Zemio weather in September

In September, Zemio sees average daytime highs of 29°C and overnight lows near 21°C, with 159 mm of rain across 24.7 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 29°C through the month. The sky is clear or mostly clear about 6% 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 12 hours by month's end. Set against the rest of the year, September is Zemio's 8th-clearest and 10th-windiest month. For the whole year in context, see Zemio's year-round climate.

Daytime high
29°
10th warmest
Overnight low
21°
5th coldest
Rainfall
159 mm
24.7 wet days
Daylight
12 hours
5:13 AM – 5:15 PM
Cloud cover
74%
8th clearest
Wind
5 km/h
10th windiest
Solar energy
5.28 kWh/m²
Travel score
3.5
out of 10

Zemio is settlement in Central African Republic.

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 Zemio reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs on par with 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
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921

How September really feels in Zemio

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.

Zemio 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
Jan34° / 21°11211.73.6
Feb35° / 22°234.611.82.9
Mar33° / 23°8412.8123.0
Apr31° / 23°15420.112.13.2
May30° / 22°15521.712.23.5
Jun29° / 21°11320.312.34.0
Jul29° / 21°11120.712.34.1
Aug29° / 21°14622.912.23.8
Sep29° / 21°15924.7123.5
Oct29° / 21°19226.111.93.3
Nov30° / 21°8813.811.84.2
Dec32° / 21°142.911.74.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 76%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22179
32179
42179
52278
62377
72377
82377
92377
102575
112575
122575
132575
142575
152674
162674
172674
182674
192674
202674
212674
222476
232476
242476
252476
262476
272476
282476
292476
302476

Chance of precipitation in September

Any precipitation

Zemio gets around 159 mm of rain over 24.7 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 82% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
179
279
380
480
580
680
781
881
981
1081
1181
1281
1381
1482
1582
1682
1782
1882
1983
2083
2183
2283
2383
2483
2583
2683
2783
2884
2984
3084

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
15149
25050
34951
44852
54753
64654
74555
84456
94456
104357
114258
124159
134060
143961
153862
163763
173664
183664
193664
203664
213664
223664
233664
243664
253664
263664
273664
283763
293763
303763

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 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 5:16 AM to 5:10 AM, and sunset from 5:22 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:165:22
212.15:165:22
312.15:165:21
412.15:165:21
512.15:155:20
612.15:155:20
712.15:155:19
812.15:155:19
912.15:155:18
1012.15:145:18
1112.15:145:17
1212.05:145:17
1312.05:145:16
1412.05:135:16
1512.05:135:15
1612.05:135:15
1712.05:135:14
1812.05:135:14
1912.05:125:13
2012.05:125:13
2112.05:125:12
2212.05:125:12
2312.05:115:11
2412.05:115:11
2512.05:115:10
2612.05:115:10
2712.05:115:09
2812.05:105:09
2912.05:105:08
3012.05:105:08

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.19 kWh/m² in February across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Zemio?

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

3.5
Sightseeing
7th-best month of the year
4.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Zemio.

What to pack for Zemio in September

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

In September, Zemio sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Zemio 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 Zemio peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 20UV 14Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun11Extreme
Jul10Very high
Aug13Extreme
Sep13Extreme
Oct13Extreme
Nov10Very high
Dec9Very high

Air quality in Zemio 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 Zemio is worst in January — around 63 µg/m³ PM2.5 (unhealthy), about 8.0× the cleanest month (September, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateModerateGoodModerateJan 1262 µg/m³Sep 148 µg/m³
PM2.5 (µg/m³)Level
Jan63Unhealthy
Feb48Poor
Mar39Poor
Apr17Moderate
May11Good
Jun14Moderate
Jul13Moderate
Aug10Good
Sep8Good
Oct11Good
Nov30Moderate
Dec60Unhealthy
Location & terrain

Where is Zemio?

Zemio sits at 5.0°N, 25.1°E, 579 m above sea level, in Central African Republic. The nearest listed city is Bondo, 210 km away.

BondoButaBangassouBakwaAketiIsiroBria

Topography around Zemio

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

Within 3 km, the terrain around Zemio has only modest variations in elevation — a maximum elevation change of 122 m around an average of 576 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, only modest variations in elevation — a maximum elevation change of 240 m.

The land around Zemio is covered by trees (41%), grassland (33%) and shrubs (22%) within 3 km, trees (61%) and shrubs (20%) within 16 km, and trees (76%) within 80 km.

3 km
122 m
16 km
159 m
80 km
240 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Bondo 210 km · Buta 254 km · Bangassou 259 km · Bakwa 270 km · Aketi 296 km · Yambio 365 km · Isiro 372 km · Bria 387 km

Central African Republic travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$556
2025
Happiness
3.5 / 10
World Happiness, 2019
Safe drinking water
6%
of population, 2024
Homicide rate
20.1
per 100k, 2016
Road deaths
37.7
per 100k/yr, 2019
Income group
Low
World Bank

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 Zemio (5.0314°, 25.1361°, elevation 579 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).