Mahanoro weather in September
In September, Mahanoro sees average daytime highs of 24°C and overnight lows near 19°C, with 59 mm of rain across 12 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 24°C through the month. The sky is clear or mostly clear about 58% of the time in September, and the air most often feels muggy.
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 Mahanoro's 1st-clearest and 6th-windiest month. For the whole year in context, see Mahanoro's year-round climate.
- Daytime high
- 24°
- 9th warmest
- Overnight low
- 19°
- 3rd coldest
- Rainfall
- 59 mm
- 12 wet days
- Daylight
- 11 h 54 min
- 5:42 AM – 5:36 PM
- Cloud cover
- 38%
- 1st clearest
- Wind
- 10 km/h
- 6th windiest
- Solar energy
- 5.41 kWh/m²
- Travel score
- 7.0
- out of 10
Mahanoro is place in Atsinanana, Madagascar.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 24°C through the month.
A typical September day in Mahanoro reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 19 |
| 2 | 24 | 19 |
| 3 | 24 | 19 |
| 4 | 24 | 19 |
| 5 | 24 | 19 |
| 6 | 24 | 19 |
| 7 | 24 | 19 |
| 8 | 24 | 19 |
| 9 | 24 | 19 |
| 10 | 24 | 19 |
| 11 | 24 | 19 |
| 12 | 24 | 19 |
| 13 | 24 | 19 |
| 14 | 24 | 19 |
| 15 | 24 | 19 |
| 16 | 24 | 19 |
| 17 | 24 | 19 |
| 18 | 24 | 20 |
| 19 | 25 | 20 |
| 20 | 25 | 20 |
| 21 | 25 | 20 |
| 22 | 25 | 20 |
| 23 | 25 | 20 |
| 24 | 25 | 20 |
| 25 | 25 | 20 |
| 26 | 25 | 20 |
| 27 | 25 | 20 |
| 28 | 25 | 20 |
| 29 | 25 | 20 |
| 30 | 25 | 20 |
How September really feels in Mahanoro
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.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mahanoro 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 315 | 24.6 | 13.1 | 3.7 |
| Feb | 29° / 24° | 309 | 23.3 | 12.7 | 3.6 |
| Mar | 28° / 24° | 319 | 25.1 | 12.1 | 4.0 |
| Apr | 27° / 23° | 175 | 20.5 | 11.6 | 5.0 |
| May | 25° / 21° | 200 | 19.8 | 11.1 | 5.5 |
| Jun | 24° / 20° | 121 | 17.8 | 10.8 | 5.9 |
| Jul | 23° / 19° | 123 | 19.3 | 10.9 | 5.6 |
| Aug | 23° / 19° | 75 | 15 | 11.3 | 6.5 |
| Sep | 24° / 19° | 59 | 12 | 11.9 | 7.0 |
| Oct | 26° / 21° | 79 | 12.2 | 12.5 | 6.6 |
| Nov | 27° / 23° | 91 | 12.2 | 12.9 | 6.2 |
| Dec | 28° / 24° | 190 | 18.7 | 13.2 | 4.7 |
Cloud cover in September
The sky is clear or mostly clear about 58% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 17%.
| 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 (%) | 84 | 84 | 84 | 84 | 84 | 84 | 83 | 83 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 84 | 83 | 83 |
| Cloudier (%) | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 84 | 16 |
| 2 | 84 | 16 |
| 3 | 84 | 16 |
| 4 | 84 | 16 |
| 5 | 84 | 16 |
| 6 | 84 | 16 |
| 7 | 83 | 17 |
| 8 | 83 | 17 |
| 9 | 82 | 18 |
| 10 | 82 | 18 |
| 11 | 82 | 18 |
| 12 | 82 | 18 |
| 13 | 81 | 19 |
| 14 | 81 | 19 |
| 15 | 81 | 19 |
| 16 | 82 | 18 |
| 17 | 82 | 18 |
| 18 | 82 | 18 |
| 19 | 83 | 17 |
| 20 | 83 | 17 |
| 21 | 83 | 17 |
| 22 | 83 | 17 |
| 23 | 84 | 16 |
| 24 | 84 | 16 |
| 25 | 84 | 16 |
| 26 | 84 | 16 |
| 27 | 84 | 16 |
| 28 | 84 | 16 |
| 29 | 83 | 17 |
| 30 | 83 | 17 |
Chance of precipitation in September
Mahanoro gets around 59 mm of rain over 12 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 40% and peaks near 47% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 47 | 47 | 47 | 47 | 46 | 46 | 45 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 35 | 35 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 47 |
| 2 | 47 |
| 3 | 47 |
| 4 | 47 |
| 5 | 46 |
| 6 | 46 |
| 7 | 45 |
| 8 | 45 |
| 9 | 44 |
| 10 | 43 |
| 11 | 42 |
| 12 | 41 |
| 13 | 40 |
| 14 | 39 |
| 15 | 39 |
| 16 | 38 |
| 17 | 37 |
| 18 | 37 |
| 19 | 36 |
| 20 | 36 |
| 21 | 35 |
| 22 | 35 |
| 23 | 35 |
| 24 | 34 |
| 25 | 34 |
| 26 | 34 |
| 27 | 34 |
| 28 | 35 |
| 29 | 35 |
| 30 | 36 |
Humidity in September
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 49% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 61 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 53 | 52 | 51 | 49 | 48 | 47 | 46 | 44 | 43 | 42 | 40 | 39 | 38 | 37 | 35 | 34 | 33 | 32 | 31 | 30 | 29 |
| Muggy (%) | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 41 | 42 | 43 | 45 | 46 | 47 | 48 | 51 | 51 | 52 | 55 | 56 | 57 | 59 | 60 | 61 | 63 | 63 | 64 | 64 | 65 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 6 | 61 | 33 | 0 |
| 2 | 6 | 60 | 34 | 0 |
| 3 | 6 | 59 | 35 | 0 |
| 4 | 6 | 58 | 36 | 0 |
| 5 | 6 | 57 | 37 | 0 |
| 6 | 6 | 56 | 38 | 0 |
| 7 | 6 | 55 | 39 | 0 |
| 8 | 6 | 54 | 40 | 0 |
| 9 | 6 | 53 | 41 | 0 |
| 10 | 6 | 53 | 41 | 0 |
| 11 | 6 | 52 | 42 | 0 |
| 12 | 6 | 51 | 43 | 0 |
| 13 | 6 | 49 | 45 | 0 |
| 14 | 6 | 48 | 46 | 0 |
| 15 | 6 | 47 | 47 | 0 |
| 16 | 6 | 46 | 48 | 0 |
| 17 | 5 | 44 | 51 | 0 |
| 18 | 5 | 43 | 51 | 1 |
| 19 | 5 | 42 | 52 | 1 |
| 20 | 4 | 40 | 55 | 1 |
| 21 | 4 | 39 | 56 | 1 |
| 22 | 4 | 38 | 57 | 1 |
| 23 | 3 | 37 | 59 | 1 |
| 24 | 3 | 35 | 60 | 2 |
| 25 | 3 | 34 | 61 | 2 |
| 26 | 2 | 33 | 63 | 2 |
| 27 | 2 | 32 | 63 | 3 |
| 28 | 2 | 31 | 64 | 3 |
| 29 | 2 | 30 | 64 | 4 |
| 30 | 2 | 29 | 65 | 4 |
Wind in September
Winds average 10 km/h in September.
Across September, daily wind ranges from about 9 km/h on the calmest days to 11 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) | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in September
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 5:56 AM to 5:29 AM, and sunset from 5:33 PM to 5:39 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) | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 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 | 12.1 | 12.2 |
| Sunrise (AM) | 5:56 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:42 | 5:41 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 |
| Sunset (PM) | 5:33 | 5:33 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 5:56 | 5:33 |
| 2 | 11.6 | 5:56 | 5:33 |
| 3 | 11.6 | 5:55 | 5:33 |
| 4 | 11.7 | 5:54 | 5:33 |
| 5 | 11.7 | 5:53 | 5:33 |
| 6 | 11.7 | 5:52 | 5:34 |
| 7 | 11.7 | 5:51 | 5:34 |
| 8 | 11.7 | 5:50 | 5:34 |
| 9 | 11.8 | 5:49 | 5:34 |
| 10 | 11.8 | 5:48 | 5:35 |
| 11 | 11.8 | 5:47 | 5:35 |
| 12 | 11.8 | 5:46 | 5:35 |
| 13 | 11.8 | 5:45 | 5:35 |
| 14 | 11.8 | 5:44 | 5:35 |
| 15 | 11.9 | 5:43 | 5:36 |
| 16 | 11.9 | 5:42 | 5:36 |
| 17 | 11.9 | 5:42 | 5:36 |
| 18 | 11.9 | 5:41 | 5:36 |
| 19 | 11.9 | 5:40 | 5:36 |
| 20 | 12.0 | 5:39 | 5:37 |
| 21 | 12.0 | 5:38 | 5:37 |
| 22 | 12.0 | 5:37 | 5:37 |
| 23 | 12.0 | 5:36 | 5:37 |
| 24 | 12.0 | 5:35 | 5:37 |
| 25 | 12.1 | 5:34 | 5:38 |
| 26 | 12.1 | 5:33 | 5:38 |
| 27 | 12.1 | 5:32 | 5:38 |
| 28 | 12.1 | 5:31 | 5:38 |
| 29 | 12.1 | 5:30 | 5:39 |
| 30 | 12.2 | 5:29 | 5:39 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.41 kWh/m².
For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.65 kWh/m² in November across the year — September's 5.41 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) | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.0 | Bright |
| 5 | 5.0 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.4 | Bright |
| 16 | 5.4 | Bright |
| 17 | 5.4 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.6 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.7 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Mahanoro
None of Mahanoro's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Mahanoro sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Mahanoro's rainy season runs December–May, when most of the year's rain falls.
Is September a good time to visit Mahanoro?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Mahanoro for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mahanoro in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Mahanoro sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.
Sea temperature near Mahanoro 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 29°C and coldest in August near 24°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 24 | 25 | 26 | 28 |
| Comfort | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 28 | Tropical |
| Apr | 28 | Warm |
| May | 27 | Warm |
| Jun | 26 | Warm |
| Jul | 25 | Warm |
| Aug | 24 | Warm |
| Sep | 24 | Warm |
| Oct | 25 | Warm |
| Nov | 26 | Warm |
| Dec | 28 | Warm |
UV index in Mahanoro in September
Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mahanoro peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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) | 14 | 16 | 13 | 10 | 8 | 6 | 7 | 8 | 10 | 11 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 8 | Very high |
| Jun | 6 | High |
| Jul | 7 | High |
| Aug | 8 | Very high |
| Sep | 10 | Extreme |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Mahanoro in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Mahanoro is worst in October — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 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) | 7 | 6 | 6 | 6 | 8 | 8 | 7 | 8 | 8 | 24 | 18 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 6 | Good |
| Mar | 6 | Good |
| Apr | 6 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 7 | Good |
| Aug | 8 | Good |
| Sep | 8 | Good |
| Oct | 24 | Moderate |
| Nov | 18 | Moderate |
| Dec | 8 | Good |
Where is Mahanoro?
Mahanoro sits at 19.9°S, 48.8°E, 3 m above sea level, in Madagascar. The nearest listed city is Vatomandry, 66 km away.
Topography around Mahanoro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mahanoro.
Within 3 km, the terrain around Mahanoro has only modest variations in elevation — a maximum elevation change of 42 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 1,147 m.
The land around Mahanoro is covered by shrubs (28%), trees (27%) and water (23%) within 3 km, water (50%) and trees (32%) within 16 km, and water (35%) and trees (34%) within 80 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 Mahanoro (-19.9°, 48.8°, elevation 3 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. 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).