Toliara weather in September

In September, Toliara sees average daytime highs of 29°C and overnight lows near 19°C, with 4 mm of rain across 0.7 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 10th-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 91% 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 Toliara's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Toliara's year-round climate.

Daytime high
29°
8th warmest
Overnight low
19°
4th coldest
Rainfall
4 mm
0.7 wet days
Daylight
11 h 54 min
6:04 AM – 5:56 PM
Cloud cover
11%
3rd clearest
Wind
13 km/h
2nd windiest
Solar energy
6.34 kWh/m²
Travel score
7.2
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 Toliara reaches about 29°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 32°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)
12818
22918
32918
42918
52918
62918
72918
82918
92918
102918
112918
122918
132918
142918
152919
163019
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293020
303020

How September really feels in Toliara

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.

Toliara weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°21018.913.33.6
Feb31° / 24°13314.512.83.9
Mar31° / 24°638.912.24.7
Apr30° / 22°23411.55.9
May29° / 19°7210.97.5
Jun27° / 17°51.310.68.8
Jul27° / 17°30.810.79.0
Aug28° / 17°40.711.28.6
Sep29° / 19°40.711.97.2
Oct31° / 20°112.212.56.2
Nov31° / 22°295.113.15.2
Dec32° / 24°7911.513.44.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 4%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10973
11973
12964
13964
14964
15964
16964
17964
18964
19964
20964
21955
22955
23955
24955
25937
26937
27937
28937
29937
30937

Chance of precipitation in September

Any precipitation

Toliara gets around 4 mm of rain over 0.7 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
123
133
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 37% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13144231
23144231
33144241
43044242
53044242
63043252
73043252
83042262
92941272
102940283
112840293
122839303
132738324
142637334
152437354
162336365
172236375
182135386
191934397
201834408
211733419
2215334210
2314324311
2413324411
2512314412
2611314513
2710304515
2810304516
299294517
309294518

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 6:19 AM to 5:49 AM, and sunset from 5:51 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:195:51
211.56:185:51
311.66:175:51
411.66:165:52
511.66:155:52
611.66:145:52
711.76:135:53
811.76:125:53
911.76:115:53
1011.76:105:54
1111.86:095:54
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
1911.96:005:57
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
3012.25:496:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.34 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 7.52 kWh/m² in November across the year — September's 6.34 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
56.0Bright
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
216.5Intense
226.6Intense
236.6Intense
246.6Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Toliara

In seasonPeak

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

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

Toliara's monsoon runs January–February, 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 Toliara?

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

7.2
Sightseeing
5th-best month of the year
9.3
Beach & pool
1st-best month of the year

September is one of the better times to visit Toliara for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Toliara in September

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

In September, Toliara sees daytime highs around 29°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Toliara 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
Oct26Warm
Nov27Warm
Dec28Warm

UV index in Toliara in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Toliara peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 highExtremeJan 24UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug7High
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme
Location & terrain

Where is Toliara?

Toliara sits at 23.4°S, 43.7°E, 11 m above sea level, in Madagascar. The nearest listed city is Anakao, 35 km away.

BetiokySakarahaAnkazoaboItampoloMorombeAmpanihyBekily

Topography around Toliara

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

Within 3 km, the terrain around Toliara has only modest variations in elevation — a maximum elevation change of 21 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 200 m; within 80 km, large variations in elevation — a maximum elevation change of 973 m.

The land around Toliara is covered by artificial surfaces (30%) and bare terrain (26%) within 3 km, water (51%) and shrubs (31%) within 16 km, and shrubs (37%) and water (31%) within 80 km.

3 km
21 m
16 km
200 m
80 km
973 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Anakao 35 km · Betioky 84 km · Sakaraha 102 km · Ankazoabo 147 km · Itampolo 151 km · Morombe 181 km · Ampanihy 185 km · Bekily 194 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 Toliara (-23.35°, 43.6667°, elevation 11 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).