Mayahi weather in September

In September, Mayahi sees average daytime highs of 35°C and overnight lows near 24°C, with 39 mm of rain across 6.2 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 37°C by the end. The sky is clear or mostly clear about 46% 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 Mayahi's 10th-clearest and 12th-windiest month. For the whole year in context, see Mayahi's year-round climate.

Daytime high
35°
6th warmest
Overnight low
24°
8th coldest
Rainfall
39 mm
6.2 wet days
Daylight
12 h 06 min
6:21 AM – 6:26 PM
Cloud cover
47%
10th clearest
Wind
11 km/h
12th windiest
Solar energy
6.48 kWh/m²
Travel score
2.7
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 37°C by the end.

A typical September day in Mayahi reaches about 35°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 38°C. Set against its neighbours, September runs about 3°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
63424
73424
83424
93424
103424
113424
123424
133524
143524
153524
163524
173524
183524
193624
203624
213624
223624
233624
243624
253624
263724
273724
283724
293724
303724

How September really feels in Mayahi

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.

Mayahi 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°0011.37.1
Feb33° / 17°0011.55.0
Mar37° / 21°0011.92.1
Apr40° / 24°10.212.30.3
May40° / 26°71.912.60.3
Jun38° / 26°153.812.81.4
Jul34° / 25°569.812.72.9
Aug32° / 24°11114.612.53.4
Sep35° / 24°396.212.12.7
Oct37° / 23°41.211.71.9
Nov34° / 18°0011.43.8
Dec30° / 15°0011.26.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25248
35248
45347
55446
65545
75545
85743
95842
105842
115941
126139
136238
146337
156634
166733
176832
187030
197129
207327
217426
227426
237525
247624
257723
267723
277723
287723
297723
307723

Chance of precipitation in September

Any precipitation

Mayahi gets around 39 mm of rain over 6.2 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 21% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
238
337
435
534
632
730
829
927
1026
1125
1224
1322
1421
1520
1619
1718
1817
1916
2015
2114
2214
2313
2412
2512
2611
2710
2810
299
309

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10001981
20002080
30012178
40012277
50012475
60012574
70012772
80022870
90023068
100033265
110033364
121143559
131153756
141163854
151174051
161184248
172294345
1822104441
1923124638
2033134634
2134154731
2244164828
2355174825
2466184822
2577194720
2697204717
27108214615
28129214414
291410224312
301610224111

Wind in September

Winds average 11 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
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
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 6:21 AM to 6:22 AM, and sunset from 6:37 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:216:37
212.36:216:37
312.26:216:36
412.26:216:35
512.26:216:34
612.26:216:34
712.26:216:33
812.26:216:32
912.26:216:31
1012.26:216:31
1112.16:216:30
1212.16:216:29
1312.16:216:28
1412.16:216:27
1512.16:216:27
1612.16:216:26
1712.16:216:25
1812.16:216:24
1912.06:216:24
2012.06:216:23
2112.06:216:22
2212.06:226:21
2312.06:226:21
2412.06:226:20
2512.06:226:19
2611.96:226:18
2711.96:226:18
2811.96:226:17
2911.96:226:16
3011.96:226:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.48 kWh/m².

For context, solar energy here swings from a low near 5.77 kWh/m² to a high of 7.43 kWh/m² in April across the year — September's 6.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
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 Mayahi

In seasonPeak

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

Mayahi 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 Mayahi?

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

2.7
Sightseeing
7th-best month of the year
5.8
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Mayahi.

What to pack for Mayahi in September

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

In September, Mayahi sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Mayahi 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 Mayahi peaks around August 16 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 highAug 16UV 12Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Mayahi 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 Mayahi is worst in February — around 107 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 10106 µg/m³Aug 1820 µg/m³
PM2.5 (µg/m³)Level
Jan104Unhealthy
Feb107Unhealthy
Mar94Unhealthy
Apr75Unhealthy
May57Unhealthy
Jun47Poor
Jul30Moderate
Aug20Moderate
Sep26Moderate
Oct51Poor
Nov64Unhealthy
Dec97Unhealthy
Location & terrain

Where is Mayahi?

Mayahi sits at 14.0°N, 7.7°E, 389 m above sea level, in Niger. The nearest listed city is Tessaoua, 41 km away.

MatameyKatsina

Topography around Mayahi

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

Within 3 km, the terrain around Mayahi has only modest variations in elevation — a maximum elevation change of 27 m around an average of 385 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 185 m.

The land around Mayahi is covered by cropland (88%) within 3 km, cropland (85%) within 16 km, and cropland (85%) within 80 km.

3 km
27 m
16 km
65 m
80 km
185 m
grasslandcroplandartificial surfaces
September weather nearby: Tessaoua 41 km · Aguié 51 km · Gazaoua 54 km · Maradi 80 km · Tibiri 80 km · Madarounfa 91 km · Matamey 105 km · Katsina 108 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 Mayahi (13.9553°, 7.6712°, elevation 389 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).