Moanda weather in September

In September, Moanda sees average daytime highs of 29°C and overnight lows near 22°C, with 106 mm of rain across 21.7 wet days and about 12 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 4% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Moanda's 4th-clearest and 3rd-windiest month. For the whole year in context, see Moanda's year-round climate.

Daytime high
29°
9th warmest
Overnight low
22°
8th coldest
Rainfall
106 mm
21.7 wet days
Daylight
12 hours
6:02 AM – 6:01 PM
Cloud cover
72%
4th clearest
Wind
5 km/h
3rd windiest
Solar energy
4.75 kWh/m²
Travel score
3.7
out of 10

Moanda 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 29°C through the month.

A typical September day in Moanda reaches about 29°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92922
102922
112922
122922
132922
142922
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in Moanda

Once humidity and wind are folded in, September averages 17 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
17
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.

Moanda weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°13721.812.13.4
Feb31° / 22°13419.812.13.1
Mar31° / 22°14922.8123.0
Apr31° / 22°14022.8123.1
May30° / 22°12122.211.93.6
Jun29° / 21°4210.111.95.6
Jul28° / 21°29811.96.4
Aug29° / 21°4911.911.95.2
Sep29° / 22°10621.7123.7
Oct30° / 21°18926.8123.1
Nov30° / 21°18525.812.13.1
Dec30° / 22°15823.912.13.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32575
42674
52674
62773
72773
82872
92872
102872
113070
123070
133070
142971
152971
162971
172971
182872
192872
202872
212872
222872
232773
242773
252773
262773
272773
282773
292773
302674

Chance of precipitation in September

Any precipitation

Moanda gets around 106 mm of rain over 21.7 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 72% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
154
255
357
458
559
661
762
864
965
1067
1168
1269
1371
1472
1573
1674
1775
1876
1977
2078
2179
2280
2380
2481
2581
2682
2782
2882
2983
3083

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
17228
27129
36931
46733
56535
66337
76139
85842
95644
105347
115149
124951
134654
144456
154258
163961
173763
183565
193367
203169
213070
222872
232674
242575
252377
262278
272179
281981
291882
301783

Wind in September

Winds average 5 km/h in September.

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

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 6:08 AM to 5:56 AM, and sunset from 6:06 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:086:06
212.06:076:06
312.06:076:05
412.06:076:05
512.06:066:05
612.06:066:05
712.06:056:04
812.06:056:04
912.06:056:04
1012.06:046:03
1112.06:046:03
1212.06:036:03
1312.06:036:02
1412.06:036:02
1512.06:026:02
1612.06:026:01
1712.06:016:01
1812.06:016:01
1912.06:016:00
2012.06:006:00
2112.06:006:00
2212.05:595:59
2312.05:595:59
2412.05:585:59
2512.05:585:58
2612.05:585:58
2712.05:575:58
2812.05:575:57
2912.05:575:57
3012.05:565:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 5.5 kWh/m² in March across the year — September's 4.75 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Moanda?

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

3.7
Sightseeing
4th-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Moanda.

What to pack for Moanda in September

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

In September, Moanda sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Moanda 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 Moanda peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 14Jun 18UV 7
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar15Extreme
Apr12Extreme
May10Extreme
Jun7High
Jul9Very high
Aug10Very high
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec10Very high

Air quality in Moanda 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 Moanda is worst in July — around 28 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (October, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJul 1828 µg/m³Oct 2110 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb25Moderate
Mar16Moderate
Apr14Moderate
May18Moderate
Jun27Moderate
Jul28Moderate
Aug28Moderate
Sep19Moderate
Oct9Good
Nov11Good
Dec18Moderate
Location & terrain

Where is Moanda?

Moanda sits at 1.6°S, 13.2°E, 416 m above sea level, in Gabon. The nearest listed city is Franceville, 43 km away.

FrancevilleKoulamoutouMossendjoDjambalaSibitiMouilaMakokouMouyondzi

Topography around Moanda

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

Within 3 km, the terrain around Moanda has only modest variations in elevation — a maximum elevation change of 216 m around an average of 430 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, large variations in elevation — a maximum elevation change of 645 m.

The land around Moanda is covered by trees (73%) within 3 km, trees (82%) within 16 km, and trees (95%) within 80 km.

3 km
216 m
16 km
437 m
80 km
645 m
treesshrubsgrasslandartificial surfacesbare terrain
September weather nearby: Franceville 43 km · Koulamoutou 95 km · Mossendjo 163 km · Djambala 204 km · Sibiti 236 km · Mouila 241 km · Makokou 241 km · Mouyondzi 282 km

Gabon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$8,263
2025
Happiness
5.2 / 10
World Happiness, 2025
Road deaths
23.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 46%Roman Catholic 30%Muslim 11%none 7%

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 Moanda (-1.5665°, 13.1987°, elevation 416 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).