Embu weather in September

In September, Embu sees average daytime highs of 25°C and overnight lows near 16°C, with 45 mm of rain across 9.1 wet days and about 12 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 23% 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 Embu's 5th-clearest and 5th-windiest month. For the whole year in context, see Embu's year-round climate.

Daytime high
25°
6th warmest
Overnight low
16°
4th coldest
Rainfall
45 mm
9.1 wet days
Daylight
12 hours
6:25 AM – 6:24 PM
Cloud cover
59%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
5.74 kWh/m²
Travel score
6.8
out of 10

Embu is city in Kenya.

Founded
1906

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 24°C in the first days to 26°C by the end.

A typical September day in Embu reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52415
62415
72416
82516
92516
102516
112516
122516
132516
142516
152516
162516
172516
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616

Embu weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 16°808.8127.1
Feb27° / 16°686.8127.0
Mar27° / 17°10813.5126.1
Apr25° / 17°24625.4124.4
May24° / 17°19322.7125.0
Jun23° / 16°6614.1125.9
Jul22° / 15°4210.1126.3
Aug23° / 15°4811.6126.3
Sep25° / 16°459.1126.8
Oct25° / 17°15318.8125.5
Nov24° / 17°19022.7124.9
Dec25° / 16°9713.6126.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33367
43367
53565
63763
73862
84159
94258
104555
114654
124753
134852
145050
155149
165347
175347
185446
195545
205644
215644
225743
235644
245644
255644
265644
275644
285644
295644
305644

Chance of precipitation in September

Any precipitation

Embu gets around 45 mm of rain over 9.1 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 32% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
236
336
435
534
634
733
833
932
1031
1131
1230
1329
1429
1528
1628
1728
1828
1928
2028
2128
2229
2329
2430
2531
2632
2733
2834
2936
3037

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
149510
249501
349501
449501
549501
649501
749501
849501
950501
1050491
1150491
1250491
1351481
1451481
1551481
1652471
1752471
1852471
1952471
2052471
2151472
2250482
2350482
2449492
2547503
2646513
2745523
2843534
2941554
3040555

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:30 AM to 6:19 AM, and sunset from 6:30 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:306:30
212.06:306:29
312.06:296:29
412.06:296:29
512.06:296:28
612.06:286:28
712.06:286:28
812.06:286:27
912.06:276:27
1012.06:276:27
1112.06:276:26
1212.06:266:26
1312.06:266:25
1412.06:256:25
1512.06:256:25
1612.06:256:24
1712.06:246:24
1812.06:246:24
1912.06:236:23
2012.06:236:23
2112.06:236:23
2212.06:226:22
2312.06:226:22
2412.06:226:22
2512.06:216:21
2612.06:216:21
2712.06:206:21
2812.06:206:20
2912.06:206:20
3012.06:196:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.74 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.53 kWh/m² in February across the year — September's 5.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.5Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
Planning a trip in September

Is September a good time to visit Embu?

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

6.8
Sightseeing
3rd-best month of the year
6.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Embu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Embu in September

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

In September, Embu sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Embu 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 Embu 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 Embu 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 Embu is worst in December — around 39 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (September, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 1938 µg/m³Sep 1922 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb36Poor
Mar35Moderate
Apr33Moderate
May30Moderate
Jun33Moderate
Jul30Moderate
Aug24Moderate
Sep21Moderate
Oct23Moderate
Nov33Moderate
Dec39Poor
Location & terrain

Where is Embu?

Embu sits at 0.5°S, 37.5°E, 1,336 m above sea level, in Kenya. The nearest listed city is Wanguru, 20 km away.

Topography around Embu

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

Within 3 km, the terrain around Embu has significant variations in elevation — a maximum elevation change of 260 m around an average of 1,353 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 767 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,672 m.

The land around Embu is covered by trees (59%) within 3 km, trees (50%) and cropland (26%) within 16 km, and shrubs (38%) and trees (30%) within 80 km.

3 km
260 m
16 km
767 m
80 km
4,672 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Wanguru 20 km · Kerugoya 20 km · Chuka 31 km · Karuri 35 km · Karatina 37 km · Murang’a 39 km · Kenol 58 km · Nyeri 58 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 Embu (-0.5399°, 37.4574°, elevation 1,336 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).