Mojuí dos Campos weather in September

In September, Mojuí dos Campos sees average daytime highs of 33°C and overnight lows near 24°C, with 55 mm of rain across 11 wet days and about 12 hours of daylight. It is the 2nd-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 41% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Mojuí dos Campos's 2nd-clearest and 1st-windiest month. For the whole year in context, see Mojuí dos Campos's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
55 mm
11 wet days
Daylight
12 hours
6:33 AM – 6:32 PM
Cloud cover
52%
2nd clearest
Wind
9 km/h
1st windiest
Solar energy
6.24 kWh/m²
Travel score
3.5
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 Mojuí dos Campos reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°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)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324

How September really feels in Mojuí dos Campos

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.

Mojuí dos Campos weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°30326.712.12.9
Feb30° / 23°2902512.12.9
Mar30° / 23°37228.2122.8
Apr30° / 23°36228.711.92.6
May30° / 23°27228.711.92.7
Jun31° / 23°1152111.83.4
Jul31° / 23°8117.211.93.9
Aug32° / 24°6111.711.93.9
Sep33° / 24°5511123.5
Oct33° / 24°8511.812.13.2
Nov33° / 24°11915.512.13.1
Dec32° / 24°1712012.23.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36535
46535
56436
66436
76337
86337
96337
106238
116238
126238
136238
146139
156139
166139
176139
186040
196040
205941
215941
225941
235842
245941
255941
265842
275842
285743
295743
305644

Chance of precipitation in September

Any precipitation

Mojuí dos Campos gets around 55 mm of rain over 11 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
339
439
539
639
739
839
938
1038
1138
1237
1337
1437
1536
1636
1735
1835
1934
2034
2134
2234
2334
2435
2535
2635
2735
2835
2935
3035

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
12953
22953
33943
43943
53934
64924
74924
85905
95905
105905
115905
126895
136895
146895
156895
166886
176886
186895
196895
206895
216895
226895
236895
246895
256895
266895
276895
287885
297885
307885

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 6:40 AM to 6:27 AM, and sunset from 6:37 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:406:37
212.06:396:36
312.06:396:36
412.06:396:36
512.06:386:36
612.06:386:35
712.06:376:35
812.06:376:35
912.06:366:35
1012.06:366:34
1112.06:366:34
1212.06:356:34
1312.06:356:33
1412.06:346:33
1512.06:346:33
1612.06:336:32
1712.06:336:32
1812.06:326:32
1912.06:326:32
2012.06:326:31
2112.06:316:31
2212.06:316:31
2312.06:306:30
2412.06:306:30
2512.06:296:30
2612.06:296:30
2712.06:286:29
2812.06:286:29
2912.06:286:29
3012.06:276:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.24 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.28 kWh/m² in October across the year — September's 6.24 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Hazard calendar for Mojuí dos Campos

In seasonPeak

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

Mojuí dos Campos's rainy season runs December–May, 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 Mojuí dos Campos?

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

3.5
Sightseeing
3rd-best month of the year
6.2
Beach & pool
2nd-best month of the year

September is a weaker month for outdoor sightseeing in Mojuí dos Campos. The water and warmth also suit a beach or pool day.

What to pack for Mojuí dos Campos in September

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

In September, Mojuí dos Campos sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Mojuí dos Campos in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mojuí dos Campos peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 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 highExtremeExtremeMar 12UV 15Nov 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep11Extreme
Oct12Extreme
Nov10Very high
Dec11Extreme

Air quality in Mojuí dos Campos 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 Mojuí dos Campos is worst in November — around 50 µg/m³ PM2.5 (poor), about 5.5× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1050 µg/m³Jun 169 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb15Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun9Good
Jul10Good
Aug15Moderate
Sep24Moderate
Oct47Poor
Nov50Poor
Dec27Moderate
Location & terrain

Where is Mojuí dos Campos?

Mojuí dos Campos sits at 2.7°S, 54.6°W, 79 m above sea level, in Brazil. The nearest listed city is Santarém, 28 km away.

Topography around Mojuí dos Campos

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

Within 3 km, the terrain around Mojuí dos Campos has only modest variations in elevation — a maximum elevation change of 96 m around an average of 109 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, only modest variations in elevation — a maximum elevation change of 248 m.

The land around Mojuí dos Campos is covered by grassland (56%) and trees (40%) within 3 km, grassland (53%) and trees (46%) within 16 km, and trees (60%) and water (23%) within 80 km.

3 km
96 m
16 km
176 m
80 km
248 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Santarém 28 km · Belterra 33 km · Alenquer 83 km · Monte Alegre 98 km · Aveiro 128 km · Óbidos 129 km · Placas 140 km · Uruará 153 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 Mojuí dos Campos (-2.6833°, -54.6428°, elevation 79 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).