Vavatenina weather in September

In September, Vavatenina sees average daytime highs of 24°C and overnight lows near 18°C, with 81 mm of rain across 18.4 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 22% 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 Vavatenina's 1st-clearest and 6th-windiest month. For the whole year in context, see Vavatenina's year-round climate.

Daytime high
24°
9th warmest
Overnight low
18°
3rd coldest
Rainfall
81 mm
18.4 wet days
Daylight
11 h 54 min
5:40 AM – 5:35 PM
Cloud cover
53%
1st clearest
Wind
9 km/h
6th windiest
Solar energy
4.58 kWh/m²
Travel score
5.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical September day in Vavatenina reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82318
92318
102418
112418
122418
132418
142418
152418
162418
172418
182418
192418
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302418

How September really feels in Vavatenina

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.

Vavatenina 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
Jan29° / 23°3182612.93.4
Feb29° / 23°33623.512.63.4
Mar28° / 23°28425.512.13.8
Apr27° / 22°1282211.64.7
May26° / 20°11219.711.25.4
Jun24° / 18°10420.4115.4
Jul23° / 17°12522.111.15.1
Aug23° / 17°10320.511.45.3
Sep24° / 18°8118.411.95.7
Oct25° / 19°8118.112.45.7
Nov27° / 21°821612.85.5
Dec29° / 22°19022.5134.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 43% of September, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36535
46436
56436
66535
76535
86436
96436
106436
116436
126337
136337
146337
156436
166436
176436
186436
196535
206634
216634
226733
236832
246832
256832
266832
276832
286832
296733
306733

Chance of precipitation in September

Any precipitation

Vavatenina gets around 81 mm of rain over 18.4 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 61% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
167
266
366
466
565
665
764
863
962
1061
1160
1260
1359
1459
1559
1659
1759
1859
1959
2059
2159
2259
2360
2460
2560
2660
2761
2861
2961
3061

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11371160
21272160
31271170
41270180
51170190
61170190
71169200
81169200
91168210
101267210
111167220
121166230
131165240
141165240
151065250
161064260
17964270
18963280
19963280
20863290
21862300
22762310
23761320
24660340
25658351
26558361
27557371
28556381
29555391
30553402

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:53 AM to 5:28 AM, and sunset from 5:33 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:535:33
211.75:525:33
311.75:525:33
411.75:515:33
511.75:505:33
611.75:495:33
711.85:485:33
811.85:475:34
911.85:475:34
1011.85:465:34
1111.85:455:34
1211.85:445:34
1311.95:435:34
1411.95:425:34
1511.95:415:34
1611.95:405:35
1711.95:405:35
1811.95:395:35
1912.05:385:35
2012.05:375:35
2112.05:365:35
2212.05:355:35
2312.05:345:36
2412.05:335:36
2512.15:335:36
2612.15:325:36
2712.15:315:36
2812.15:305:36
2912.15:295:37
3012.15:285:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.58 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 5.75 kWh/m² in November across the year — September's 4.58 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Vavatenina

In seasonPeak

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

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

Vavatenina's rainy season runs December–March, when most of the year's rain falls.

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

Is September a good time to visit Vavatenina?

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

5.7
Sightseeing
1st-best month of the year
4.7
Beach & pool
6th-best month of the year

September is a reasonable time to visit Vavatenina for sightseeing.

What to pack for Vavatenina in September

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

In September, Vavatenina sees daytime highs around 24°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Vavatenina 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 46 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
Jul24Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Vavatenina 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 Vavatenina peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 12UV 15Jun 19UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Vavatenina 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 Vavatenina is worst in November — around 27 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (February, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1625 µg/m³Feb 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May7Good
Jun7Good
Jul7Good
Aug6Good
Sep6Good
Oct11Good
Nov27Moderate
Dec9Good
Location & terrain

Where is Vavatenina?

Vavatenina sits at 17.5°S, 49.2°E, 117 m above sea level, in Madagascar. The nearest listed city is Vohibinany, 22 km away.

Ambodifotatra

Topography around Vavatenina

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

Within 3 km, the terrain around Vavatenina has only modest variations in elevation — a maximum elevation change of 139 m around an average of 125 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 672 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,570 m.

The land around Vavatenina is covered by trees (67%) within 3 km, trees (54%) and grassland (26%) within 16 km, and trees (46%) and water (25%) within 80 km.

3 km
139 m
16 km
672 m
80 km
1,570 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Vohibinany 22 km · Ambodimanga II 23 km · Fenoarivo Atsinanana 24 km · Imerimandroso 66 km · Soanierana Ivongo 73 km · Toamasina 79 km · Andilamena 84 km · Ambodifotatra 87 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 Vavatenina (-17.4667°, 49.2°, elevation 117 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).