Mwingi weather in September

In September, Mwingi sees average daytime highs of 28°C and overnight lows near 18°C, with 3 mm of rain across 0.8 wet days and about 12 hours of daylight. It is the 4th-warmest and 10th-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 32% 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 Mwingi's 4th-clearest and 2nd-windiest month. For the whole year in context, see Mwingi's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
3rd coldest
Rainfall
3 mm
0.8 wet days
Daylight
12 hours
6:22 AM – 6:22 PM
Cloud cover
53%
4th clearest
Wind
13 km/h
2nd windiest
Solar energy
5.97 kWh/m²
Travel score
7.2
out of 10

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 Mwingi reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°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)
12717
22717
32717
42717
52717
62817
72817
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918

Mwingi weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°499.4126.5
Feb29° / 19°276125.9
Mar29° / 20°6212.6125.1
Apr28° / 20°10218.5124.8
May27° / 19°388.9126.6
Jun26° / 18°30.611.97.6
Jul26° / 17°20.5127.7
Aug26° / 17°20.7127.7
Sep28° / 18°30.8127.2
Oct29° / 19°327.7125.9
Nov27° / 19°17222.5124.6
Dec27° / 18°10118.512.15.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44357
54456
64555
74654
84852
95050
105149
115248
125446
135545
145743
155743
165842
176040
186040
196139
206139
216238
226238
236238
246337
256337
266337
276337
286436
296436
306436

Chance of precipitation in September

Any precipitation

Mwingi gets around 3 mm of rain over 0.8 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 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
163
173
183
193
203
213
223
233
244
254
264
275
285
295
306

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1296830
2296830
3286930
4286840
5286840
6286840
7286840
8276850
9276850
10276850
11276850
12276850
13276760
14276760
15266860
16266770
17266770
18266770
19256780
20256780
21246790
22246790
232367100
242267110
252167120
262166130
272066140
281966150
291864171
301764181

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 6:28 AM to 6:17 AM, and sunset from 6:27 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:286:27
212.06:286:27
312.06:276:26
412.06:276:26
512.06:276:26
612.06:266:25
712.06:266:25
812.06:256:25
912.06:256:24
1012.06:256:24
1112.06:246:24
1212.06:246:23
1312.06:236:23
1412.06:236:23
1512.06:236:22
1612.06:226:22
1712.06:226:22
1812.06:216:21
1912.06:216:21
2012.06:216:21
2112.06:206:20
2212.06:206:20
2312.06:196:20
2412.06:196:19
2512.06:196:19
2612.06:186:19
2712.06:186:18
2812.06:186:18
2912.06:176:18
3012.06:176:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.97 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.58 kWh/m² in February across the year — September's 5.97 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
156.0Bright
166.0Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Mwingi

In seasonPeak

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

Mwingi's rainy season runs April–April, when most of the year's rain falls.

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

Is September a good time to visit Mwingi?

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

7.2
Sightseeing
4th-best month of the year
8.3
Beach & pool
1st-best month of the year

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

What to pack for Mwingi in September

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

In September, Mwingi sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Mwingi 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 Mwingi peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 16Jun 17UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Mwingi 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 Mwingi is worst in December — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateDec 2221 µg/m³Oct 108 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar15Moderate
Apr14Moderate
May11Good
Jun12Moderate
Jul13Moderate
Aug10Good
Sep8Good
Oct8Good
Nov14Moderate
Dec21Moderate
Location & terrain

Where is Mwingi?

Mwingi sits at 0.9°S, 38.1°E, 1,004 m above sea level, in Kenya. The nearest listed city is Kitui, 48 km away.

EmbuChukaMwalaWanguruKerugoyaKaruriMurang’a

Topography around Mwingi

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

Within 3 km, the terrain around Mwingi has only modest variations in elevation — a maximum elevation change of 194 m around an average of 982 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 644 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,391 m.

The land around Mwingi is covered by shrubs (55%) within 3 km, shrubs (60%) within 16 km, and shrubs (64%) within 80 km.

3 km
194 m
16 km
644 m
80 km
1,391 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kitui 48 km · Embu 80 km · Chuka 81 km · Mwala 82 km · Wanguru 83 km · Kerugoya 99 km · Karuri 101 km · Murang’a 104 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 Mwingi (-0.9361°, 38.0596°, elevation 1,004 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).