Farafangana weather in September

In September, Farafangana sees average daytime highs of 25°C and overnight lows near 19°C, with 37 mm of rain across 9.8 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 25°C through the month. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels muggy.

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 Farafangana's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Farafangana's year-round climate.

Daytime high
25°
9th warmest
Overnight low
19°
4th coldest
Rainfall
37 mm
9.8 wet days
Daylight
11 h 54 min
5:47 AM – 5:39 PM
Cloud cover
44%
2nd clearest
Wind
13 km/h
3rd windiest
Solar energy
4.88 kWh/m²
Travel score
7.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Farafangana reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)
12518
22518
32518
42518
52519
62519
72519
82519
92519
102519
112519
122519
132519
142519
152519
162519
172519
182619
192619
202619
212619
222620
232620
242620
252620
262620
272620
282620
292620
302620

How September really feels in Farafangana

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.

Farafangana 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
Jan30° / 24°31825.313.23.4
Feb29° / 24°26323.512.83.3
Mar29° / 23°25124.312.23.8
Apr28° / 22°15820.711.54.8
May26° / 20°11718.810.95.6
Jun24° / 18°721410.66.5
Jul24° / 17°7914.510.76.5
Aug24° / 18°4812.111.27.0
Sep25° / 19°379.811.97.0
Oct27° / 21°6311.612.56.4
Nov28° / 22°7914.513.15.3
Dec29° / 24°16020.513.44.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27822
37822
47822
57822
67723
77723
87723
97624
107624
117426
127327
137228
147228
157129
167030
177030
186931
196931
206931
216931
226931
236931
247030
257030
267030
277129
287129
297129
307030

Chance of precipitation in September

Any precipitation

Farafangana gets around 37 mm of rain over 9.8 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 33% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
338
438
537
636
736
835
934
1033
1132
1231
1331
1430
1529
1629
1729
1829
1930
2030
2130
2231
2331
2432
2532
2633
2734
2834
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111159290
211158300
311158300
411157310
511156320
611155330
711254330
811253340
911252350
1011350360
1111349370
1211348380
1311346390
1411345400
1511344420
1611243430
1711241450
1811140471
1911139491
2011038501
2111037511
221935541
231834561
241833571
251732582
261731592
271630612
281629622
291629622
301628623

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light 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 6:02 AM to 5:32 AM, and sunset from 5:35 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:025:35
211.66:015:35
311.66:005:35
411.65:595:35
511.65:585:36
611.65:575:36
711.75:565:36
811.75:555:37
911.75:545:37
1011.75:535:37
1111.85:525:38
1211.85:515:38
1311.85:505:38
1411.85:495:39
1511.85:485:39
1611.95:475:39
1711.95:465:39
1811.95:455:40
1911.95:445:40
2012.05:435:40
2112.05:425:41
2212.05:415:41
2312.05:405:41
2412.15:395:42
2512.15:385:42
2612.15:365:42
2712.15:355:43
2812.15:345:43
2912.25:335:43
3012.25:325:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 6.11 kWh/m² in December across the year — September's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Farafangana

In seasonPeak

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

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

Farafangana's monsoon runs December–April, 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 Farafangana?

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
6.5
Beach & pool
1st-best month of the year

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

What to pack for Farafangana in September

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

In September, Farafangana sees daytime highs around 25°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Farafangana 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 offshore is warmest in February at about 28°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
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Farafangana 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 Farafangana peaks around February 12 at about 15 (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 highExtremeFeb 12UV 15Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Farafangana?

Farafangana sits at 22.8°S, 47.8°E, 12 m above sea level, in Madagascar. The nearest listed city is Vohipeno, 53 km away.

VohipahoAmboanjoIvohibeIkongo

Topography around Farafangana

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

Within 3 km, the terrain around Farafangana has only modest variations in elevation — a maximum elevation change of 43 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 838 m.

The land around Farafangana is covered by grassland (39%) and water (32%) within 3 km, water (46%) and grassland (27%) within 16 km, and grassland (38%), water (33%) and trees (22%) within 80 km.

3 km
43 m
16 km
109 m
80 km
838 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Vohipeno 53 km · Vondrozo 56 km · Vangaindrano 63 km · Manakara 77 km · Vohipaho 88 km · Amboanjo 91 km · Ivohibe 104 km · Ikongo 112 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 Farafangana (-22.8222°, 47.8261°, elevation 12 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).