Maruim weather in September

In September, Maruim sees average daytime highs of 26°C and overnight lows near 23°C, with 56 mm of rain across 15.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 53% of the time in September, and the air most often feels muggy.

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 Maruim's 1st-clearest and 4th-windiest month. For the whole year in context, see Maruim's year-round climate.

Daytime high
26°
9th warmest
Overnight low
23°
3rd coldest
Rainfall
56 mm
15.5 wet days
Daylight
11 h 54 min
5:24 AM – 5:21 PM
Cloud cover
41%
1st clearest
Wind
16 km/h
4th windiest
Solar energy
5.59 kWh/m²
Travel score
6.0
out of 10

Maruim is 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 26°C through the month.

A typical September day in Maruim reaches about 26°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72622
82622
92622
102622
112622
122622
132622
142622
152623
162623
172623
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723

How September really feels in Maruim

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Maruim weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°4712.812.65.3
Feb29° / 25°5313.612.44.9
Mar29° / 25°6716.912.14.7
Apr29° / 25°10319.211.84.6
May27° / 24°14222.611.54.8
Jun26° / 23°13523.311.44.8
Jul26° / 22°11623.311.44.9
Aug26° / 22°8621.211.65.3
Sep26° / 23°5615.511.96.0
Oct28° / 23°4711.612.26.5
Nov29° / 24°328.312.56.1
Dec29° / 24°267.812.65.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 33% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38317
48416
58416
68416
78416
88416
98515
108515
118515
128515
138515
148614
158614
168614
178713
188713
198713
208812
218812
228812
238911
248911
258911
268911
278911
288911
298812
308812

Chance of precipitation in September

Any precipitation

Maruim gets around 56 mm of rain over 15.5 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 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
259
358
458
558
658
758
858
957
1057
1157
1257
1356
1456
1555
1654
1753
1852
1951
2049
2148
2247
2346
2445
2544
2643
2743
2842
2942
3042

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
137522
237522
337423
437324
537324
637225
737225
837126
927127
1027127
1127028
1226929
1326929
1416930
1516831
1616732
1716633
1816534
1916435
2016336
2116237
2216138
2316039
2415940
2515742
2615643
2715544
2815445
2915346
3015247

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 5:34 AM to 5:15 AM, and sunset from 5:22 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:345:22
211.85:345:22
311.85:335:22
411.85:325:22
511.85:325:22
611.85:315:22
711.95:305:21
811.95:305:21
911.95:295:21
1011.95:285:21
1111.95:285:21
1211.95:275:21
1311.95:265:21
1411.95:265:21
1511.95:255:21
1611.95:245:21
1712.05:245:21
1812.05:235:21
1912.05:225:21
2012.05:225:21
2112.05:215:21
2212.05:205:21
2312.05:205:20
2412.05:195:20
2512.05:185:20
2612.05:185:20
2712.15:175:20
2812.15:165:20
2912.15:165:20
3012.15:155:20

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.

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 6.54 kWh/m² in December across the year — September's 5.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Maruim

In seasonPeak

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

Maruim's rainy season runs March–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 Maruim?

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

6.0
Sightseeing
3rd-best month of the year
5.9
Beach & pool
7th-best month of the year

September is a reasonable time to visit Maruim for sightseeing.

What to pack for Maruim in September

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

In September, Maruim sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

Sea temperature near Maruim in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in April at about 28°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Maruim 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 Maruim peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 12UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Maruim?

Maruim sits at 10.7°S, 37.1°W, 12 m above sea level, in Brazil. The nearest listed city is Laranjeiras, 12 km away.

Topography around Maruim

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

Within 3 km, the terrain around Maruim has only modest variations in elevation — a maximum elevation change of 99 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 207 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around Maruim is covered by grassland (64%) within 3 km, grassland (48%) and trees (26%) within 16 km, and grassland (48%) and water (25%) within 80 km.

3 km
99 m
16 km
207 m
80 km
694 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Laranjeiras 12 km · Nossa Senhora do Socorro 14 km · Aracaju 19 km · Barra dos Coqueiros 20 km · Japaratuba 22 km · Areia Branca 26 km · Capela 26 km · Nossa Senhora das Dores 30 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 Maruim (-10.7375°, -37.0817°, elevation 12 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).