Antsohimbondrona weather in September

In September, Antsohimbondrona sees average daytime highs of 28°C and overnight lows near 23°C, with 38 mm of rain across 13.5 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 70% of the time in September, and the air most often feels humid.

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

Daytime high
28°
7th warmest
Overnight low
23°
3rd coldest
Rainfall
38 mm
13.5 wet days
Daylight
11 h 54 min
5:41 AM – 5:37 PM
Cloud cover
30%
1st clearest
Wind
14 km/h
1st windiest
Solar energy
6.54 kWh/m²
Travel score
5.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Antsohimbondrona reaches about 28°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142823
152823
162823
172823
182823
192823
202823
212823
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Antsohimbondrona

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.

Antsohimbondrona weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°44128.612.73.3
Feb28° / 25°3982612.43.3
Mar29° / 25°25825.212.13.6
Apr30° / 25°7717.211.74.5
May29° / 24°3910.911.45.7
Jun28° / 23°2910.411.26.4
Jul27° / 22°3312.111.36.6
Aug28° / 22°4014.711.66.2
Sep28° / 23°3813.511.95.8
Oct29° / 24°4413.512.35.4
Nov30° / 25°8718.812.64.4
Dec29° / 25°24326.112.83.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58812
68812
78812
88812
98812
108911
118911
128911
138911
148911
158911
169010
179010
189010
199010
20919
21919
22919
23928
24928
25928
26928
27928
28928
29928
30928

Chance of precipitation in September

Any precipitation

Antsohimbondrona gets around 38 mm of rain over 13.5 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 46% and peaks near 49% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
149
249
348
448
548
647
747
847
946
1046
1146
1246
1346
1446
1546
1646
1746
1846
1946
2045
2145
2244
2344
2444
2543
2643
2743
2843
2942
3042

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1869230
2868240
3868240
4768250
5767260
6767260
7667270
8666280
9665290
10566290
11565300
12564310
13563320
14463321
15462331
16460351
17459361
18458371
19457381
20455401
21454411
22354421
23353431
24352441
25351451
26350461
27349472
28348482
29247483
30246493

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 5:37 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:525:37
211.85:515:37
311.85:515:37
411.85:505:37
511.85:495:37
611.85:485:37
711.85:485:37
811.85:475:37
911.85:465:37
1011.95:465:37
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
2912.15:325:37
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 6.54 kWh/m².

For context, solar energy here swings from a low near 4.92 kWh/m² to a high of 7.03 kWh/m² in October across the year — September's 6.54 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.4Intense
136.5Intense
146.5Intense
156.5Intense
166.6Intense
176.6Intense
186.6Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Antsohimbondrona

In seasonPeak

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

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

Antsohimbondrona'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 Antsohimbondrona?

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

5.8
Sightseeing
4th-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for Antsohimbondrona in September

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

In September, Antsohimbondrona sees daytime highs around 28°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Antsohimbondrona 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 offshore 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep27Warm
Oct27Warm
Nov28Tropical
Dec29Tropical

UV index in Antsohimbondrona 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 Antsohimbondrona peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 15UV 15Jun 21UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Antsohimbondrona?

Antsohimbondrona sits at 13.1°S, 48.9°E, 8 m above sea level, in Madagascar. The nearest listed city is Ambilobe, 25 km away.

AntsirananaIharan̈aMaromandiaBealanana

Topography around Antsohimbondrona

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

Within 3 km, the terrain around Antsohimbondrona has only modest variations in elevation — a maximum elevation change of 15 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 101 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,209 m.

The land around Antsohimbondrona is covered by grassland (34%) and mangroves (25%) within 3 km, water (47%) and grassland (21%) within 16 km, and water (40%), grassland (33%) and trees (20%) within 80 km.

3 km
15 m
16 km
101 m
80 km
2,209 m
treesshrubsgrasslandcroplandbare terrainwaterwetlandmangroves
September weather nearby: Ambilobe 25 km · Ambarakaraka 46 km · Hell-Ville 72 km · Ambanja 78 km · Antsiranana 98 km · Iharan̈a 128 km · Maromandia 151 km · Bealanana 163 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 Antsohimbondrona (-13.0833°, 48.85°, elevation 8 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).