Anakao weather in September

In September, Anakao sees average daytime highs of 30°C and overnight lows near 19°C, with 4 mm of rain across 0.6 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 92% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Anakao's 2nd-clearest and 1st-windiest month. For the whole year in context, see Anakao's year-round climate.

Daytime high
30°
8th warmest
Overnight low
19°
4th coldest
Rainfall
4 mm
0.6 wet days
Daylight
11 h 54 min
6:04 AM – 5:56 PM
Cloud cover
11%
2nd clearest
Wind
15 km/h
1st windiest
Solar energy
6.35 kWh/m²
Travel score
6.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical September day in Anakao reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12918
22918
32918
42919
52919
62919
72919
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223120
233120
243120
253120
263120
273120
283120
293120
303120

How September really feels in Anakao

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.

Anakao weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 25°16615.813.33.3
Feb33° / 25°10311.412.83.6
Mar33° / 25°517.112.24.0
Apr32° / 23°163.411.55.3
May29° / 20°81.710.97.1
Jun28° / 18°61.310.68.6
Jul27° / 17°30.910.78.9
Aug28° / 18°51.111.28.1
Sep30° / 19°40.611.96.8
Oct31° / 21°9212.65.7
Nov32° / 23°223.913.14.8
Dec33° / 24°54913.44.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 92% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 4%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5973
6973
7973
8964
9964
10964
11964
12964
13964
14964
15964
16964
17964
18964
19964
20964
21964
22964
23955
24955
25946
26946
27946
28946
29946
30937

Chance of precipitation in September

Any precipitation

Anakao gets around 4 mm of rain over 0.6 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
122
132
142
152
162
172
182
192
202
212
222
232
242
253
263
273
284
294
304

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13639232
23639232
33639242
43639242
53639242
63638242
73638252
83638252
93537262
103537262
113437272
123337283
133236293
143137293
152937304
162837314
172737325
182537335
192436346
202336357
212136357
222036368
231935379
2418353810
2516353811
2616343911
2715343912
2814334013
2914324014
3013314115

Wind in September

Winds average 15 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
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light 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 30 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 42 minutes over September. Sunrise moves from 6:20 AM to 5:49 AM, and sunset from 5:51 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:205:51
211.56:195:51
311.66:185:51
411.66:175:52
511.66:155:52
611.66:145:52
711.76:135:53
811.76:125:53
911.76:115:53
1011.76:105:54
1111.76:095:54
1211.86:085:54
1311.86:075:55
1411.86:065:55
1511.86:055:55
1611.96:045:56
1711.96:035:56
1811.96:025:56
1911.96:015:57
2012.05:595:57
2112.05:585:57
2212.05:575:58
2312.05:565:58
2412.15:555:58
2512.15:545:59
2612.15:535:59
2712.15:525:59
2812.15:516:00
2912.25:506:00
3012.25:496:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.35 kWh/m².

For context, solar energy here swings from a low near 4.07 kWh/m² to a high of 7.69 kWh/m² in November across the year — September's 6.35 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Anakao

In seasonPeak

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

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

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

Is September a good time to visit Anakao?

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

6.8
Sightseeing
5th-best month of the year
9.1
Beach & pool
2nd-best month of the year

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

What to pack for Anakao in September

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

In September, Anakao sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Anakao in September

The nearest coast averages about 25°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 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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr28Warm
May26Warm
Jun25Warm
Jul24Warm
Aug24Warm
Sep25Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Anakao in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Anakao peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 24UV 14Jun 20UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun5High
Jul6High
Aug7High
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Anakao?

Anakao sits at 23.7°S, 43.6°E, 0 m above sea level, in Madagascar. The nearest listed city is Toliara, 35 km away.

ItampoloSakarahaAmpanihyAnkazoaboBekilyMorombe

Topography around Anakao

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

Within 3 km, the terrain around Anakao has only modest variations in elevation — a maximum elevation change of 21 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 157 m; within 80 km, significant variations in elevation — a maximum elevation change of 561 m.

The land around Anakao is covered by shrubs (45%) and water (45%) within 3 km, water (59%) and shrubs (37%) within 16 km, and shrubs (47%) and water (34%) within 80 km.

3 km
21 m
16 km
157 m
80 km
561 m
treesshrubsgrasslandcroplandbare terrainwater
September weather nearby: Toliara 35 km · Betioky 75 km · Itampolo 117 km · Sakaraha 124 km · Ampanihy 159 km · Ankazoabo 178 km · Bekily 180 km · Morombe 216 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 Anakao (-23.6667°, 43.65°, elevation 0 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).