Wanguru weather in September

In September, Wanguru sees average daytime highs of 27°C and overnight lows near 16°C, with 27 mm of rain across 7.7 wet days and about 12 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 20% 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 Wanguru's 6th-clearest and 6th-windiest month. For the whole year in context, see Wanguru's year-round climate.

Daytime high
27°
5th warmest
Overnight low
16°
7th coldest
Rainfall
27 mm
7.7 wet days
Daylight
12 hours
6:25 AM – 6:25 PM
Cloud cover
63%
6th clearest
Wind
5 km/h
6th windiest
Solar energy
5.62 kWh/m²
Travel score
6.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 28°C by the end.

A typical September day in Wanguru reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°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)
12516
22516
32516
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262816
272816
282817
292817
302817

Wanguru weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 15°265.7127.2
Feb29° / 16°174.1126.4
Mar29° / 17°6412.2125.5
Apr27° / 18°20124.9124.3
May25° / 17°13519.7125.3
Jun24° / 16°329.4126.6
Jul24° / 15°227126.9
Aug24° / 15°279.2126.6
Sep27° / 16°277.7126.7
Oct27° / 17°12317.2125.4
Nov25° / 17°16822124.9
Dec26° / 16°5511.8126.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32575
42674
52773
62971
73169
83268
93466
103664
113763
123961
134159
144258
154357
164357
174654
184654
194753
204852
214852
224951
234951
244951
254951
264951
275050
285050
295050
305050

Chance of precipitation in September

Any precipitation

Wanguru gets around 27 mm of rain over 7.7 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 27% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
527
627
728
828
928
1028
1127
1227
1327
1426
1526
1625
1725
1825
1924
2024
2124
2224
2324
2425
2525
2626
2727
2829
2930
3032

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
131663
231663
331663
431663
532653
632653
732653
833643
933643
1034633
1135623
1235623
1336613
1436613
1537603
1638593
1738593
1839583
1939583
2040564
2140564
2239574
2339565
2438575
2537576
2636586
2735587
2834597
2932608
3031609

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 6 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
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:31 AM to 6:20 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)
112.06:316:30
212.06:306:30
312.06:306:29
412.06:306:29
512.06:296:29
612.06:296:28
712.06:286:28
812.06:286:28
912.06:286:27
1012.06:276:27
1112.06:276:27
1212.06:276:26
1312.06:266:26
1412.06:266:25
1512.06:256:25
1612.06:256:25
1712.06:256:24
1812.06:246:24
1912.06:246:24
2012.06:236:23
2112.06:236:23
2212.06:236:23
2312.06:226:22
2412.06:226:22
2512.06:226:22
2612.06:216:21
2712.06:216:21
2812.06:206:21
2912.06:206:20
3012.06:206:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.62 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 6.63 kWh/m² in February across the year — September's 5.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.2Bright
85.2Bright
95.3Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.6Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Is September a good time to visit Wanguru?

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

6.7
Sightseeing
3rd-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Wanguru in September

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

In September, Wanguru sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Wanguru 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 Wanguru peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Wanguru 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 Wanguru 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 Wanguru?

Wanguru sits at 0.7°S, 37.4°E, 1,150 m above sea level, in Kenya. The nearest listed city is Karuri, 19 km away.

Topography around Wanguru

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

Within 3 km, the terrain around Wanguru has only modest variations in elevation — a maximum elevation change of 56 m around an average of 1,151 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 380 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,623 m.

The land around Wanguru is covered by cropland (54%) within 3 km, cropland (65%) within 16 km, and shrubs (36%) and trees (31%) within 80 km.

3 km
56 m
16 km
380 m
80 km
4,623 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Karuri 19 km · Embu 20 km · Kerugoya 22 km · Murang’a 23 km · Karatina 34 km · Kenol 38 km · Thika 50 km · Chuka 51 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 Wanguru (-0.6839°, 37.357°, elevation 1,150 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).