Techiman weather in September

In September, Techiman sees average daytime highs of 29°C and overnight lows near 22°C, with 181 mm of rain across 25.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 1st-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 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 Techiman's 10th-clearest and 8th-windiest month. For the whole year in context, see Techiman's year-round climate.

Daytime high
29°
10th warmest
Overnight low
22°
7th coldest
Rainfall
181 mm
25.5 wet days
Daylight
12 hours
6:01 AM – 6:03 PM
Cloud cover
80%
10th clearest
Wind
7 km/h
8th windiest
Solar energy
4.28 kWh/m²
Travel score
3.4
out of 10

Techiman is Capital of Bono East Region in Ghana.

Founded
1740

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 Techiman reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Techiman

Once humidity and wind are folded in, September averages 10 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
10
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.

Techiman weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°213.411.64.3
Feb34° / 23°46711.83.2
Mar33° / 24°11316.811.92.8
Apr32° / 24°13019.212.22.9
May31° / 23°13020.612.33.2
Jun29° / 23°12421.112.43.7
Jul28° / 22°11020.612.44.3
Aug28° / 22°11620.412.24.4
Sep29° / 22°18125.5123.4
Oct30° / 22°15523.611.83.4
Nov31° / 22°681211.74.2
Dec32° / 21°224.211.64.9

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 13% of September, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1694
2694
3694
4793
5793
6892
7892
8991
9991
101090
111189
121189
131288
141288
151387
161387
171486
181486
191585
201684
211783
221783
231783
241882
251882
261882
271882
282080
292080
302179

Chance of precipitation in September

Any precipitation

Techiman gets around 181 mm of rain over 25.5 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
180
281
381
482
582
682
783
883
983
1084
1184
1284
1385
1485
1586
1686
1787
1887
1987
2087
2187
2287
2387
2487
2586
2686
2786
2886
2986
3085

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
12278
22179
32080
42080
51981
61981
71882
81882
91882
101783
111783
121684
131684
141585
151585
161486
171486
181387
191288
201288
211189
221189
231090
241090
25991
26991
27892
28892
29892
30793

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:03 AM to 5:59 AM, and sunset from 6:12 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:12
212.16:036:11
312.16:036:11
412.16:036:10
512.16:036:10
612.16:026:09
712.16:026:09
812.16:026:08
912.16:026:07
1012.16:026:07
1112.16:026:06
1212.16:016:06
1312.16:016:05
1412.16:016:04
1512.06:016:04
1612.06:016:03
1712.06:016:03
1812.06:016:02
1912.06:006:02
2012.06:006:01
2112.06:006:00
2212.06:006:00
2312.06:005:59
2412.06:005:59
2512.05:595:58
2612.05:595:58
2712.05:595:57
2812.05:595:56
2911.95:595:56
3011.95:595:55

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 3.92 kWh/m² to a high of 5.8 kWh/m² in February across the year — September's 4.28 kWh/m² sits near the bottom.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Techiman

In seasonPeak

None of Techiman's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Techiman sees seasonal dust haze (January–April), heaviest in February.

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

Is September a good time to visit Techiman?

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

3.4
Sightseeing
7th-best month of the year
4.3
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Techiman.

What to pack for Techiman in September

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

In September, Techiman sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Techiman 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 Techiman peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 12UV 13Jan 10UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Techiman 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 Techiman is worst in February — around 103 µg/m³ PM2.5 (unhealthy), about 6.0× the cleanest month (August, 17 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModerateUnhealthyFeb 9101 µg/m³Aug 1617 µg/m³
PM2.5 (µg/m³)Level
Jan97Unhealthy
Feb103Unhealthy
Mar45Poor
Apr39Poor
May23Moderate
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep18Moderate
Oct25Moderate
Nov34Moderate
Dec82Unhealthy
Location & terrain

Where is Techiman?

Techiman sits at 7.6°N, 1.9°W, 419 m above sea level, in Ghana. The nearest listed city is Wankyi, 24 km away.

Duayaw-NkwantaSunyaniBechemKintampoNsoatreEjura

Topography around Techiman

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

Within 3 km, the terrain around Techiman has only modest variations in elevation — a maximum elevation change of 120 m around an average of 410 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 308 m; within 80 km, large variations in elevation — a maximum elevation change of 738 m.

The land around Techiman is covered by artificial surfaces (60%) and trees (20%) within 3 km, trees (66%) within 16 km, and trees (41%), grassland (26%) and shrubs (24%) within 80 km.

3 km
120 m
16 km
308 m
80 km
738 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Wankyi 24 km · Nkoranza 26 km · Duayaw-Nkwanta 49 km · Sunyani 51 km · Bechem 56 km · Kintampo 57 km · Nsoatre 62 km · Ejura 68 km

Ghana travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$3,257
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
1.8
per 100k, 2022
Road deaths
25.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 540
Religion
Christian 71%Muslim 20%other 5%traditionalist 3%

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 Techiman (7.5905°, -1.9395°, elevation 419 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).