Chuka weather in September

In September, Chuka sees average daytime highs of 28°C and overnight lows near 18°C, with 16 mm of rain across 3.2 wet days and about 12 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels comfortable.

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 Chuka's 5th-clearest and 2nd-windiest month. For the whole year in context, see Chuka's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
18°
6th coldest
Rainfall
16 mm
3.2 wet days
Daylight
12 hours
6:24 AM – 6:24 PM
Cloud cover
47%
5th clearest
Wind
9 km/h
2nd windiest
Solar energy
6.14 kWh/m²
Travel score
7.2
out of 10

Chuka is human settlement in Kenya.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical September day in Chuka reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252918
262918
272918
282918
292918
302918

Chuka weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°336.3127.3
Feb29° / 18°224.1126.6
Mar29° / 19°499.1126.0
Apr27° / 19°12118.4125.3
May27° / 19°6612.5126.4
Jun26° / 18°214.4127.3
Jul25° / 17°153127.6
Aug26° / 17°193.5127.4
Sep28° / 18°163.2127.2
Oct28° / 19°6812.1126.0
Nov26° / 18°12320.1125.3
Dec26° / 18°4510.8126.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25149
35347
45446
55644
65743
75941
85941
96139
106337
116337
126535
136535
146733
156733
166832
176832
186931
196931
207030
217129
227129
237129
247129
257228
267228
277228
287228
297327
307327

Chance of precipitation in September

Any precipitation

Chuka gets around 16 mm of rain over 3.2 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 11% and peaks near 17% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
112
212
311
411
511
610
710
810
910
1010
119
129
139
149
1510
1610
1710
1810
1910
2011
2111
2212
2312
2413
2513
2614
2715
2815
2916
3017

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
143552
243552
343552
443552
544542
644542
744542
844542
944542
1044542
1144542
1244542
1344533
1445523
1545523
1645523
1745523
1845523
1944533
2044524
2143534
2242544
2341545
2440555
2538566
2637567
2735587
2834588
2932599
30306010

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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
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 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 6:29 AM to 6:19 AM, and sunset from 6:29 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:296:29
212.06:296:29
312.06:296:28
412.06:286:28
512.06:286:28
612.06:286:27
712.06:276:27
812.06:276:27
912.06:266:26
1012.06:266:26
1112.06:266:25
1212.06:256:25
1312.06:256:25
1412.06:256:24
1512.06:246:24
1612.06:246:24
1712.06:236:23
1812.06:236:23
1912.06:236:23
2012.06:226:22
2112.06:226:22
2212.06:226:22
2312.06:216:21
2412.06:216:21
2512.06:206:20
2612.06:206:20
2712.06:206:20
2812.06:196:19
2912.06:196:19
3012.06:196:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.14 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.58 kWh/m² in February across the year — September's 6.14 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
116.0Bright
126.0Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Is September a good time to visit Chuka?

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

7.2
Sightseeing
5th-best month of the year
7.9
Beach & pool
2nd-best month of the year

September is one of the better times to visit Chuka for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chuka in September

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

In September, Chuka sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Chuka in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chuka peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 18UV 11
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chuka 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 Chuka is worst in February — around 32 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1832 µg/m³Sep 1819 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb32Moderate
Mar31Moderate
Apr28Moderate
May25Moderate
Jun28Moderate
Jul27Moderate
Aug21Moderate
Sep19Moderate
Oct20Moderate
Nov29Moderate
Dec32Moderate
Location & terrain

Where is Chuka?

Chuka sits at 0.3°S, 37.6°E, 1,452 m above sea level, in Kenya. The nearest listed city is Embu, 31 km away.

KaruriMurang’aMaua

Topography around Chuka

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

Within 3 km, the terrain around Chuka has significant variations in elevation — a maximum elevation change of 253 m around an average of 1,425 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,337 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,746 m.

The land around Chuka is covered by trees (83%) within 3 km, trees (66%) and shrubs (22%) within 16 km, and shrubs (41%) and trees (27%) within 80 km.

3 km
253 m
16 km
1,337 m
80 km
4,746 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Embu 31 km · Meru 42 km · Kerugoya 45 km · Wanguru 51 km · Karatina 60 km · Karuri 66 km · Murang’a 70 km · Maua 71 km

Kenya travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$2,363
2025
Happiness
4.7 / 10
World Happiness, 2025
Homicide rate
4.9
per 100k, 2022
Road deaths
28.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 593
Religion
Christian 86%Muslim 11%other 2%none 2%

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 Chuka (-0.3332°, 37.6459°, elevation 1,452 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).