Birnin Gaouré weather in September

In September, Birnin Gaouré sees average daytime highs of 33°C and overnight lows near 25°C, with 56 mm of rain across 8.4 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 35°C by the end. The sky is clear or mostly clear about 40% 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 Birnin Gaouré's 10th-clearest and 11th-windiest month. For the whole year in context, see Birnin Gaouré's year-round climate.

Daytime high
33°
8th warmest
Overnight low
25°
8th coldest
Rainfall
56 mm
8.4 wet days
Daylight
12 h 06 min
6:41 AM – 6:45 PM
Cloud cover
52%
10th clearest
Wind
9 km/h
11th windiest
Solar energy
6.12 kWh/m²
Travel score
3.4
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 35°C by the end.

A typical September day in Birnin Gaouré reaches about 33°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103324
113324
123324
133325
143325
153325
163325
173325
183425
193425
203425
213425
223425
233425
243425
253525
263525
273525
283525
293525
303525

How September really feels in Birnin Gaouré

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
9 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.

Birnin Gaouré weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°0011.35.4
Feb35° / 21°0011.63.4
Mar39° / 24°10.311.91.0
Apr40° / 27°30.812.30.0
May39° / 28°133.412.60.4
Jun37° / 27°276.212.82.0
Jul33° / 25°7312.112.73.2
Aug32° / 24°14716.912.43.5
Sep33° / 25°568.412.13.4
Oct37° / 24°102.611.72.1
Nov36° / 20°0011.42.7
Dec33° / 18°0011.24.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
34159
44258
54258
64456
74654
84753
94852
105050
115050
125248
135347
145545
155743
165842
176040
186238
196337
206535
216634
226733
236931
247030
257129
267228
277327
287327
297327
307426

Chance of precipitation in September

Any precipitation

Birnin Gaouré gets around 56 mm of rain over 8.4 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 29% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
148
247
346
444
543
641
740
838
937
1036
1134
1233
1331
1430
1528
1627
1726
1824
1923
2022
2121
2220
2319
2418
2518
2617
2716
2816
2915
3015

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100928
200928
300919
400919
500919
600919
700919
8009010
9018910
10018910
11018910
12018910
13018910
14028810
15028810
16028810
17038710
18038710
1903889
2004879
2105869
2206868
2306868
2417857
2518847
2619846
27111826
28212815
29213814
30215794

Wind in September

Winds average 9 km/h in September.

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
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 6:40 AM to 6:41 AM, and sunset from 6:56 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:406:56
212.26:406:55
312.26:406:54
412.26:406:54
512.26:406:53
612.26:406:52
712.26:406:51
812.26:416:51
912.26:416:50
1012.16:416:49
1112.16:416:49
1212.16:416:48
1312.16:416:47
1412.16:416:46
1512.16:416:46
1612.16:416:45
1712.16:416:44
1812.06:416:43
1912.06:416:43
2012.06:416:42
2112.06:416:41
2212.06:416:40
2312.06:416:40
2412.06:416:39
2512.06:416:38
2611.96:416:37
2711.96:416:37
2811.96:416:36
2911.96:416:35
3011.96:416:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.12 kWh/m².

For context, solar energy here swings from a low near 5.42 kWh/m² to a high of 7.03 kWh/m² in April across the year — September's 6.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Birnin Gaouré

In seasonPeak

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

Birnin Gaouré sees seasonal dust haze (January–July), heaviest in March.

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

Is September a good time to visit Birnin Gaouré?

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

3.4
Sightseeing
4th-best month of the year
6.2
Beach & pool
5th-best month of the year

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

What to pack for Birnin Gaouré in September

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

In September, Birnin Gaouré sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Birnin Gaouré 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 Birnin Gaouré peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 17UV 13Dec 14UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May10Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Birnin Gaouré 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 Birnin Gaouré is worst in February — around 91 µg/m³ PM2.5 (unhealthy), about 5.8× the cleanest month (August, 16 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1890 µg/m³Aug 1316 µg/m³
PM2.5 (µg/m³)Level
Jan80Unhealthy
Feb91Unhealthy
Mar86Unhealthy
Apr64Unhealthy
May37Poor
Jun28Moderate
Jul18Moderate
Aug16Moderate
Sep22Moderate
Oct39Poor
Nov51Poor
Dec71Unhealthy
Location & terrain

Where is Birnin Gaouré?

Birnin Gaouré sits at 13.1°N, 2.9°E, 193 m above sea level, in Niger. The nearest listed city is Dosso, 31 km away.

NiameyTorodiDogondoutchi

Topography around Birnin Gaouré

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

Within 3 km, the terrain around Birnin Gaouré has only modest variations in elevation — a maximum elevation change of 34 m around an average of 194 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 68 m; within 80 km, only modest variations in elevation — a maximum elevation change of 109 m.

The land around Birnin Gaouré is covered by grassland (63%) within 3 km, grassland (77%) within 16 km, and grassland (66%) within 80 km.

3 km
34 m
16 km
68 m
80 km
109 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Dosso 31 km · Say 59 km · Kollo 67 km · Youri Kourtéré 77 km · Baléyara 78 km · Niamey 99 km · Torodi 121 km · Dogondoutchi 136 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 Birnin Gaouré (13.0817°, 2.911°, elevation 193 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).