Niamey weather in September
In September, Niamey sees average daytime highs of 34°C and overnight lows near 25°C, with 45 mm of rain across 6.6 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.
Highs climb over the month, from about 33°C in the first days to 36°C by the end. The sky is clear or mostly clear about 47% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Niamey's 10th-clearest and 11th-windiest month. For the whole year in context, see Niamey's year-round climate.
- Daytime high
- 34°
- 7th warmest
- Overnight low
- 25°
- 8th coldest
- Rainfall
- 45 mm
- 6.6 wet days
- Daylight
- 12 h 06 min
- 6:44 AM – 6:48 PM
- Cloud cover
- 47%
- 10th clearest
- Wind
- 11 km/h
- 11th windiest
- Solar energy
- 6.31 kWh/m²
- Travel score
- 3.1
- out of 10
Niamey is capital of Niger.
- Founded
- 1901
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs climb over the month, from about 33°C in the first days to 36°C by the end.
A typical September day in Niamey reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°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) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 25 |
| 2 | 33 | 25 |
| 3 | 33 | 25 |
| 4 | 33 | 25 |
| 5 | 33 | 25 |
| 6 | 33 | 25 |
| 7 | 33 | 25 |
| 8 | 33 | 25 |
| 9 | 33 | 25 |
| 10 | 33 | 25 |
| 11 | 34 | 25 |
| 12 | 34 | 25 |
| 13 | 34 | 25 |
| 14 | 34 | 25 |
| 15 | 34 | 25 |
| 16 | 34 | 25 |
| 17 | 34 | 25 |
| 18 | 35 | 25 |
| 19 | 35 | 25 |
| 20 | 35 | 25 |
| 21 | 35 | 25 |
| 22 | 35 | 26 |
| 23 | 35 | 26 |
| 24 | 36 | 26 |
| 25 | 36 | 26 |
| 26 | 36 | 26 |
| 27 | 36 | 26 |
| 28 | 36 | 26 |
| 29 | 36 | 26 |
| 30 | 36 | 26 |
How September really feels in Niamey
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Niamey weather by month
How September compares with the rest of the year at a glance. September is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 17° | 0 | 0 | 11.3 | 5.9 |
| Feb | 34° / 20° | 0 | 0 | 11.6 | 3.8 |
| Mar | 38° / 24° | 1 | 0.4 | 11.9 | 1.3 |
| Apr | 40° / 27° | 2 | 0.6 | 12.3 | 0.0 |
| May | 40° / 29° | 8 | 2.3 | 12.6 | 0.2 |
| Jun | 37° / 28° | 21 | 5.2 | 12.8 | 1.6 |
| Jul | 34° / 26° | 61 | 10.8 | 12.7 | 2.9 |
| Aug | 32° / 25° | 122 | 15.2 | 12.4 | 3.4 |
| Sep | 34° / 25° | 45 | 6.6 | 12.1 | 3.1 |
| Oct | 37° / 25° | 9 | 1.9 | 11.7 | 1.7 |
| Nov | 36° / 20° | 0 | 0 | 11.4 | 2.7 |
| Dec | 32° / 18° | 0 | 0 | 11.2 | 5.0 |
Cloud cover in September
The sky is clear or mostly clear about 47% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.
| 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 (%) | 47 | 49 | 50 | 51 | 53 | 54 | 55 | 56 | 58 | 58 | 59 | 60 | 62 | 63 | 64 | 66 | 66 | 67 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 75 | 75 | 76 | 76 | 76 |
| Cloudier (%) | 53 | 51 | 50 | 49 | 47 | 46 | 45 | 44 | 42 | 42 | 41 | 40 | 38 | 37 | 36 | 34 | 34 | 33 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 47 | 53 |
| 2 | 49 | 51 |
| 3 | 50 | 50 |
| 4 | 51 | 49 |
| 5 | 53 | 47 |
| 6 | 54 | 46 |
| 7 | 55 | 45 |
| 8 | 56 | 44 |
| 9 | 58 | 42 |
| 10 | 58 | 42 |
| 11 | 59 | 41 |
| 12 | 60 | 40 |
| 13 | 62 | 38 |
| 14 | 63 | 37 |
| 15 | 64 | 36 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 67 | 33 |
| 19 | 69 | 31 |
| 20 | 70 | 30 |
| 21 | 71 | 29 |
| 22 | 72 | 28 |
| 23 | 73 | 27 |
| 24 | 74 | 26 |
| 25 | 75 | 25 |
| 26 | 75 | 25 |
| 27 | 75 | 25 |
| 28 | 76 | 24 |
| 29 | 76 | 24 |
| 30 | 76 | 24 |
Chance of precipitation in September
Niamey gets around 45 mm of rain over 6.6 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 23% and peaks near 41% 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 (%) | 41 | 40 | 38 | 36 | 35 | 33 | 32 | 30 | 29 | 28 | 27 | 26 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 10 |
| Rain chance (%) | |
|---|---|
| 1 | 41 |
| 2 | 40 |
| 3 | 38 |
| 4 | 36 |
| 5 | 35 |
| 6 | 33 |
| 7 | 32 |
| 8 | 30 |
| 9 | 29 |
| 10 | 28 |
| 11 | 27 |
| 12 | 26 |
| 13 | 24 |
| 14 | 23 |
| 15 | 22 |
| 16 | 21 |
| 17 | 20 |
| 18 | 19 |
| 19 | 18 |
| 20 | 17 |
| 21 | 16 |
| 22 | 15 |
| 23 | 15 |
| 24 | 14 |
| 25 | 13 |
| 26 | 12 |
| 27 | 12 |
| 28 | 11 |
| 29 | 11 |
| 30 | 10 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 |
| Muggy (%) | 0 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 14 | 15 | 17 | 19 | 21 | 23 | 25 | 27 | 29 | 31 | 33 | 34 | 36 | 38 |
| Oppressive (%) | 96 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 86 | 84 | 83 | 81 | 78 | 77 | 75 | 73 | 71 | 67 | 65 | 63 | 62 | 58 | 56 |
| Miserable (%) | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 96 | 4 |
| 2 | 0 | 0 | 1 | 95 | 4 |
| 3 | 0 | 0 | 1 | 95 | 4 |
| 4 | 0 | 0 | 1 | 95 | 4 |
| 5 | 0 | 0 | 2 | 94 | 4 |
| 6 | 0 | 0 | 2 | 94 | 4 |
| 7 | 0 | 0 | 3 | 94 | 3 |
| 8 | 0 | 0 | 3 | 94 | 3 |
| 9 | 0 | 0 | 4 | 93 | 3 |
| 10 | 0 | 0 | 5 | 92 | 3 |
| 11 | 0 | 0 | 6 | 91 | 3 |
| 12 | 0 | 0 | 7 | 90 | 3 |
| 13 | 0 | 0 | 8 | 89 | 3 |
| 14 | 0 | 0 | 9 | 88 | 3 |
| 15 | 0 | 0 | 11 | 87 | 2 |
| 16 | 0 | 0 | 12 | 86 | 2 |
| 17 | 0 | 0 | 14 | 84 | 2 |
| 18 | 0 | 0 | 15 | 83 | 2 |
| 19 | 0 | 0 | 17 | 81 | 2 |
| 20 | 0 | 1 | 19 | 78 | 2 |
| 21 | 0 | 1 | 21 | 77 | 1 |
| 22 | 0 | 1 | 23 | 75 | 1 |
| 23 | 0 | 1 | 25 | 73 | 1 |
| 24 | 0 | 1 | 27 | 71 | 1 |
| 25 | 1 | 2 | 29 | 67 | 1 |
| 26 | 1 | 2 | 31 | 65 | 1 |
| 27 | 1 | 3 | 33 | 63 | 0 |
| 28 | 1 | 3 | 34 | 62 | 0 |
| 29 | 2 | 4 | 36 | 58 | 0 |
| 30 | 2 | 4 | 38 | 56 | 0 |
Wind in September
Winds average 11 km/h in September.
Across September, daily wind ranges from about 11 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | 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 12 h 18 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over September. Sunrise moves from 6:43 AM to 6:44 AM, and sunset from 6:59 PM to 6:38 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) | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 | 6:44 |
| Sunset (PM) | 6:59 | 6:58 | 6:58 | 6:57 | 6:56 | 6:56 | 6:55 | 6:54 | 6:53 | 6:53 | 6:52 | 6:51 | 6:50 | 6:50 | 6:49 | 6:48 | 6:47 | 6:47 | 6:46 | 6:45 | 6:44 | 6:44 | 6:43 | 6:42 | 6:41 | 6:41 | 6:40 | 6:39 | 6:38 | 6:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:43 | 6:59 |
| 2 | 12.3 | 6:43 | 6:58 |
| 3 | 12.2 | 6:43 | 6:58 |
| 4 | 12.2 | 6:43 | 6:57 |
| 5 | 12.2 | 6:43 | 6:56 |
| 6 | 12.2 | 6:43 | 6:56 |
| 7 | 12.2 | 6:44 | 6:55 |
| 8 | 12.2 | 6:44 | 6:54 |
| 9 | 12.2 | 6:44 | 6:53 |
| 10 | 12.2 | 6:44 | 6:53 |
| 11 | 12.1 | 6:44 | 6:52 |
| 12 | 12.1 | 6:44 | 6:51 |
| 13 | 12.1 | 6:44 | 6:50 |
| 14 | 12.1 | 6:44 | 6:50 |
| 15 | 12.1 | 6:44 | 6:49 |
| 16 | 12.1 | 6:44 | 6:48 |
| 17 | 12.1 | 6:44 | 6:47 |
| 18 | 12.0 | 6:44 | 6:47 |
| 19 | 12.0 | 6:44 | 6:46 |
| 20 | 12.0 | 6:44 | 6:45 |
| 21 | 12.0 | 6:44 | 6:44 |
| 22 | 12.0 | 6:44 | 6:44 |
| 23 | 12.0 | 6:44 | 6:43 |
| 24 | 12.0 | 6:44 | 6:42 |
| 25 | 12.0 | 6:44 | 6:41 |
| 26 | 11.9 | 6:44 | 6:41 |
| 27 | 11.9 | 6:44 | 6:40 |
| 28 | 11.9 | 6:44 | 6:39 |
| 29 | 11.9 | 6:44 | 6:38 |
| 30 | 11.9 | 6:44 | 6:38 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.31 kWh/m².
For context, solar energy here swings from a low near 5.65 kWh/m² to a high of 7.04 kWh/m² in April across the year — September's 6.31 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) | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| Level | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | 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 | 6.0 | Bright |
| 2 | 6.0 | Bright |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.2 | Intense |
| 12 | 6.2 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.4 | Intense |
| 28 | 6.4 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
Hazard calendar for Niamey
In September, Niamey sits inside its dust season. The full year is below, with each hazard's peak months called out.
Niamey sees seasonal dust haze (January–July), heaviest in March.
Is September a good time to visit Niamey?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Niamey. The water and warmth also suit a beach or pool day.
What to pack for Niamey in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Niamey sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. About 7 days see rain.
UV index in Niamey in September
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 Niamey peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very 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) | 10 | 11 | 13 | 10 | 10 | 10 | 10 | 13 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Niamey 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 Niamey is worst in February — around 97 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 20 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) | 87 | 97 | 96 | 74 | 46 | 34 | 22 | 20 | 26 | 48 | 62 | 77 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 87 | Unhealthy |
| Feb | 97 | Unhealthy |
| Mar | 96 | Unhealthy |
| Apr | 74 | Unhealthy |
| May | 46 | Poor |
| Jun | 34 | Moderate |
| Jul | 22 | Moderate |
| Aug | 20 | Moderate |
| Sep | 26 | Moderate |
| Oct | 48 | Poor |
| Nov | 62 | Unhealthy |
| Dec | 77 | Unhealthy |
Where is Niamey?
Niamey sits at 13.5°N, 2.1°E, 206 m above sea level, in Niger. The nearest listed city is Youri Kourtéré, 25 km away.
Topography around Niamey
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Niamey.
Within 3 km, the terrain around Niamey has only modest variations in elevation — a maximum elevation change of 52 m around an average of 203 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, only modest variations in elevation — a maximum elevation change of 136 m.
The land around Niamey is covered by artificial surfaces (69%) within 3 km, grassland (42%) and bare terrain (26%) within 16 km, and grassland (64%) and bare terrain (20%) within 80 km.
Niger travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type A / B / C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 36% of US
- price level, 2025
- GDP per capita
- $775
- 2025
- Happiness
- 4.9 / 10
- World Happiness, 2025
- Homicide rate
- 4.4
- per 100k, 2012
- Road deaths
- 25.5
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- 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 Niamey (13.5137°, 2.1098°, elevation 206 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).