Tanout weather in September

In September, Tanout sees average daytime highs of 37°C and overnight lows near 24°C, with 15 mm of rain across 3.5 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 36°C in the first days to 38°C by the end. The sky is clear or mostly clear about 58% 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 Tanout's 10th-clearest and 12th-windiest month. For the whole year in context, see Tanout's year-round climate.

Daytime high
37°
4th warmest
Overnight low
24°
9th coldest
Rainfall
15 mm
3.5 wet days
Daylight
12 h 06 min
6:16 AM – 6:21 PM
Cloud cover
38%
10th clearest
Wind
14 km/h
12th windiest
Solar energy
6.71 kWh/m²
Travel score
1.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 36°C in the first days to 38°C by the end.

A typical September day in Tanout reaches about 37°C in the afternoon and slips back to 24°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 39°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23624
33624
43624
53624
63624
73624
83624
93624
103724
113724
123724
133724
143724
153724
163724
173724
183724
193724
203824
213824
223824
233824
243824
253824
263824
273824
283824
293824
303824

How September really feels in Tanout

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
heat index over the day's high
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.

Tanout 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
Jan26° / 12°0011.28.8
Feb30° / 15°0011.56.8
Mar35° / 19°0011.93.5
Apr39° / 23°00.112.30.9
May40° / 26°30.812.70.0
Jun39° / 26°51.712.90.6
Jul36° / 25°316.512.82.0
Aug35° / 24°7010.412.52.7
Sep37° / 24°153.512.11.8
Oct37° / 22°10.511.72.3
Nov32° / 17°0011.35.3
Dec27° / 13°0011.18.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56436
66535
76634
86733
96832
106832
117030
127030
137228
147426
157426
167624
177723
187921
198020
208119
218317
228317
238515
248515
258614
268614
278614
288515
298515
308515

Chance of precipitation in September

Any precipitation

Tanout gets around 15 mm of rain over 3.5 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 13% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
126
225
324
423
522
621
720
818
917
1016
1115
1214
1313
1412
1512
1611
1710
189
199
208
217
227
236
246
255
265
274
284
294
304

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
147173933
248183831
359193729
4610213727
5710223625
6811223523
7912233421
81013243419
91214243317
101314253215
111515253114
121716253012
131816252911
14201725289
15231825278
16251824257
17281924246
18301923225
19332022204
20362021194
21392120173
22422119153
23452118132
24482117122
25512116102
2653211592
2755211581
2858201471
2960201361
3062191261

Wind in September

Winds average 14 km/h in September, the calmest month.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 6:15 AM to 6:17 AM, and sunset from 6:33 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:156:33
212.36:156:32
312.36:156:31
412.36:166:31
512.26:166:30
612.26:166:29
712.26:166:28
812.26:166:28
912.26:166:27
1012.26:166:26
1112.26:166:25
1212.16:166:24
1312.16:166:24
1412.16:166:23
1512.16:166:22
1612.16:166:21
1712.16:166:20
1812.16:166:20
1912.06:166:19
2012.06:176:18
2112.06:176:17
2212.06:176:16
2312.06:176:16
2412.06:176:15
2512.06:176:14
2611.96:176:13
2711.96:176:13
2811.96:176:12
2911.96:176:11
3011.96:176:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.71 kWh/m².

For context, solar energy here swings from a low near 5.72 kWh/m² to a high of 7.6 kWh/m² in April across the year — September's 6.71 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
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 Tanout

In seasonPeak

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

Tanout sees dust haze year-round, heaviest in April.

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

Is September a good time to visit Tanout?

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

1.8
Sightseeing
9th-best month of the year
5.1
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Tanout.

What to pack for Tanout in September

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

In September, Tanout sees daytime highs around 37°C and nights near 24°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Tanout 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 Tanout peaks around August 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highAug 12UV 12Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May9Very high
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Tanout 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 Tanout is worst in January — around 128 µg/m³ PM2.5 (unhealthy), about 4.1× the cleanest month (August, 31 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 20128 µg/m³Aug 2132 µg/m³
PM2.5 (µg/m³)Level
Jan128Unhealthy
Feb125Unhealthy
Mar108Unhealthy
Apr85Unhealthy
May67Unhealthy
Jun64Unhealthy
Jul49Poor
Aug31Moderate
Sep35Poor
Oct64Unhealthy
Nov77Unhealthy
Dec120Unhealthy
Location & terrain

Where is Tanout?

Tanout sits at 15.0°N, 8.9°E, 525 m above sea level, in Niger. The nearest listed city is Zinder, 130 km away.

ZinderMirriahTessaouaMayahiMatameyGouréGazaouaAguié

Topography around Tanout

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

Within 3 km, the terrain around Tanout has only modest variations in elevation — a maximum elevation change of 73 m around an average of 529 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, only modest variations in elevation — a maximum elevation change of 197 m.

The land around Tanout is covered by grassland (55%) and bare terrain (38%) within 3 km, grassland (61%) and bare terrain (37%) within 16 km, and grassland (65%) and bare terrain (22%) within 80 km.

3 km
73 m
16 km
121 m
80 km
197 m
grasslandcroplandartificial surfacesbare terrain
September weather nearby: Zinder 130 km · Mirriah 143 km · Tessaoua 166 km · Mayahi 173 km · Matamey 178 km · Gouré 185 km · Gazaoua 192 km · Aguié 202 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 Tanout (14.9709°, 8.8879°, elevation 525 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).