Miandrarivo weather in September

In September, Miandrarivo sees average daytime highs of 26°C and overnight lows near 12°C, with 6 mm of rain across 1.5 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 63% of the time in September, and the air most often feels dry.

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 Miandrarivo's 4th-clearest and 4th-windiest month. For the whole year in context, see Miandrarivo's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
12°
4th coldest
Rainfall
6 mm
1.5 wet days
Daylight
11 h 54 min
5:51 AM – 5:44 PM
Cloud cover
30%
4th clearest
Wind
9 km/h
4th windiest
Solar energy
6.38 kWh/m²
Travel score
8.6
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 26°C by the end.

A typical September day in Miandrarivo reaches about 26°C in the afternoon and slips back to 12°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12411
22411
32411
42411
52511
62511
72511
82511
92511
102511
112511
122511
132511
142612
152612
162612
172612
182612
192612
202612
212612
222612
232612
242612
252613
262613
272613
282613
292713
302713

Miandrarivo weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°45927.2134.1
Feb25° / 17°40823.212.74.3
Mar25° / 16°24420.812.15.1
Apr25° / 14°801211.66.8
May23° / 12°173.611.18.3
Jun22° / 10°51.110.98.6
Jul22° / 51.310.98.6
Aug23° / 10°3111.39.0
Sep26° / 12°61.511.98.6
Oct27° / 14°609.612.47.0
Nov26° / 15°15816.912.95.6
Dec25° / 16°32424.313.24.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38515
48515
58614
68614
78713
88713
98713
108713
118713
128713
138713
148713
158713
168713
178713
188713
198713
208614
218515
228515
238416
248416
258416
268416
278317
288317
298317
308317

Chance of precipitation in September

Any precipitation

Miandrarivo gets around 6 mm of rain over 1.5 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 6% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
134
144
154
165
175
185
196
206
217
227
238
248
259
2610
2711
2811
2912
3013

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15982
16982
17982
18982
19973
20973
21973
22964
23964
24955
25955
26946
27937
28928
29919
30919

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
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 6:04 AM to 5:38 AM, and sunset from 5:41 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:045:41
211.66:035:41
311.66:035:41
411.76:025:42
511.76:015:42
611.76:005:42
711.75:595:42
811.75:585:42
911.85:575:43
1011.85:565:43
1111.85:555:43
1211.85:545:43
1311.85:535:43
1411.95:525:44
1511.95:525:44
1611.95:515:44
1711.95:505:44
1811.95:495:44
1911.95:485:45
2012.05:475:45
2112.05:465:45
2212.05:455:45
2312.05:445:45
2412.05:435:46
2512.15:425:46
2612.15:415:46
2712.15:405:46
2812.15:395:47
2912.15:395:47
3012.25:385:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.84 kWh/m² in November across the year — September's 6.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Miandrarivo

In seasonPeak

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

Miandrarivo'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 Miandrarivo?

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

8.6
Sightseeing
2nd-best month of the year
7.9
Beach & pool
1st-best month of the year

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

What to pack for Miandrarivo in September

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

In September, Miandrarivo sees daytime highs around 26°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Miandrarivo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Miandrarivo peaks around February 12 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 17Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec15Extreme

Air quality in Miandrarivo 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 Miandrarivo is worst in August — around 23 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1123 µg/m³Jan 156 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb8Good
Mar10Good
Apr14Moderate
May23Moderate
Jun23Moderate
Jul23Moderate
Aug23Moderate
Sep19Moderate
Oct21Moderate
Nov13Moderate
Dec7Good
Location & terrain

Where is Miandrarivo?

Miandrarivo sits at 19.4°S, 46.8°E, 1,424 m above sea level, in Madagascar. The nearest listed city is Faratsiho, 21 km away.

Topography around Miandrarivo

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

Within 3 km, the terrain around Miandrarivo has significant variations in elevation — a maximum elevation change of 317 m around an average of 1,409 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,191 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,131 m.

The land around Miandrarivo is covered by grassland (44%) and cropland (44%) within 3 km, grassland (65%) and cropland (28%) within 16 km, and grassland (64%) and cropland (34%) within 80 km.

3 km
317 m
16 km
1,191 m
80 km
2,131 m
treesshrubsgrasslandcroplandwater
September weather nearby: Faratsiho 21 km · Soavinandriana 30 km · Betafo 46 km · Antsirabe 57 km · Antanifotsy 64 km · Arivonimamo 65 km · Ambatolampy 70 km · Soanindrariny 72 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 Miandrarivo (-19.4333°, 46.75°, elevation 1,424 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).