Maromandia weather in September

In September, Maromandia sees average daytime highs of 29°C and overnight lows near 20°C, with 15 mm of rain across 3.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 79% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Maromandia's 4th-clearest and 3rd-windiest month. For the whole year in context, see Maromandia's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
4th coldest
Rainfall
15 mm
3.9 wet days
Daylight
11 h 54 min
5:44 AM – 5:40 PM
Cloud cover
28%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
6.32 kWh/m²
Travel score
6.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Maromandia reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
283021
293021
303021

How September really feels in Maromandia

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.

Maromandia weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°4452912.72.9
Feb30° / 24°39726.112.52.9
Mar30° / 24°26525.812.13.1
Apr30° / 23°8214.811.74.4
May30° / 22°204.811.46.1
Jun29° / 20°61.511.27.0
Jul29° / 19°4111.27.2
Aug29° / 19°91.911.57.1
Sep29° / 20°153.911.96.5
Oct30° / 22°5013.312.35.1
Nov30° / 23°1312312.73.7
Dec30° / 24°24628.312.83.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1937
2937
3937
4937
5937
6937
7937
8937
9937
10937
11937
12937
13937
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25937
26937
27937
28937
29937
30937

Chance of precipitation in September

Any precipitation

Maromandia gets around 15 mm of rain over 3.9 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 14% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
19
29
310
410
510
611
711
811
911
1011
1111
1211
1311
1411
1511
1612
1712
1812
1913
2014
2114
2215
2316
2417
2518
2619
2720
2821
2922
3023

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11331614
21330624
31329634
41327645
51326655
60325666
70224686
80223687
90222697
100221698
110120718
120119719
1301187110
1401177111
1501167112
1600157213
1700147115
1800137116
1900127018
2000117019
2100106921
220096823
230096625
240086626
250076528
260076330
270066232
280066034
290055936
300055738

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 5:56 AM to 5:34 AM, and sunset from 5:39 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:565:39
211.75:555:39
311.75:545:39
411.85:545:39
511.85:535:39
611.85:525:39
711.85:515:39
811.85:515:39
911.85:505:39
1011.85:495:39
1111.95:485:39
1211.95:475:40
1311.95:475:40
1411.95:465:40
1511.95:455:40
1611.95:445:40
1711.95:445:40
1811.95:435:40
1912.05:425:40
2012.05:415:40
2112.05:405:40
2212.05:405:40
2312.05:395:40
2412.05:385:40
2512.05:375:40
2612.15:375:40
2712.15:365:40
2812.15:355:40
2912.15:345:40
3012.15:345:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.32 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.66 kWh/m² in October across the year — September's 6.32 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Maromandia

In seasonPeak

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

Maromandia sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Maromandia's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Maromandia?

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

6.5
Sightseeing
4th-best month of the year
8.5
Beach & pool
4th-best month of the year

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

What to pack for Maromandia in September

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

In September, Maromandia sees daytime highs around 29°C and nights near 20°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Maromandia 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 44 km away) is warmest in April at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Maromandia 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 Maromandia peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 15Jun 19UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May10Very high
Jun8Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec14Extreme

Air quality in Maromandia 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 Maromandia is worst in November — around 20 µg/m³ PM2.5 (moderate), about 5.4× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1219 µg/m³Jul 104 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr5Good
May4Good
Jun4Good
Jul4Good
Aug6Good
Sep10Good
Oct17Moderate
Nov20Moderate
Dec9Good
Location & terrain

Where is Maromandia?

Maromandia sits at 14.2°S, 48.1°E, 48 m above sea level, in Madagascar. The nearest listed city is Ambanja, 73 km away.

Hell-VilleAmbarakarakaBefandrianaAntsohimbondronaAmbilobe

Topography around Maromandia

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

Within 3 km, the terrain around Maromandia has only modest variations in elevation — a maximum elevation change of 176 m around an average of 52 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 634 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,213 m.

The land around Maromandia is covered by trees (51%) and grassland (35%) within 3 km, trees (38%) and grassland (34%) within 16 km, and trees (33%), grassland (32%) and water (30%) within 80 km.

3 km
176 m
16 km
634 m
80 km
2,213 m
treesshrubsgrasslandcroplandwatermangroves
September weather nearby: Ambanja 73 km · Antsohihy 74 km · Bealanana 80 km · Hell-Ville 93 km · Ambarakaraka 116 km · Befandriana 126 km · Antsohimbondrona 151 km · Ambilobe 154 km

Madagascar travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$599
2025
Happiness
4.2 / 10
World Happiness, 2025
Safe drinking water
22%
of population, 2024
Road deaths
29.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 457
Religion
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

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 Maromandia (-14.2167°, 48.0833°, elevation 48 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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).