Marolambo weather in September

In September, Marolambo sees average daytime highs of 23°C and overnight lows near 13°C, with 65 mm of rain across 11.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Marolambo's 1st-clearest and 2nd-windiest month. For the whole year in context, see Marolambo's year-round climate.

Daytime high
23°
9th warmest
Overnight low
13°
4th coldest
Rainfall
65 mm
11.9 wet days
Daylight
11 h 54 min
5:45 AM – 5:38 PM
Cloud cover
54%
1st clearest
Wind
6 km/h
2nd windiest
Solar energy
5.17 kWh/m²
Travel score
6.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical September day in Marolambo reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12113
22113
32113
42213
52213
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162313
172313
182313
192313
202314
212314
222314
232314
242314
252314
262314
272414
282414
292414
302414

Marolambo weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°45727.513.13.8
Feb27° / 19°3892512.73.8
Mar26° / 19°33125.912.14.2
Apr25° / 17°1532211.64.9
May23° / 15°13519.211.15.4
Jun21° / 13°7914.510.85.7
Jul20° / 12°8215.910.95.4
Aug21° / 12°7013.911.36.0
Sep23° / 13°6511.911.96.5
Oct25° / 15°11014.812.56.2
Nov26° / 17°16117.6135.3
Dec27° / 19°31422.913.24.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34852
44852
54852
64852
74951
84951
94852
104951
114951
125050
135050
145050
154951
165050
175050
185050
195149
205149
215050
225149
235149
245149
255248
265248
275248
285149
295248
305248

Chance of precipitation in September

Any precipitation

Marolambo gets around 65 mm of rain over 11.9 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 40% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
244
344
444
544
644
744
844
944
1044
1143
1243
1343
1442
1541
1641
1740
1840
1939
2038
2138
2237
2336
2436
2536
2635
2735
2835
2936
3036

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1266590
22664100
32564110
42464120
52464120
62364130
72363140
82264140
92263150
102163160
112162170
122063170
132062180
141962190
151961200
161861210
171761220
181760230
191660240
201559251
211460251
221459261
231360261
241260271
251161271
261060282
271060282
28960292
29959302
30859312

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 5:59 AM to 5:32 AM, and sunset from 5:35 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:595:35
211.65:585:35
311.65:575:36
411.75:575:36
511.75:565:36
611.75:555:36
711.75:545:37
811.75:535:37
911.85:525:37
1011.85:515:37
1111.85:505:37
1211.85:495:38
1311.85:485:38
1411.85:475:38
1511.95:465:38
1611.95:455:38
1711.95:445:39
1811.95:435:39
1911.95:425:39
2012.05:415:39
2112.05:405:40
2212.05:395:40
2312.05:395:40
2412.05:385:40
2512.15:375:40
2612.15:365:41
2712.15:355:41
2812.15:345:41
2912.15:335:41
3012.25:325:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.17 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 6.04 kWh/m² in November across the year — September's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Marolambo

In seasonPeak

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

Marolambo's monsoon runs December–March, 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 Marolambo?

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

6.5
Sightseeing
1st-best month of the year
4.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Marolambo for sightseeing.

What to pack for Marolambo in September

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

In September, Marolambo sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Marolambo in September

The nearest coast averages about 24°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 64 km away) is warmest in February at about 29°C and coldest in August near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec27Warm

UV index in Marolambo 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 Marolambo peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 13UV 16Jun 17UV 6
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun6High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Marolambo 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 Marolambo is worst in October — around 65 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (February, 7 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateOct 1961 µg/m³Feb 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar8Good
Apr11Good
May15Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep18Moderate
Oct65Unhealthy
Nov39Poor
Dec12Good
Location & terrain

Where is Marolambo?

Marolambo sits at 20.1°S, 48.1°E, 424 m above sea level, in Madagascar. The nearest listed city is Sahavato, 65 km away.

SoanindrarinyAntanifotsyAmbatolampyAmbositra

Topography around Marolambo

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

Within 3 km, the terrain around Marolambo has only modest variations in elevation — a maximum elevation change of 242 m around an average of 491 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Marolambo is covered by trees (46%), shrubs (25%) and grassland (21%) within 3 km, grassland (38%), trees (31%) and shrubs (29%) within 16 km, and grassland (37%) and trees (35%) within 80 km.

3 km
242 m
16 km
719 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Sahavato 65 km · Mahanoro 73 km · Nosy Varika 74 km · Fandriana 79 km · Soanindrariny 94 km · Antanifotsy 95 km · Ambatolampy 104 km · Ambositra 106 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 Marolambo (-20.05°, 48.1167°, elevation 424 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. 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).