Arlit weather in September
In September, Arlit sees average daytime highs of 40°C and overnight lows near 27°C, with 4 mm of rain across 1.6 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 40°C through the month. The sky is clear or mostly clear about 80% of the time in September, and the air most often feels dry.
Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Arlit's 4th-clearest and 8th-windiest month. For the whole year in context, see Arlit's year-round climate.
- Daytime high
- 40°
- 4th warmest
- Overnight low
- 27°
- 8th coldest
- Rainfall
- 4 mm
- 1.6 wet days
- Daylight
- 12 h 06 min
- 6:22 AM – 6:28 PM
- Cloud cover
- 23%
- 4th clearest
- Wind
- 12 km/h
- 8th windiest
- Solar energy
- 6.85 kWh/m²
- Travel score
- 0.1
- out of 10
Arlit is urban commune in Niger.
- Density
- 170/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 40°C through the month.
A typical September day in Arlit reaches about 40°C in the afternoon and slips back to 27°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 42°C. Set against its neighbours, September runs on par with August and about 2°C warmer 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) | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 40 | 27 |
| 2 | 40 | 27 |
| 3 | 40 | 27 |
| 4 | 40 | 27 |
| 5 | 40 | 27 |
| 6 | 40 | 27 |
| 7 | 40 | 27 |
| 8 | 40 | 27 |
| 9 | 40 | 27 |
| 10 | 40 | 27 |
| 11 | 40 | 27 |
| 12 | 40 | 27 |
| 13 | 40 | 27 |
| 14 | 40 | 27 |
| 15 | 40 | 27 |
| 16 | 40 | 27 |
| 17 | 40 | 27 |
| 18 | 40 | 27 |
| 19 | 40 | 27 |
| 20 | 40 | 27 |
| 21 | 40 | 27 |
| 22 | 40 | 27 |
| 23 | 40 | 27 |
| 24 | 40 | 27 |
| 25 | 40 | 27 |
| 26 | 40 | 26 |
| 27 | 40 | 26 |
| 28 | 40 | 26 |
| 29 | 40 | 26 |
| 30 | 40 | 26 |
How September really feels in Arlit
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.
Arlit weather by month
How September compares with the rest of the year at a glance. September is the 4th-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 | 28° / 12° | 0 | 0 | 11 | 8.1 |
| Feb | 31° / 15° | 0 | 0 | 11.4 | 6.1 |
| Mar | 35° / 19° | 0 | 0 | 11.9 | 3.2 |
| Apr | 40° / 24° | 0 | 0 | 12.4 | 0.5 |
| May | 42° / 28° | 1 | 0.4 | 12.9 | 0.0 |
| Jun | 42° / 29° | 2 | 0.7 | 13.1 | 0.0 |
| Jul | 40° / 28° | 5 | 1.8 | 13 | 0.0 |
| Aug | 40° / 28° | 16 | 4.4 | 12.6 | 0.3 |
| Sep | 40° / 27° | 4 | 1.6 | 12.1 | 0.1 |
| Oct | 38° / 24° | 0 | 0.1 | 11.6 | 1.5 |
| Nov | 33° / 17° | 0 | 0 | 11.1 | 4.5 |
| Dec | 29° / 13° | 0 | 0 | 10.9 | 7.2 |
Cloud cover in September
The sky is clear or mostly clear about 80% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 7%.
| 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 (%) | 93 | 93 | 93 | 93 | 92 | 92 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 |
| Cloudier (%) | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 93 | 7 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 92 | 8 |
| 6 | 92 | 8 |
| 7 | 93 | 7 |
| 8 | 93 | 7 |
| 9 | 93 | 7 |
| 10 | 92 | 8 |
| 11 | 92 | 8 |
| 12 | 92 | 8 |
| 13 | 92 | 8 |
| 14 | 93 | 7 |
| 15 | 93 | 7 |
| 16 | 93 | 7 |
| 17 | 93 | 7 |
| 18 | 94 | 6 |
| 19 | 94 | 6 |
| 20 | 95 | 5 |
| 21 | 95 | 5 |
| 22 | 95 | 5 |
| 23 | 95 | 5 |
| 24 | 95 | 5 |
| 25 | 95 | 5 |
| 26 | 95 | 5 |
| 27 | 94 | 6 |
| 28 | 94 | 6 |
| 29 | 94 | 6 |
| 30 | 94 | 6 |
Chance of precipitation in September
Arlit gets around 4 mm of rain over 1.6 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 6% and peaks near 12% 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 (%) | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 12 |
| 3 | 11 |
| 4 | 11 |
| 5 | 11 |
| 6 | 10 |
| 7 | 10 |
| 8 | 9 |
| 9 | 8 |
| 10 | 8 |
| 11 | 7 |
| 12 | 7 |
| 13 | 6 |
| 14 | 6 |
| 15 | 5 |
| 16 | 5 |
| 17 | 4 |
| 18 | 4 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 2 |
| 23 | 2 |
| 24 | 2 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
Humidity in September
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 81% 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 (%) | 55 | 57 | 59 | 60 | 63 | 65 | 68 | 69 | 72 | 74 | 75 | 76 | 80 | 81 | 83 | 84 | 86 | 87 | 88 | 90 | 91 | 92 | 92 | 94 | 95 | 96 | 96 | 97 | 97 | 97 |
| Comfortable (%) | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 |
| Humid (%) | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 10 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 55 | 18 | 13 | 10 | 4 |
| 2 | 57 | 17 | 13 | 9 | 4 |
| 3 | 59 | 17 | 12 | 9 | 3 |
| 4 | 60 | 17 | 12 | 8 | 3 |
| 5 | 63 | 16 | 11 | 8 | 2 |
| 6 | 65 | 16 | 10 | 7 | 2 |
| 7 | 68 | 15 | 9 | 6 | 2 |
| 8 | 69 | 15 | 9 | 6 | 1 |
| 9 | 72 | 14 | 8 | 5 | 1 |
| 10 | 74 | 14 | 7 | 4 | 1 |
| 11 | 75 | 13 | 7 | 4 | 1 |
| 12 | 76 | 13 | 6 | 4 | 1 |
| 13 | 80 | 12 | 5 | 3 | 0 |
| 14 | 81 | 11 | 5 | 3 | 0 |
| 15 | 83 | 10 | 4 | 3 | 0 |
| 16 | 84 | 10 | 4 | 2 | 0 |
| 17 | 86 | 9 | 3 | 2 | 0 |
| 18 | 87 | 8 | 3 | 2 | 0 |
| 19 | 88 | 8 | 3 | 1 | 0 |
| 20 | 90 | 7 | 2 | 1 | 0 |
| 21 | 91 | 6 | 2 | 1 | 0 |
| 22 | 92 | 5 | 2 | 1 | 0 |
| 23 | 92 | 5 | 2 | 1 | 0 |
| 24 | 94 | 4 | 1 | 1 | 0 |
| 25 | 95 | 4 | 1 | 0 | 0 |
| 26 | 96 | 3 | 1 | 0 | 0 |
| 27 | 96 | 3 | 1 | 0 | 0 |
| 28 | 97 | 2 | 1 | 0 | 0 |
| 29 | 97 | 2 | 1 | 0 | 0 |
| 30 | 97 | 2 | 1 | 0 | 0 |
Wind in September
Winds average 12 km/h in September.
Across September, daily wind ranges from about 11 km/h on the calmest days to 13 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 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | calm |
| 9 | 12 | calm |
| 10 | 12 | calm |
| 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 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over September. Sunrise moves from 6:19 AM to 6:24 AM, and sunset from 6:41 PM to 6:15 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) | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 |
| Sunrise (AM) | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:24 |
| Sunset (PM) | 6:41 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:19 | 6:41 |
| 2 | 12.4 | 6:19 | 6:41 |
| 3 | 12.3 | 6:19 | 6:40 |
| 4 | 12.3 | 6:20 | 6:39 |
| 5 | 12.3 | 6:20 | 6:38 |
| 6 | 12.3 | 6:20 | 6:37 |
| 7 | 12.3 | 6:20 | 6:36 |
| 8 | 12.2 | 6:20 | 6:35 |
| 9 | 12.2 | 6:20 | 6:34 |
| 10 | 12.2 | 6:21 | 6:33 |
| 11 | 12.2 | 6:21 | 6:33 |
| 12 | 12.2 | 6:21 | 6:32 |
| 13 | 12.2 | 6:21 | 6:31 |
| 14 | 12.1 | 6:21 | 6:30 |
| 15 | 12.1 | 6:21 | 6:29 |
| 16 | 12.1 | 6:22 | 6:28 |
| 17 | 12.1 | 6:22 | 6:27 |
| 18 | 12.1 | 6:22 | 6:26 |
| 19 | 12.1 | 6:22 | 6:25 |
| 20 | 12.0 | 6:22 | 6:24 |
| 21 | 12.0 | 6:23 | 6:23 |
| 22 | 12.0 | 6:23 | 6:22 |
| 23 | 12.0 | 6:23 | 6:22 |
| 24 | 12.0 | 6:23 | 6:21 |
| 25 | 11.9 | 6:23 | 6:20 |
| 26 | 11.9 | 6:23 | 6:19 |
| 27 | 11.9 | 6:24 | 6:18 |
| 28 | 11.9 | 6:24 | 6:17 |
| 29 | 11.9 | 6:24 | 6:16 |
| 30 | 11.8 | 6:24 | 6:15 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.85 kWh/m².
For context, solar energy here swings from a low near 5.25 kWh/m² to a high of 7.59 kWh/m² in May across the year — September's 6.85 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) | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 |
| Level | 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 | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.9 | Intense |
| 3 | 6.9 | Intense |
| 4 | 6.9 | Intense |
| 5 | 6.9 | Intense |
| 6 | 6.9 | Intense |
| 7 | 6.9 | Intense |
| 8 | 6.9 | Intense |
| 9 | 6.9 | Intense |
| 10 | 6.9 | Intense |
| 11 | 6.9 | Intense |
| 12 | 6.9 | Intense |
| 13 | 6.9 | Intense |
| 14 | 6.8 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.8 | Intense |
| 20 | 6.8 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.8 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.7 | Intense |
| 30 | 6.7 | Intense |
Hazard calendar for Arlit
In September, Arlit sits inside its dust season. The full year is below, with each hazard's peak months called out.
Arlit sees seasonal dust haze (February–October), heaviest in June.
Is September a good time to visit Arlit?
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 Arlit.
What to pack for Arlit in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Arlit sees daytime highs around 40°C and nights near 27°C. Pack light clothes and sun protection.
UV index in Arlit 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 Arlit peaks around March 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (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) | 7 | 10 | 12 | 11 | 8 | 12 | 12 | 11 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Arlit 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 Arlit is worst in June — around 73 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 64 | 71 | 72 | 60 | 65 | 73 | 68 | 61 | 46 | 51 | 46 | 64 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 64 | Unhealthy |
| Feb | 71 | Unhealthy |
| Mar | 72 | Unhealthy |
| Apr | 60 | Unhealthy |
| May | 65 | Unhealthy |
| Jun | 73 | Unhealthy |
| Jul | 68 | Unhealthy |
| Aug | 61 | Unhealthy |
| Sep | 46 | Poor |
| Oct | 51 | Poor |
| Nov | 46 | Poor |
| Dec | 64 | Unhealthy |
Where is Arlit?
Arlit sits at 18.7°N, 7.4°E, 423 m above sea level, in Niger. The nearest listed city is Alaghsas, 202 km away.
Topography around Arlit
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arlit.
Within 3 km, the terrain around Arlit has only modest variations in elevation — a maximum elevation change of 18 m around an average of 421 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, large variations in elevation — a maximum elevation change of 636 m.
The land around Arlit is covered by bare terrain (96%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (98%) 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 Arlit (18.7369°, 7.3853°, elevation 423 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).