Ambarakaraka weather in September

In September, Ambarakaraka sees average daytime highs of 29°C and overnight lows near 20°C, with 58 mm of rain across 15.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 8th-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 62% 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 Ambarakaraka's 1st-clearest and 2nd-windiest month. For the whole year in context, see Ambarakaraka's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
4th coldest
Rainfall
58 mm
15.9 wet days
Daylight
11 h 54 min
5:41 AM – 5:37 PM
Cloud cover
36%
1st clearest
Wind
6 km/h
2nd windiest
Solar energy
6.24 kWh/m²
Travel score
4.9
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 Ambarakaraka 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 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
233020
243020
253020
263020
273020
283021
293021
303021

How September really feels in Ambarakaraka

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.

Ambarakaraka weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°49329.312.72.8
Feb30° / 23°40226.212.42.8
Mar30° / 23°31627.612.12.9
Apr30° / 22°12619.811.73.8
May30° / 21°4711.511.45.2
Jun29° / 19°3310.111.26.0
Jul28° / 18°4012.211.35.9
Aug28° / 19°541511.65.5
Sep29° / 20°5815.911.94.9
Oct30° / 21°7817.112.34.4
Nov31° / 22°13020.812.63.6
Dec30° / 23°29627.512.82.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48515
58515
68515
78614
88614
98614
108614
118614
128713
138713
148713
158713
168713
178713
188713
198713
208911
218911
228911
238911
248911
259010
269010
279010
289010
29919
30919

Chance of precipitation in September

Any precipitation

Ambarakaraka gets around 58 mm of rain over 15.9 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 53% and peaks near 55% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
154
254
354
454
554
654
754
854
954
1054
1153
1253
1353
1452
1552
1652
1752
1852
1952
2052
2152
2252
2352
2453
2553
2654
2754
2855
2955
3055

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1556381
2555391
3553411
4453421
5452431
6451441
7450461
8349471
9348481
10247501
11246511
12245521
13145531
14144541
15142561
16141571
17140581
18139582
19137602
20136612
21135622
22134632
23133633
24133633
25132643
26131644
27130645
28129655
29128656
30127657

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 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 5:52 AM to 5:31 AM, and sunset from 5:36 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:525:36
211.75:515:36
311.85:515:36
411.85:505:36
511.85:495:36
611.85:495:36
711.85:485:36
811.85:475:37
911.85:465:37
1011.85:465:37
1111.95:455:37
1211.95:445:37
1311.95:435:37
1411.95:435:37
1511.95:425:37
1611.95:415:37
1711.95:405:37
1812.05:405:37
1912.05:395:37
2012.05:385:37
2112.05:375:37
2212.05:375:37
2312.05:365:37
2412.05:355:37
2512.05:345:37
2612.15:345:37
2712.15:335:37
2812.15:325:37
2912.15:315:37
3012.15:315:37

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 4.77 kWh/m² to a high of 6.62 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
15.9Bright
25.9Bright
36.0Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Ambarakaraka

In seasonPeak

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

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

Ambarakaraka'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 Ambarakaraka?

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

4.9
Sightseeing
5th-best month of the year
6.4
Beach & pool
5th-best month of the year

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

What to pack for Ambarakaraka in September

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

In September, Ambarakaraka sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Ambarakaraka in September

The nearest coast averages about 27°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 30 km away) is warmest in April at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Warm
Nov28Tropical
Dec29Tropical

UV index in Ambarakaraka 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 Ambarakaraka peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 20UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ambarakaraka 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 Ambarakaraka is worst in November — around 23 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1223 µg/m³Jul 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr7Good
May6Good
Jun6Good
Jul6Good
Aug6Good
Sep12Good
Oct20Moderate
Nov23Moderate
Dec10Good
Location & terrain

Where is Ambarakaraka?

Ambarakaraka sits at 13.5°S, 48.9°E, 50 m above sea level, in Madagascar. The nearest listed city is Ambilobe, 39 km away.

MaromandiaBealananaIharan̈aAntsiranana

Topography around Ambarakaraka

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

Within 3 km, the terrain around Ambarakaraka has significant variations in elevation — a maximum elevation change of 268 m around an average of 69 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 764 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,861 m.

The land around Ambarakaraka is covered by trees (54%) and grassland (35%) within 3 km, trees (45%) and grassland (42%) within 16 km, and grassland (35%), trees (34%) and water (25%) within 80 km.

3 km
268 m
16 km
764 m
80 km
2,861 m
treesshrubsgrasslandcroplandwatermangroves
September weather nearby: Ambilobe 39 km · Antsohimbondrona 46 km · Ambanja 49 km · Hell-Ville 66 km · Maromandia 116 km · Bealanana 117 km · Iharan̈a 124 km · Antsiranana 139 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 Ambarakaraka (-13.5°, 48.8667°, elevation 50 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).