Matamey weather in September

In September, Matamey sees average daytime highs of 34°C and overnight lows near 24°C, with 46 mm of rain across 7.4 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 32°C in the first days to 36°C by the end. The sky is clear or mostly clear about 43% 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 Matamey's 10th-clearest and 12th-windiest month. For the whole year in context, see Matamey's year-round climate.

Daytime high
34°
6th warmest
Overnight low
24°
8th coldest
Rainfall
46 mm
7.4 wet days
Daylight
12 h 06 min
6:18 AM – 6:23 PM
Cloud cover
49%
10th clearest
Wind
10 km/h
12th windiest
Solar energy
6.41 kWh/m²
Travel score
3.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 36°C by the end.

A typical September day in Matamey reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°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)
13223
23223
33223
43223
53224
63324
73324
83324
93324
103324
113324
123324
133424
143424
153424
163424
173424
183424
193524
203524
213524
223524
233524
243524
253524
263624
273624
283624
293624
303624

How September really feels in Matamey

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.

Matamey 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° / 15°0011.37.0
Feb33° / 18°0011.64.9
Mar37° / 22°0011.92.1
Apr40° / 25°10.412.30.3
May39° / 27°82.312.60.4
Jun37° / 26°215.812.81.6
Jul34° / 25°7813.712.73.0
Aug32° / 23°13817.112.43.5
Sep34° / 24°467.412.13.2
Oct36° / 23°51.411.72.3
Nov34° / 19°0011.43.9
Dec30° / 15°0011.26.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 37%. 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
115842
125941
136040
146238
156337
166535
176634
186733
196931
206931
217030
227228
237228
247327
257426
267426
277426
287525
297525
307525

Chance of precipitation in September

Any precipitation

Matamey gets around 46 mm of rain over 7.4 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 25% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
242
341
439
538
637
736
834
933
1032
1131
1229
1328
1427
1526
1624
1723
1821
1920
2019
2118
2217
2316
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 53% 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 (%)
10001585
20001684
30001783
40001882
50001981
60002179
70002278
80012475
90012673
100012871
110123067
120123166
130133363
140143560
150143758
160253954
170264151
180274248
191384345
2013104541
2114114638
2224124635
2335144732
2435154730
2546164727
2666174725
2777184622
2887194620
29108204518
30128204416

Wind in September

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

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
269calm
279calm
289calm
299calm
309calm

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 6:19 AM, and sunset from 6:34 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:186:34
212.36:186:33
312.26:186:32
412.26:186:32
512.26:186:31
612.26:186:30
712.26:186:29
812.26:186:29
912.26:186:28
1012.26:186:27
1112.16:186:26
1212.16:186:26
1312.16:186:25
1412.16:186:24
1512.16:186:23
1612.16:186:23
1712.16:186:22
1812.06:186:21
1912.06:186:20
2012.06:186:20
2112.06:186:19
2212.06:186:18
2312.06:186:17
2412.06:186:17
2512.06:186:16
2611.96:186:15
2711.96:186:14
2811.96:186:14
2911.96:196:13
3011.96:196:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.41 kWh/m².

For context, solar energy here swings from a low near 5.76 kWh/m² to a high of 7.41 kWh/m² in April across the year — September's 6.41 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
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 Matamey

In seasonPeak

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

Matamey 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 Matamey?

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

3.2
Sightseeing
6th-best month of the year
6.1
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Matamey. The water and warmth also suit a beach or pool day.

What to pack for Matamey in September

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

In September, Matamey 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 Matamey in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matamey peaks around August 14 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 14UV 12Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May10Extreme
Jun10Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Matamey 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 Matamey 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 Matamey?

Matamey sits at 13.4°N, 8.5°E, 445 m above sea level, in Niger. The nearest listed city is Daura, 46 km away.

Mayahi

Topography around Matamey

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

Within 3 km, the terrain around Matamey has only modest variations in elevation — a maximum elevation change of 34 m around an average of 448 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 91 m; within 80 km, only modest variations in elevation — a maximum elevation change of 179 m.

The land around Matamey is covered by cropland (65%) and grassland (25%) within 3 km, cropland (70%) and grassland (29%) within 16 km, and cropland (66%) and grassland (32%) within 80 km.

3 km
34 m
16 km
91 m
80 km
179 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Daura 46 km · Gazaoua 62 km · Tessaoua 64 km · Magaria 67 km · Zinder 70 km · Aguié 76 km · Mirriah 80 km · Mayahi 105 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 Matamey (13.4231°, 8.4748°, elevation 445 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).