Gurupá weather in September

In September, Gurupá sees average daytime highs of 33°C and overnight lows near 25°C, with 27 mm of rain across 6.6 wet days and about 12 hours of daylight. It is the 3rd-warmest and 12th-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 46% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Gurupá's 1st-clearest and 2nd-windiest month. For the whole year in context, see Gurupá's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
27 mm
6.6 wet days
Daylight
12 hours
6:21 AM – 6:21 PM
Cloud cover
46%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
6.13 kWh/m²
Travel score
4.1
out of 10

Gurupá 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 Gurupá reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113324
123324
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325

How September really feels in Gurupá

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.

Gurupá weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°22326.612.12.9
Feb30° / 24°28825.5122.9
Mar30° / 24°34129122.8
Apr30° / 24°36428.5122.7
May30° / 24°29327.411.92.8
Jun31° / 24°14721.511.93.3
Jul31° / 24°991811.93.8
Aug32° / 24°5210124.2
Sep33° / 25°276.6124.1
Oct33° / 25°346.8123.8
Nov33° / 25°498.312.13.6
Dec32° / 25°11617.712.13.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 32% of September, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58020
68020
78020
87921
97921
107921
117921
127921
137921
147921
157921
167921
177822
187822
197723
207723
217723
227624
237624
247525
257525
267426
277327
287228
297228
307030

Chance of precipitation in September

Any precipitation

Gurupá gets around 27 mm of rain over 6.6 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
328
428
528
628
728
827
927
1027
1126
1226
1325
1424
1523
1622
1721
1820
1919
2018
2118
2217
2317
2417
2517
2617
2717
2817
2917
3018

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
104753
204852
304951
405149
505248
605347
715346
815445
915445
1015544
1115643
1215742
1315841
1415940
1516039
1616237
1706436
1806634
1906733
2006931
2107030
2207228
2307327
2407525
2507624
2607723
2707822
2807921
2907921
3008020

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 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
179calm
189calm
199calm
209calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 6:27 AM to 6:16 AM, and sunset from 6:25 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:276:25
212.06:276:25
312.06:266:25
412.06:266:25
512.06:266:24
612.06:256:24
712.06:256:24
812.06:246:23
912.06:246:23
1012.06:246:23
1112.06:236:22
1212.06:236:22
1312.06:226:22
1412.06:226:21
1512.06:226:21
1612.06:216:21
1712.06:216:20
1812.06:206:20
1912.06:206:20
2012.06:196:19
2112.06:196:19
2212.06:196:19
2312.06:186:18
2412.06:186:18
2512.06:176:18
2612.06:176:17
2712.06:176:17
2812.06:166:17
2912.06:166:16
3012.06:166:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.13 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.25 kWh/m² in October across the year — September's 6.13 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Gurupá

In seasonPeak

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

Gurupá's monsoon runs January–May, 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 Gurupá?

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

4.1
Sightseeing
2nd-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Gurupá in September

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

In September, Gurupá sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Gurupá 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 Gurupá peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 15Jul 13UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Gurupá 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 Gurupá is worst in November — around 20 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1520 µg/m³Jul 129 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar17Moderate
Apr15Moderate
May10Good
Jun9Good
Jul9Good
Aug9Good
Sep11Good
Oct16Moderate
Nov20Moderate
Dec15Moderate
Location & terrain

Where is Gurupá?

Gurupá sits at 1.4°S, 51.6°W, 4 m above sea level, in Brazil. The nearest listed city is Porto de Moz, 77 km away.

Topography around Gurupá

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

Within 3 km, the terrain around Gurupá has only modest variations in elevation — a maximum elevation change of 39 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, only modest variations in elevation — a maximum elevation change of 167 m.

The land around Gurupá is covered by water (49%) and trees (41%) within 3 km, trees (76%) and water (20%) within 16 km, and trees (80%) within 80 km.

3 km
39 m
16 km
54 m
80 km
167 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Porto de Moz 77 km · Almeirim 106 km · Portel 108 km · Melgaço 112 km · Laranjal do Jari 116 km · Breves 133 km · Senador José Porfírio 136 km · Mazagão 149 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 Gurupá (-1.405°, -51.64°, elevation 4 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).