2612.05:565:55
2712.05:565:54
2812.05:555:54
2912.05:555:53
3012.05:555:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.95 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 5.95 kWh/m² in September across the year — September's 5.95 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Pacaraima

In seasonPeak

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

Pacaraima's rainy season runs April–August, 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 Pacaraima?

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

4.7
Sightseeing
5th-best month of the year
5.6
Beach & pool
5th-best month of the year

September is a reasonable time to visit Pacaraima for sightseeing.

What to pack for Pacaraima in September

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

In September, Pacaraima sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Pacaraima in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pacaraima peaks around March 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 22UV 15Nov 23UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Pacaraima 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 Pacaraima is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1917 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar17Moderate
Apr15Moderate
May12Moderate
Jun11Good
Jul11Good
Aug10Good
Sep11Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Pacaraima?

Pacaraima sits at 4.4°N, 61.1°W, 730 m above sea level, in Brazil. The nearest listed city is Santa Elena de Uairén, 19 km away.

El DoradoCaracaraí

Topography around Pacaraima

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

Within 3 km, the terrain around Pacaraima has significant variations in elevation — a maximum elevation change of 477 m around an average of 632 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,059 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.

The land around Pacaraima is covered by trees (93%) within 3 km, trees (72%) and grassland (27%) within 16 km, and grassland (57%) and trees (39%) within 80 km.

3 km
477 m
16 km
1,059 m
80 km
1,536 m
treesshrubsgrassland
September weather nearby: Santa Elena de Uairén 19 km · Alto Alegre 175 km · Boa Vista 187 km · Lethem 190 km · Cantá 211 km · Mucajaí 223 km · El Dorado 260 km · Caracaraí 291 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 Pacaraima (4.4314°, -61.1464°, elevation 730 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).