Nzérékoré weather in September

In September, Nzérékoré sees average daytime highs of 28°C and overnight lows near 21°C, with 268 mm of rain across 28.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Nzérékoré's 9th-clearest and 7th-windiest month. For the whole year in context, see Nzérékoré's year-round climate.

Daytime high
28°
10th warmest
Overnight low
21°
6th coldest
Rainfall
268 mm
28.1 wet days
Daylight
12 hours
6:28 AM – 6:31 PM
Cloud cover
82%
9th clearest
Wind
6 km/h
7th windiest
Solar energy
4.28 kWh/m²
Travel score
3.5
out of 10

Nzérékoré is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Nzérékoré reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102821
112821
122821
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821

How September really feels in Nzérékoré

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Nzérékoré weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°274.111.65.1
Feb32° / 21°547.911.74.0
Mar31° / 22°11816.511.93.6
Apr30° / 22°14220.712.23.4
May30° / 22°19625.112.33.3
Jun28° / 22°20826.812.43.5
Jul27° / 21°2202712.43.8
Aug27° / 21°2752712.33.8
Sep28° / 21°26828.1123.5
Oct29° / 21°19127.211.83.4
Nov29° / 21°8916.811.64.5
Dec30° / 20°245.211.65.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2694
3793
4793
5793
6892
7892
8892
9991
10991
11991
121090
131090
141090
151090
161189
171189
181189
191288
201288
211387
221387
231486
241486
251684
261684
271783
281783
291882
301882

Chance of precipitation in September

Any precipitation

Nzérékoré gets around 268 mm of rain over 28.1 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
492
592
692
793
893
993
1093
1194
1294
1394
1494
1594
1694
1794
1894
1994
2094
2194
2294
2394
2493
2593
2693
2793
2892
2992
3092

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
15347
25248
35149
45050
54951
64852
74753
84654
94555
104456
114357
124258
134159
144060
153961
163862
173763
183664
193565
203466
213367
223367
233268
243169
253070
262971
272872
282773
292773
302674

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 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 12 minutes over September. Sunrise moves from 6:30 AM to 6:26 AM, and sunset from 6:39 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:306:39
212.16:306:39
312.16:306:38
412.16:306:38
512.16:306:37
612.16:306:37
712.16:306:36
812.16:306:36
912.16:296:35
1012.16:296:34
1112.16:296:34
1212.16:296:33
1312.16:296:33
1412.16:296:32
1512.06:286:31
1612.06:286:31
1712.06:286:30
1812.06:286:30
1912.06:286:29
2012.06:286:28
2112.06:286:28
2212.06:276:27
2312.06:276:27
2412.06:276:26
2512.06:276:26
2612.06:276:25
2712.06:276:24
2812.06:276:24
2911.96:276:23
3011.96:266:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.28 kWh/m².

For context, solar energy here swings from a low near 3.52 kWh/m² to a high of 5.48 kWh/m² in February across the year — September's 4.28 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.0Bright
84.1Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Nzérékoré

In seasonPeak

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

Nzérékoré's rainy season runs April–October, when most of the year's rain falls.

Nzérékoré sees seasonal dust haze (April), heaviest in April.

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

Is September a good time to visit Nzérékoré?

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

3.5
Sightseeing
8th-best month of the year
3.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Nzérékoré.

What to pack for Nzérékoré in September

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

In September, Nzérékoré sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Nzérékoré in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nzérékoré peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highMar 18UV 13Dec 15UV 8
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Nzérékoré 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 Nzérékoré is worst in March — around 88 µg/m³ PM2.5 (unhealthy), about 9.7× the cleanest month (August, 9 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateGoodModeratePoorMar 1286 µg/m³Aug 239 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb79Unhealthy
Mar88Unhealthy
Apr56Unhealthy
May24Moderate
Jun15Moderate
Jul12Good
Aug9Good
Sep9Good
Oct15Moderate
Nov21Moderate
Dec41Poor
Location & terrain

Where is Nzérékoré?

Nzérékoré sits at 7.8°N, 8.8°W, 482 m above sea level, in Guinea. The nearest listed city is Lola, 32 km away.

SanniquellieGantaSaclepeaDananéBeylaGbarnga

Topography around Nzérékoré

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

Within 3 km, the terrain around Nzérékoré has only modest variations in elevation — a maximum elevation change of 133 m around an average of 478 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 377 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,500 m.

The land around Nzérékoré is covered by artificial surfaces (65%) within 3 km, trees (85%) within 16 km, and trees (79%) and grassland (20%) within 80 km.

3 km
133 m
16 km
377 m
80 km
1,500 m
treesgrasslandartificial surfaces
September weather nearby: Lola 32 km · New Yekepa 37 km · Sanniquellie 45 km · Ganta 61 km · Saclepea 88 km · Danané 92 km · Beyla 106 km · Gbarnga 111 km

Guinea travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / K
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,877
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Muslim 85%Christian 13%none 1%animist 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 Nzérékoré (7.7562°, -8.8179°, elevation 482 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).