Ihosy weather in September

In September, Ihosy sees average daytime highs of 26°C and overnight lows near 14°C, with 5 mm of rain across 1.3 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 78% of the time in September, and the air most often feels dry.

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 Ihosy's 1st-clearest and 1st-windiest month. For the whole year in context, see Ihosy's year-round climate.

Daytime high: 26°; 8th warmest
Overnight low: 14°; 4th coldest
Rainfall: 5 mm; 1.3 wet days
Daylight: 11 h 54 min; 5:54 AM – 5:46 PM
Cloud cover: 22%; 1st clearest
Wind: 12 km/h; 1st windiest
Solar energy: 6.18 kWh/m²
Travel score: 8.7; out of 10

← August Ihosy year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical September day in Ihosy reaches about 26°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	25	25	25	25	25	25	25	26	26	26	26	26	26	26	26	26	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	15	15	15	15

	Avg high (°C)	Avg low (°C)
1	25	13
2	25	13
3	25	13
4	25	13
5	25	13
6	25	13
7	25	13
8	26	13
9	26	13
10	26	13
11	26	13
12	26	13
13	26	13
14	26	13
15	26	14
16	26	14
17	27	14
18	27	14
19	27	14
20	27	14
21	27	14
22	27	14
23	27	14
24	27	14
25	27	14
26	27	14
27	27	15
28	27	15
29	27	15
30	27	15

Ihosy weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 19°	225	18.3	13.2	4.7
Feb	28° / 19°	145	14.7	12.8	5.3
Mar	28° / 19°	89	11.9	12.2	6.1
Apr	27° / 17°	34	5.8	11.5	7.4
May	25° / 15°	12	2.5	10.9	8.5
Jun	23° / 13°	5	1.1	10.7	8.7
Jul	22° / 12°	7	1.2	10.8	8.5
Aug	24° / 12°	3	0.7	11.2	9.1
Sep	26° / 14°	5	1.3	11.9	8.7
Oct	28° / 16°	34	5.2	12.5	7.1
Nov	29° / 18°	76	9	13.1	5.7
Dec	29° / 19°	173	16.4	13.3	4.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 9%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	91	92	92	92	92	92	92	92	91	91	91	91	91	91	91	91	91	92	92	92	92	92	90	90	90	90	89	89	88	88
Cloudier (%)	9	8	8	8	8	8	8	8	9	9	9	9	9	9	9	9	9	8	8	8	8	8	10	10	10	10	11	11	12	12

	Clearer (%)	Cloudier (%)
1	91	9
2	92	8
3	92	8
4	92	8
5	92	8
6	92	8
7	92	8
8	92	8
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	91	9
15	91	9
16	91	9
17	91	9
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	90	10
24	90	10
25	90	10
26	90	10
27	89	11
28	89	11
29	88	12
30	88	12

Chance of precipitation in September

Any precipitation

Ihosy gets around 5 mm of rain over 1.3 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 5% and peaks near 8% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	5	5	5	6	6	6	7	7	8	8	8	8

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	5
20	5
21	5
22	6
23	6
24	6
25	7
26	7
27	8
28	8
29	8
30	8

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	73	72	72	72	71	71	70	70	69	67	66	65	63	62	60	59	56	55	53	52	49	47	46	44	43	41	40	39	39	38
Comfortable (%)	26	27	27	27	28	28	29	29	30	31	32	33	35	36	38	39	41	42	44	45	47	48	50	51	51	53	53	54	53	53
Humid (%)	1	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	3	3	3	3	4	4	5	5	6	6	7	7	8	9

	Dry (%)	Comfortable (%)	Humid (%)
1	73	26	1
2	72	27	1
3	72	27	1
4	72	27	1
5	71	28	1
6	71	28	1
7	70	29	1
8	70	29	1
9	69	30	1
10	67	31	2
11	66	32	2
12	65	33	2
13	63	35	2
14	62	36	2
15	60	38	2
16	59	39	2
17	56	41	3
18	55	42	3
19	53	44	3
20	52	45	3
21	49	47	4
22	47	48	4
23	46	50	5
24	44	51	5
25	43	51	6
26	41	53	6
27	40	53	7
28	39	54	7
29	39	53	8
30	38	53	9

Wind in September

Winds average 12 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	12	light breeze
2	12	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	light 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 6:09 AM to 5:39 AM, and sunset from 5:42 PM to 5:50 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.5	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.2	12.2
Sunrise (AM)	6:09	6:08	6:07	6:06	6:05	6:04	6:03	6:02	6:01	6:00	5:59	5:58	5:57	5:56	5:55	5:54	5:53	5:52	5:51	5:49	5:48	5:47	5:46	5:45	5:44	5:43	5:42	5:41	5:40	5:39
Sunset (PM)	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:44	5:44	5:44	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:48	5:48	5:48	5:49	5:49	5:49	5:50	5:50	5:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.5	6:09	5:42
2	11.6	6:08	5:42
3	11.6	6:07	5:42
4	11.6	6:06	5:42
5	11.6	6:05	5:43
6	11.7	6:04	5:43
7	11.7	6:03	5:43
8	11.7	6:02	5:44
9	11.7	6:01	5:44
10	11.7	6:00	5:44
11	11.8	5:59	5:45
12	11.8	5:58	5:45
13	11.8	5:57	5:45
14	11.8	5:56	5:45
15	11.9	5:55	5:46
16	11.9	5:54	5:46
17	11.9	5:53	5:46
18	11.9	5:52	5:47
19	11.9	5:51	5:47
20	12.0	5:49	5:47
21	12.0	5:48	5:47
22	12.0	5:47	5:48
23	12.0	5:46	5:48
24	12.0	5:45	5:48
25	12.1	5:44	5:49
26	12.1	5:43	5:49
27	12.1	5:42	5:49
28	12.1	5:41	5:50
29	12.2	5:40	5:50
30	12.2	5:39	5:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.18 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 7.02 kWh/m² in November across the year — September's 6.18 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.7	5.7	5.7	5.8	5.8	5.9	5.9	6.0	6.0	6.0	6.1	6.1	6.1	6.2	6.2	6.2	6.3	6.3	6.3	6.3	6.4	6.4	6.4	6.5	6.5	6.5	6.5	6.5	6.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.8	Bright
6	5.8	Bright
7	5.9	Bright
8	5.9	Bright
9	6.0	Bright
10	6.0	Bright
11	6.0	Intense
12	6.1	Intense
13	6.1	Intense
14	6.1	Intense
15	6.2	Intense
16	6.2	Intense
17	6.2	Intense
18	6.3	Intense
19	6.3	Intense
20	6.3	Intense
21	6.3	Intense
22	6.4	Intense
23	6.4	Intense
24	6.4	Intense
25	6.5	Intense
26	6.5	Intense
27	6.5	Intense
28	6.5	Intense
29	6.5	Intense
30	6.6	Intense

Planning a trip in September

Hazard calendar for Ihosy

In seasonPeak

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

Ihosy's monsoon runs December–February, 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 Ihosy?

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

8.7

Sightseeing

2nd-best month of the year

8.3

Beach & pool

1st-best month of the year

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

What to pack for Ihosy in September

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

In September, Ihosy sees daytime highs around 26°C and nights near 14°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Ihosy in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ihosy peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 6 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	17	13	10	7	6	7	8	9	12	13	15
Level	Extreme	Extreme	Extreme	Very high	Very high	High	High	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	17	Extreme
Mar	13	Extreme
Apr	10	Very high
May	7	Very high
Jun	6	High
Jul	7	High
Aug	8	Very high
Sep	9	Very high
Oct	12	Extreme
Nov	13	Extreme
Dec	15	Extreme

Air quality in Ihosy 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 Ihosy is worst in October — around 18 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (January, 3 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	3	3	3	4	7	6	8	12	15	18	14	5
Level	Good	Good	Good	Good	Good	Good	Good	Good	Moderate	Moderate	Moderate	Good

	PM2.5 (µg/m³)	Level
Jan	3	Good
Feb	3	Good
Mar	3	Good
Apr	4	Good
May	7	Good
Jun	6	Good
Jul	8	Good
Aug	12	Good
Sep	15	Moderate
Oct	18	Moderate
Nov	14	Moderate
Dec	5	Good

Location & terrain

Where is Ihosy?

Ihosy sits at 22.4°S, 46.1°E, 733 m above sea level, in Madagascar. The nearest listed city is Ivohibe, 78 km away.

Topography around Ihosy

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

Within 3 km, the terrain around Ihosy has significant variations in elevation — a maximum elevation change of 357 m around an average of 763 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,163 m.

The land around Ihosy is covered by grassland (66%) and cropland (23%) within 3 km, grassland (85%) within 16 km, and grassland (94%) within 80 km.

3 km

357 m

grassland 66%

16 km

591 m

grassland 85%

80 km

2,163 m

grassland 94%

treesshrubsgrasslandcroplandartificial surfaceswater

← August Ihosy year-round climate October →Best places to visit in September

September weather nearby: Ivohibe 78 km · Betroka 96 km · Ambalavao 105 km · Vondrozo 127 km · Beroroha 128 km · Fianarantsoa 145 km · Ikongo 147 km · Ikalamavony 147 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

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 Ihosy (-22.4029°, 46.1258°, elevation 733 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).

	Avg high (°C)	Avg low (°C)
1	25	13
2	25	13
3	25	13
4	25	13
5	25	13
6	25	13
7	25	13
8	26	13
9	26	13
10	26	13
11	26	13
12	26	13
13	26	13
14	26	13
15	26	14
16	26	14
17	27	14
18	27	14
19	27	14
20	27	14
21	27	14
22	27	14
23	27	14
24	27	14
25	27	14
26	27	14
27	27	15
28	27	15
29	27	15
30	27	15

	Clearer (%)	Cloudier (%)
1	91	9
2	92	8
3	92	8
4	92	8
5	92	8
6	92	8
7	92	8
8	92	8
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	91	9
15	91	9
16	91	9
17	91	9
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	90	10
24	90	10
25	90	10
26	90	10
27	89	11
28	89	11
29	88	12
30	88	12

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	5
20	5
21	5
22	6
23	6
24	6
25	7
26	7
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)	Humid (%)
1	73	26	1
2	72	27	1
3	72	27	1
4	72	27	1
5	71	28	1
6	71	28	1
7	70	29	1
8	70	29	1
9	69	30	1
10	67	31	2
11	66	32	2
12	65	33	2
13	63	35	2
14	62	36	2
15	60	38	2
16	59	39	2
17	56	41	3
18	55	42	3
19	53	44	3
20	52	45	3
21	49	47	4
22	47	48	4
23	46	50	5
24	44	51	5
25	43	51	6
26	41	53	6
27	40	53	7
28	39	54	7
29	39	53	8
30	38	53	9

	Avg high (°C)	Avg low (°C)
1	25	13
2	25	13
3	25	13
4	25	13
5	25	13
6	25	13
7	25	13
8	26	13
9	26	13
10	26	13
11	26	13
12	26	13
13	26	13
14	26	13
15	26	14
16	26	14
17	27	14
18	27	14
19	27	14
20	27	14
21	27	14
22	27	14
23	27	14
24	27	14
25	27	14
26	27	14
27	27	15
28	27	15
29	27	15
30	27	15

	Clearer (%)	Cloudier (%)
1	91	9
2	92	8
3	92	8
4	92	8
5	92	8
6	92	8
7	92	8
8	92	8
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	91	9
15	91	9
16	91	9
17	91	9
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	90	10
24	90	10
25	90	10
26	90	10
27	89	11
28	89	11
29	88	12
30	88	12

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	5
20	5
21	5
22	6
23	6
24	6
25	7
26	7
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)	Humid (%)
1	73	26	1
2	72	27	1
3	72	27	1
4	72	27	1
5	71	28	1
6	71	28	1
7	70	29	1
8	70	29	1
9	69	30	1
10	67	31	2
11	66	32	2
12	65	33	2
13	63	35	2
14	62	36	2
15	60	38	2
16	59	39	2
17	56	41	3
18	55	42	3
19	53	44	3
20	52	45	3
21	49	47	4
22	47	48	4
23	46	50	5
24	44	51	5
25	43	51	6
26	41	53	6
27	40	53	7
28	39	54	7
29	39	53	8
30	38	53	9

	Avg high (°C)	Avg low (°C)
1	25	13
2	25	13
3	25	13
4	25	13
5	25	13
6	25	13
7	25	13
8	26	13
9	26	13
10	26	13
11	26	13
12	26	13
13	26	13
14	26	13
15	26	14
16	26	14
17	27	14
18	27	14
19	27	14
20	27	14
21	27	14
22	27	14
23	27	14
24	27	14
25	27	14
26	27	14
27	27	15
28	27	15
29	27	15
30	27	15

	Clearer (%)	Cloudier (%)
1	91	9
2	92	8
3	92	8
4	92	8
5	92	8
6	92	8
7	92	8
8	92	8
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	91	9
15	91	9
16	91	9
17	91	9
18	92	8
19	92	8
20	92	8
21	92	8
22	92	8
23	90	10
24	90	10
25	90	10
26	90	10
27	89	11
28	89	11
29	88	12
30	88	12

	Rain chance (%)
1	3
2	3
3	3
4	3
5	3
6	3
7	3
8	3
9	3
10	3
11	3
12	4
13	4
14	4
15	4
16	4
17	4
18	4
19	5
20	5
21	5
22	6
23	6
24	6
25	7
26	7
27	8
28	8
29	8
30	8

	Dry (%)	Comfortable (%)	Humid (%)
1	73	26	1
2	72	27	1
3	72	27	1
4	72	27	1
5	71	28	1
6	71	28	1
7	70	29	1
8	70	29	1
9	69	30	1
10	67	31	2
11	66	32	2
12	65	33	2
13	63	35	2
14	62	36	2
15	60	38	2
16	59	39	2
17	56	41	3
18	55	42	3
19	53	44	3
20	52	45	3
21	49	47	4
22	47	48	4
23	46	50	5
24	44	51	5
25	43	51	6
26	41	53	6
27	40	53	7
28	39	54	7
29	39	53	8
30	38	53	9