Soanindrariny weather in September

In September, Soanindrariny sees average daytime highs of 22°C and overnight lows near 9°C, with 10 mm of rain across 1.8 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 59% 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 Soanindrariny's 1st-clearest and 2nd-windiest month. For the whole year in context, see Soanindrariny's year-round climate.

Daytime high
22°
8th warmest
Overnight low
4th coldest
Rainfall
10 mm
1.8 wet days
Daylight
11 h 54 min
5:49 AM – 5:42 PM
Cloud cover
33%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
6.17 kWh/m²
Travel score
8.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical September day in Soanindrariny reaches about 22°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
1208
2208
3208
4208
5208
6218
7218
8218
9218
10218
11218
12218
13218
14229
15229
16229
17229
18229
19229
20229
21229
22229
23239
24239
25239
262310
272310
282310
292310
302310

Soanindrariny weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°32822.613.14.8
Feb24° / 15°24919.812.74.9
Mar23° / 14°17216.712.15.7
Apr22° / 13°589.811.66.8
May20° / 10°214.411.17.3
Jun18° / 81.610.87.3
Jul17° / 71.610.96.9
Aug19° / 61.311.37.8
Sep22° / 101.811.98.3
Oct24° / 11°607.612.57.7
Nov24° / 13°13713.312.96.5
Dec24° / 14°25519.513.25.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27426
37426
47525
57525
67525
77624
87723
97723
107723
117723
127723
137723
147723
157921
167921
177921
187921
197921
207921
217921
227921
237921
247921
257921
267921
277921
287921
297822
307822

Chance of precipitation in September

Any precipitation

Soanindrariny gets around 10 mm of rain over 1.8 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 7% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
55
65
75
85
95
105
115
126
136
146
156
167
177
187
197
207
218
228
238
249
2510
2610
2711
2812
2913
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 99% 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
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20991
21982
22982
23982
24982
25973
26973
27973
28964
29964
30964

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 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
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:03 AM to 5:36 AM, and sunset from 5:39 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:035:39
211.66:025:39
311.66:015:39
411.76:005:39
511.75:595:40
611.75:585:40
711.75:575:40
811.75:565:40
911.85:555:41
1011.85:545:41
1111.85:545:41
1211.85:535:41
1311.85:525:41
1411.85:515:42
1511.95:505:42
1611.95:495:42
1711.95:485:42
1811.95:475:42
1911.95:465:43
2012.05:455:43
2112.05:445:43
2212.05:435:43
2312.05:425:44
2412.05:415:44
2512.15:405:44
2612.15:395:44
2712.15:385:44
2812.15:375:45
2912.15:365:45
3012.25:365:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.17 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.71 kWh/m² in October across the year — September's 6.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.3Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
236.4Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Soanindrariny

In seasonPeak

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

Soanindrariny'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 Soanindrariny?

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

8.3
Sightseeing
1st-best month of the year
5.4
Beach & pool
3rd-best month of the year

September is one of the better times to visit Soanindrariny for general sightseeing.

What to pack for Soanindrariny in September

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

In September, Soanindrariny sees daytime highs around 22°C and nights near 9°C. Pack sun protection.

sun protection

UV index in Soanindrariny 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 Soanindrariny 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
Dec16Extreme

Air quality in Soanindrariny 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 Soanindrariny is worst in October — around 44 µg/m³ PM2.5 (poor), about 8.5× the cleanest month (January, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateOct 1741 µg/m³Jan 185 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar9Good
Apr13Moderate
May19Moderate
Jun19Moderate
Jul17Moderate
Aug17Moderate
Sep21Moderate
Oct44Poor
Nov21Moderate
Dec8Good
Location & terrain

Where is Soanindrariny?

Soanindrariny sits at 19.9°S, 47.2°E, 1,763 m above sea level, in Madagascar. The nearest listed city is Antsirabe, 21 km away.

Topography around Soanindrariny

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

Within 3 km, the terrain around Soanindrariny has significant variations in elevation — a maximum elevation change of 286 m around an average of 1,813 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 558 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,028 m.

The land around Soanindrariny is covered by cropland (69%) and grassland (23%) within 3 km, cropland (60%) and grassland (34%) within 16 km, and grassland (59%) and cropland (26%) within 80 km.

3 km
286 m
16 km
558 m
80 km
2,028 m
treesshrubsgrasslandcropland
September weather nearby: Antsirabe 21 km · Antanifotsy 29 km · Fandriana 40 km · Betafo 41 km · Ambatolampy 61 km · Faratsiho 63 km · Ambositra 70 km · Miandrarivo 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 Soanindrariny (-19.9°, 47.2333°, elevation 1,763 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).