Andapa weather in September

In September, Andapa sees average daytime highs of 22°C and overnight lows near 15°C, with 83 mm of rain across 19.8 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 22°C through the month. The sky is clear or mostly clear about 8% 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 Andapa's 4th-clearest and 4th-windiest month. For the whole year in context, see Andapa's year-round climate.

Daytime high
22°
9th warmest
Overnight low
15°
3rd coldest
Rainfall
83 mm
19.8 wet days
Daylight
11 h 54 min
5:38 AM – 5:33 PM
Cloud cover
67%
4th clearest
Wind
6 km/h
4th windiest
Solar energy
4.55 kWh/m²
Travel score
5.1
out of 10

Andapa is place in Sava, Madagascar.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical September day in Andapa reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172315
182315
192315
202315
212315
222315
232315
242315
252316
262316
272316
282316
292316
302316

Andapa 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
Jan27° / 20°39328.912.83.5
Feb28° / 20°3572612.53.5
Mar27° / 20°30726.812.13.9
Apr26° / 19°15723.211.74.5
May24° / 18°9519.711.35.4
Jun22° / 16°9320.711.15.0
Jul21° / 15°11321.511.24.7
Aug21° / 15°10121.911.54.8
Sep22° / 15°8319.811.95.1
Oct24° / 16°8717.512.35.7
Nov26° / 18°9817.612.75.4
Dec27° / 19°24624.612.94.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23268
33268
43268
53367
63268
73268
83268
93367
103367
113268
123268
133367
143367
153268
163268
173268
183169
193169
203169
213169
223268
233268
243268
253268
263268
273367
283367
293466
303466

Chance of precipitation in September

Any precipitation

Andapa gets around 83 mm of rain over 19.8 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 66% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
171
271
372
472
572
671
771
871
970
1070
1169
1268
1368
1467
1566
1665
1764
1863
1962
2061
2161
2260
2360
2460
2560
2660
2760
2860
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. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1143542
2142552
3141553
4140563
5139573
6139573
7138583
8137593
9037603
10036613
11035623
12035623
13034633
14033643
15033643
16032653
17031663
18031663
19030664
20029674
21029674
22028684
23027685
24026695
25025696
26024706
27023707
28022708
29021709
300216910

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:50 AM to 5:27 AM, and sunset from 5:32 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:505:32
211.75:495:33
311.75:485:33
411.85:485:33
511.85:475:33
611.85:465:33
711.85:455:33
811.85:445:33
911.85:445:33
1011.85:435:33
1111.85:425:33
1211.95:415:33
1311.95:415:33
1411.95:405:33
1511.95:395:33
1611.95:385:33
1711.95:375:33
1811.95:375:33
1912.05:365:33
2012.05:355:33
2112.05:345:34
2212.05:335:34
2312.05:335:34
2412.05:325:34
2512.05:315:34
2612.15:305:34
2712.15:305:34
2812.15:295:34
2912.15:285:34
3012.15:275:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.55 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 5.63 kWh/m² in November across the year — September's 4.55 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
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
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Andapa

In seasonPeak

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

Andapa's monsoon runs December–March, when most of the year's rain falls.

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

Is September a good time to visit Andapa?

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

5.1
Sightseeing
4th-best month of the year
3.8
Beach & pool
7th-best month of the year

September is a reasonable time to visit Andapa for sightseeing.

What to pack for Andapa in September

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

In September, Andapa sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

UV index in Andapa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Andapa peaks around January 23 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 23UV 16Jun 20UV 8
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May10Extreme
Jun8Very high
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov14Extreme
Dec14Extreme

Air quality in Andapa 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 Andapa is worst in December — around 21 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (September, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1220 µg/m³Sep 105 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May7Good
Jun7Good
Jul6Good
Aug5Good
Sep5Good
Oct8Good
Nov17Moderate
Dec21Moderate
Location & terrain

Where is Andapa?

Andapa sits at 14.7°S, 49.6°E, 483 m above sea level, in Madagascar. The nearest listed city is Ampahana, 62 km away.

MaroantsetraBealananaBefandrianaIharan̈aAmbarakaraka

Topography around Andapa

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

Within 3 km, the terrain around Andapa has significant variations in elevation — a maximum elevation change of 597 m around an average of 548 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,461 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,311 m.

The land around Andapa is covered by cropland (39%) and trees (33%) within 3 km, trees (57%) within 16 km, and trees (64%) within 80 km.

3 km
597 m
16 km
1,461 m
80 km
2,311 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ampahana 62 km · Sambava 70 km · Antalaha 73 km · Maroantsetra 88 km · Bealanana 98 km · Befandriana 137 km · Iharan̈a 149 km · Ambarakaraka 153 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 Andapa (-14.65°, 49.65°, elevation 483 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. 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).