Tessaoua weather in September

In September, Tessaoua sees average daytime highs of 34°C and overnight lows near 24°C, with 42 mm of rain across 6.9 wet days and about 12.1 hours of daylight. It is the 6th-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 44% 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 Tessaoua's 10th-clearest and 12th-windiest month. For the whole year in context, see Tessaoua's year-round climate.

Daytime high
34°
6th warmest
Overnight low
24°
8th coldest
Rainfall
42 mm
6.9 wet days
Daylight
12 h 06 min
6:20 AM – 6:25 PM
Cloud cover
48%
10th clearest
Wind
10 km/h
12th windiest
Solar energy
6.44 kWh/m²
Travel score
3.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 33°C in the first days to 36°C by the end.

A typical September day in Tessaoua reaches about 34°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103424
113424
123424
133424
143424
153424
163524
173524
183524
193524
203524
213524
223624
233624
243624
253624
263624
273624
283624
293624
303724

How September really feels in Tessaoua

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.

Tessaoua weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 14°0011.37.0
Feb33° / 16°0011.54.8
Mar37° / 21°0011.92.1
Apr40° / 24°10.412.30.3
May39° / 26°82.412.60.4
Jun37° / 26°174.212.81.6
Jul34° / 25°6311.312.72.9
Aug32° / 24°12014.612.53.5
Sep34° / 24°426.912.13.0
Oct37° / 22°61.511.72.0
Nov34° / 18°0011.43.8
Dec30° / 14°0011.26.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24852
34852
45050
55149
65248
75347
85446
95545
105743
115743
125941
136040
146238
156337
166634
176733
186931
197030
207129
217228
227426
237525
247525
257525
267624
277624
287624
297723
307723

Chance of precipitation in September

Any precipitation

Tessaoua gets around 42 mm of rain over 6.9 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 24% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
238
337
436
534
633
732
831
930
1029
1128
1227
1326
1425
1524
1623
1722
1820
1919
2018
2117
2216
2315
2415
2514
2613
2712
2812
2911
3011

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10001882
20001981
30002080
40002179
50002278
60002377
70012574
80012673
90012772
100022870
110123067
120133165
130133363
140143461
151153657
161163854
171173952
181284148
191294245
2022114442
2122124538
2233134635
2343154632
2454164729
2564174726
2675184724
2785194621
28106204519
29117214417
30138214315

Wind in September

Winds average 10 km/h in September, the calmest month.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:20 AM to 6:21 AM, and sunset from 6:36 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:206:36
212.36:206:35
312.26:206:34
412.26:206:34
512.26:206:33
612.26:206:32
712.26:206:31
812.26:206:31
912.26:206:30
1012.26:206:29
1112.16:206:28
1212.16:206:28
1312.16:206:27
1412.16:206:26
1512.16:206:25
1612.16:206:25
1712.16:206:24
1812.06:206:23
1912.06:206:22
2012.06:206:22
2112.06:206:21
2212.06:206:20
2312.06:206:19
2412.06:206:19
2512.06:206:18
2611.96:206:17
2711.96:206:16
2811.96:206:16
2911.96:216:15
3011.96:216:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.44 kWh/m².

For context, solar energy here swings from a low near 5.79 kWh/m² to a high of 7.41 kWh/m² in April across the year — September's 6.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Tessaoua

In seasonPeak

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

Tessaoua 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 Tessaoua?

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

3.0
Sightseeing
6th-best month of the year
6.0
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Tessaoua.

What to pack for Tessaoua in September

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

In September, Tessaoua sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Tessaoua 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 Tessaoua peaks around August 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highAug 15UV 12Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May10Extreme
Jun10Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Tessaoua 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 Tessaoua is worst in February — around 105 µg/m³ PM2.5 (unhealthy), about 4.1× the cleanest month (August, 26 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 14105 µg/m³Aug 1627 µg/m³
PM2.5 (µg/m³)Level
Jan101Unhealthy
Feb105Unhealthy
Mar99Unhealthy
Apr83Unhealthy
May63Unhealthy
Jun51Poor
Jul33Moderate
Aug26Moderate
Sep35Poor
Oct59Unhealthy
Nov67Unhealthy
Dec94Unhealthy
Location & terrain

Where is Tessaoua?

Tessaoua sits at 13.8°N, 8.0°E, 400 m above sea level, in Niger. The nearest listed city is Gazaoua, 27 km away.

KatsinaMaradiMadarounfa

Topography around Tessaoua

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

Within 3 km, the terrain around Tessaoua has only modest variations in elevation — a maximum elevation change of 26 m around an average of 402 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 172 m.

The land around Tessaoua is covered by cropland (71%) within 3 km, cropland (82%) within 16 km, and cropland (85%) within 80 km.

3 km
26 m
16 km
61 m
80 km
172 m
grasslandcroplandartificial surfacesbare terrain
September weather nearby: Gazaoua 27 km · Aguié 36 km · Mayahi 41 km · Matamey 64 km · Daura 88 km · Katsina 95 km · Maradi 100 km · Madarounfa 103 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 Tessaoua (13.7574°, 7.9874°, elevation 400 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).