Sahavato weather in September

In September, Sahavato sees average daytime highs of 25°C and overnight lows near 16°C, with 50 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 25°C by the end. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Sahavato's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Sahavato's year-round climate.

Daytime high
25°
9th warmest
Overnight low
16°
4th coldest
Rainfall
50 mm
10.2 wet days
Daylight
11 h 54 min
5:44 AM – 5:38 PM
Cloud cover
48%
2nd clearest
Wind
8 km/h
3rd windiest
Solar energy
5.02 kWh/m²
Travel score
7.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 25°C by the end.

A typical September day in Sahavato reaches about 25°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152516
162516
172516
182516
192516
202516
212517
222517
232517
242517
252517
262517
272517
282517
292617
302617

How September really feels in Sahavato

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.

Sahavato 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° / 22°3792613.13.4
Feb29° / 22°30923.912.73.4
Mar28° / 21°29425.112.13.9
Apr27° / 20°14720.411.54.9
May25° / 18°13818.2115.7
Jun23° / 16°7714.110.86.3
Jul22° / 15°7815.610.96.0
Aug23° / 15°5712.311.36.8
Sep25° / 16°5010.211.97.0
Oct26° / 18°7111.412.56.5
Nov28° / 20°10414.2135.3
Dec29° / 21°2062113.24.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37030
47030
56931
66931
76832
86832
96733
106634
116634
126634
136436
146436
156436
166436
176436
186436
196436
206436
216634
226634
236634
246733
256733
266832
276733
286832
296733
306733

Chance of precipitation in September

Any precipitation

Sahavato gets around 50 mm of rain over 10.2 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 34% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
538
637
737
837
937
1036
1136
1235
1335
1435
1534
1634
1733
1833
1933
2032
2132
2232
2331
2431
2531
2631
2731
2831
2931
3031

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 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1125668
2125668
3124669
41246510
51236610
61236511
71226611
81226512
91226512
101216513
111216414
121206514
131206415
141196416
151186417
160176518
170166519
180166420
190156421
200146422
210136423
220126424
230116425
240116326
250106327
26096328
27096229
28086230
29086131
30086032

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 5:59 AM to 5:31 AM, and sunset from 5:34 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:595:34
211.65:585:34
311.65:575:34
411.65:565:35
511.75:555:35
611.75:545:35
711.75:535:35
811.75:525:36
911.75:515:36
1011.85:505:36
1111.85:495:36
1211.85:485:37
1311.85:475:37
1411.85:465:37
1511.95:455:37
1611.95:445:38
1711.95:435:38
1811.95:435:38
1911.95:425:38
2012.05:415:38
2112.05:405:39
2212.05:395:39
2312.05:385:39
2412.05:375:39
2512.15:365:40
2612.15:355:40
2712.15:345:40
2812.15:335:40
2912.15:325:41
3012.25:315:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.02 kWh/m².

For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 6.02 kWh/m² in November across the year — September's 5.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Sahavato

In seasonPeak

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

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

Sahavato'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 Sahavato?

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

7.0
Sightseeing
1st-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for Sahavato in September

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

In September, Sahavato sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Sahavato 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 30 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
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec27Warm

UV index in Sahavato in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sahavato peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 highExtremeFeb 13UV 16Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug8Very high
Sep10Extreme
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Sahavato 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 Sahavato is worst in October — around 65 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (February, 7 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateOct 1961 µg/m³Feb 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar8Good
Apr11Good
May15Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep18Moderate
Oct65Unhealthy
Nov39Poor
Dec12Good
Location & terrain

Where is Sahavato?

Sahavato sits at 20.6°S, 48.3°E, 54 m above sea level, in Madagascar. The nearest listed city is Nosy Varika, 21 km away.

MahanoroIfanadianaFandrianaAmbositraSoanindrariny

Topography around Sahavato

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

Within 3 km, the terrain around Sahavato has only modest variations in elevation — a maximum elevation change of 209 m around an average of 66 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,609 m.

The land around Sahavato is covered by trees (67%) and grassland (24%) within 3 km, trees (54%) and grassland (34%) within 16 km, and trees (29%), grassland (28%) and water (26%) within 80 km.

3 km
209 m
16 km
554 m
80 km
1,609 m
treesshrubsgrasslandcroplandwater
September weather nearby: Nosy Varika 21 km · Marolambo 65 km · Mananjary 70 km · Mahanoro 92 km · Ifanadiana 107 km · Fandriana 107 km · Ambositra 114 km · Soanindrariny 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 Sahavato (-20.6°, 48.3333°, elevation 54 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).