Alaghsas weather in September

In September, Alaghsas sees average daytime highs of 39°C and overnight lows near 26°C, with 5 mm of rain across 1.7 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 39°C through the month. The sky is clear or mostly clear about 76% of the time in September, and the air most often feels dry.

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 Alaghsas's 6th-clearest and 9th-windiest month. For the whole year in context, see Alaghsas's year-round climate.

Daytime high
39°
4th warmest
Overnight low
26°
9th coldest
Rainfall
5 mm
1.7 wet days
Daylight
12 h 06 min
6:19 AM – 6:25 PM
Cloud cover
27%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
6.79 kWh/m²
Travel score
0.8
out of 10

Alaghsas is village in Niger.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 39°C through the month.

A typical September day in Alaghsas reaches about 39°C in the afternoon and slips back to 26°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 41°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C warmer than October.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
13826
23826
33826
43826
53826
63826
73826
83926
93926
103926
113926
123927
133927
143927
153927
163927
173927
183927
193927
203927
213927
223927
233927
243927
253927
263927
273927
283926
293926
303926

How September really feels in Alaghsas

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.

Days feeling ≥ 32°C
30
13 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Alaghsas 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°0011.18.1
Feb31° / 17°0011.46.1
Mar35° / 21°00.111.93.2
Apr39° / 25°10.212.40.6
May41° / 28°10.312.80.0
Jun41° / 28°31.1130.0
Jul39° / 27°195.212.90.7
Aug37° / 26°378.912.61.4
Sep39° / 26°51.712.10.8
Oct37° / 25°00.111.61.9
Nov33° / 20°0011.24.8
Dec29° / 15°00117.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% 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 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58614
68614
78614
88614
98515
108515
118515
128515
138614
148614
158713
168713
178713
188911
198911
208911
21919
22919
23928
24928
25946
26946
27946
28955
29955
30955

Chance of precipitation in September

Any precipitation

Alaghsas gets around 5 mm of rain over 1.7 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 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
118
217
316
414
513
612
711
810
99
108
117
127
136
146
155
165
175
184
194
204
213
223
233
243
252
262
272
281
291
301

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272023256
2292022235
3322022225
4352021204
5382021183
6412020163
7442019142
8472018132
9492118112
1051211792
1154211681
1257201571
1359201461
1461201351
1564191241
1667181140
1770171030
187316920
197415920
207614820
217813720
228211610
238410510
24869410
25878410
26897310
27916210
28925210
29925210
30934210

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

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 6:18 AM to 6:21 AM, and sunset from 6:38 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:186:38
212.36:186:37
312.36:186:36
412.36:186:35
512.36:186:34
612.36:186:34
712.26:186:33
812.26:186:32
912.26:196:31
1012.26:196:30
1112.26:196:29
1212.26:196:29
1312.16:196:28
1412.16:196:27
1512.16:196:26
1612.16:196:25
1712.16:206:24
1812.16:206:23
1912.06:206:22
2012.06:206:22
2112.06:206:21
2212.06:206:20
2312.06:206:19
2412.06:206:18
2511.96:216:17
2611.96:216:17
2711.96:216:16
2811.96:216:15
2911.96:216:14
3011.96:216:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.79 kWh/m².

For context, solar energy here swings from a low near 5.47 kWh/m² to a high of 7.58 kWh/m² in April across the year — September's 6.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Alaghsas

In seasonPeak

In September, Alaghsas sits inside its dust season. The full year is below, with each hazard's peak months called out.

Alaghsas sees seasonal dust haze (February–November), heaviest in June.

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

Is September a good time to visit Alaghsas?

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

0.8
Sightseeing
8th-best month of the year
4.0
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Alaghsas.

What to pack for Alaghsas in September

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

In September, Alaghsas sees daytime highs around 39°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Alaghsas 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 Alaghsas peaks around August 24 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighAug 24UV 12Dec 18UV 6
UV index (midday)Level
Jan7Very high
Feb10Very high
Mar12Extreme
Apr10Extreme
May9Very high
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec6High

Air quality in Alaghsas 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 Alaghsas is worst in February — around 89 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (September, 44 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 1387 µg/m³Sep 1245 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb89Unhealthy
Mar77Unhealthy
Apr68Unhealthy
May65Unhealthy
Jun66Unhealthy
Jul58Unhealthy
Aug48Poor
Sep44Poor
Oct57Unhealthy
Nov58Unhealthy
Dec79Unhealthy
Location & terrain

Where is Alaghsas?

Alaghsas sits at 17.0°N, 8.0°E, 519 m above sea level, in Niger. The nearest listed city is Agadez, 6.0 km away.

ArlitTanoutAbalakTchin TabaradènDakoroMayahiTessaoua

Topography around Alaghsas

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

Within 3 km, the terrain around Alaghsas has only modest variations in elevation — a maximum elevation change of 36 m around an average of 516 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, large variations in elevation — a maximum elevation change of 767 m.

The land around Alaghsas is covered by bare terrain (76%) within 3 km, bare terrain (86%) within 16 km, and bare terrain (90%) within 80 km.

3 km
36 m
16 km
183 m
80 km
767 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Agadez 6.0 km · Arlit 202 km · Tanout 246 km · Abalak 255 km · Tchin Tabaradèn 267 km · Dakoro 309 km · Mayahi 343 km · Tessaoua 363 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
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Alaghsas (17.0187°, 8.0168°, elevation 519 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).