Dom Eliseu weather in September

In September, Dom Eliseu sees average daytime highs of 35°C and overnight lows near 23°C, with 10 mm of rain across 2 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels muggy.

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 Dom Eliseu's 3rd-clearest and 1st-windiest month. For the whole year in context, see Dom Eliseu's year-round climate.

Daytime high
35°
1st warmest
Overnight low
23°
10th coldest
Rainfall
10 mm
2 wet days
Daylight
12 hours
6:05 AM – 6:04 PM
Cloud cover
41%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
6.16 kWh/m²
Travel score
3.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Dom Eliseu reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13523
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123523
133523
143523
153523
163523
173523
183523
193523
203523
213523
223523
233523
243523
253523
263523
273524
283524
293524
303524

How September really feels in Dom Eliseu

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.

Dom Eliseu weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°22926.112.22.8
Feb30° / 22°24525.612.12.7
Mar30° / 23°29429.2122.7
Apr30° / 23°20325.511.92.9
May31° / 22°9917.311.83.7
Jun32° / 22°225.411.84.4
Jul34° / 22°92.111.84.0
Aug35° / 22°40.811.93.5
Sep35° / 23°102123.3
Oct34° / 24°295.512.13.2
Nov33° / 24°6810.912.23.2
Dec32° / 23°13118.812.23.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38614
48614
58614
68614
78614
88713
98713
108614
118515
128515
138515
148515
158515
168515
178515
188416
198317
208317
218317
228218
238119
248119
258119
268020
277921
287822
297822
307624

Chance of precipitation in September

Any precipitation

Dom Eliseu gets around 10 mm of rain over 2 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 7% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
24
34
44
54
65
75
85
95
105
116
126
136
146
156
166
176
187
197
207
218
228
238
249
259
2610
2710
2810
2911
3011

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11116325
21116325
31116226
41116226
51116226
61116226
71116226
81116127
91116127
101116127
111106227
121106227
13196327
14196327
15186427
16176428
17166528
18166429
19156529
20146530
21146431
22136432
23136432
24136333
25126334
26026335
27026236
28026137
29016237
30016138

Wind in September

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

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:12 AM to 5:58 AM, and sunset from 6:07 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:126:07
211.96:126:07
311.96:116:07
411.96:116:07
511.96:106:06
611.96:106:06
711.96:096:06
811.96:096:06
911.96:086:05
1012.06:086:05
1112.06:076:05
1212.06:076:05
1312.06:076:04
1412.06:066:04
1512.06:066:04
1612.06:056:04
1712.06:056:03
1812.06:046:03
1912.06:046:03
2012.06:036:03
2112.06:036:02
2212.06:026:02
2312.06:026:02
2412.06:016:02
2512.06:016:01
2612.06:006:01
2712.06:006:01
2812.05:596:01
2912.05:596:01
3012.05:586:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.16 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 6.16 kWh/m² in September across the year — September's 6.16 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Dom Eliseu

In seasonPeak

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

Dom Eliseu's monsoon runs January–April, 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 Dom Eliseu?

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

3.3
Sightseeing
5th-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Dom Eliseu in September

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

In September, Dom Eliseu sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Dom Eliseu 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 Dom Eliseu peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Dec 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Dom Eliseu 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 Dom Eliseu is worst in November — around 33 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1433 µg/m³Jun 188 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May10Good
Jun8Good
Jul9Good
Aug14Moderate
Sep18Moderate
Oct29Moderate
Nov33Moderate
Dec25Moderate
Location & terrain

Where is Dom Eliseu?

Dom Eliseu sits at 4.3°S, 47.5°W, 187 m above sea level, in Brazil. The nearest listed city is Itinga do Maranhão, 18 km away.

Topography around Dom Eliseu

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

Within 3 km, the terrain around Dom Eliseu has only modest variations in elevation — a maximum elevation change of 145 m around an average of 203 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, significant variations in elevation — a maximum elevation change of 332 m.

The land around Dom Eliseu is covered by grassland (71%) and trees (20%) within 3 km, grassland (52%) and trees (44%) within 16 km, and trees (54%) and grassland (41%) within 80 km.

3 km
145 m
16 km
219 m
80 km
332 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Itinga do Maranhão 18 km · Ulianópolis 60 km · Açailândia 74 km · Bom Jesus das Selvas 76 km · Rondon do Pará 83 km · Buriticupu 117 km · João Lisboa 130 km · Imperatriz 138 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 Dom Eliseu (-4.285°, -47.505°, elevation 187 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).