Kilifi weather in September

In September, Kilifi sees average daytime highs of 28°C and overnight lows near 23°C, with 33 mm of rain across 11.5 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 59% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Kilifi's 1st-clearest and 5th-windiest month. For the whole year in context, see Kilifi's year-round climate.

Daytime high
28°
9th warmest
Overnight low
23°
3rd coldest
Rainfall
33 mm
11.5 wet days
Daylight
12 hours
6:16 AM – 6:14 PM
Cloud cover
40%
1st clearest
Wind
18 km/h
5th windiest
Solar energy
5.98 kWh/m²
Travel score
6.4
out of 10

Kilifi is city 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

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Kilifi reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62722
72722
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302823

How September really feels in Kilifi

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kilifi weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°275.312.25.8
Feb30° / 25°143.712.15.7
Mar31° / 25°5614.3124.3
Apr30° / 25°11222.611.93.6
May28° / 24°16720.811.84.5
Jun27° / 23°5913.911.85.9
Jul27° / 22°411211.86.2
Aug27° / 22°3512.111.96.4
Sep28° / 23°3311.5126.4
Oct29° / 24°7314.112.15.4
Nov29° / 24°7417.612.24.6
Dec30° / 25°6516.212.24.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 18%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
28119
38119
48119
58317
68317
78317
88416
98416
108416
118416
128317
138317
148218
158218
168218
178119
188218
198218
208218
218218
228218
238119
248119
258119
268119
278119
288119
298020
308020

Chance of precipitation in September

Any precipitation

Kilifi gets around 33 mm of rain over 11.5 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
439
539
639
740
840
940
1040
1139
1239
1339
1439
1539
1638
1738
1838
1937
2037
2136
2236
2336
2436
2536
2636
2737
2837
2938
3038

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118613
208614
308515
408515
508416
608317
708218
808119
908020
1008020
1107921
1207822
1307723
1407624
1507525
1607426
1707228
1807129
1907030
2006931
2106733
2206634
2306436
2406238
2506040
2605941
2705743
2805545
2905347
3005149

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 6:22 AM to 6:09 AM, and sunset from 6:18 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:226:18
211.96:226:18
311.96:226:18
411.96:216:17
511.96:216:17
611.96:206:17
712.06:206:17
812.06:196:16
912.06:196:16
1012.06:186:16
1112.06:186:16
1212.06:176:15
1312.06:176:15
1412.06:166:15
1512.06:166:15
1612.06:166:14
1712.06:156:14
1812.06:156:14
1912.06:146:14
2012.06:146:13
2112.06:136:13
2212.06:136:13
2312.06:126:12
2412.06:126:12
2512.06:116:12
2612.06:116:12
2712.06:106:11
2812.06:106:11
2912.06:106:11
3012.06:096:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.98 kWh/m².

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.58 kWh/m² in February across the year — September's 5.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Kilifi

In seasonPeak

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

Kilifi's rainy season runs April–May, 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 Kilifi?

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

6.4
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Kilifi in September

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

In September, Kilifi sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Kilifi in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov28Warm
Dec28Tropical

UV index in Kilifi 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 Kilifi peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 18UV 15Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Kilifi 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 Kilifi is worst in December — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 2421 µg/m³Oct 1313 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb19Moderate
Mar17Moderate
Apr14Moderate
May14Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep14Moderate
Oct13Moderate
Nov15Moderate
Dec21Moderate
Location & terrain

Where is Kilifi?

Kilifi sits at 3.6°S, 39.8°E, 24 m above sea level, in Kenya. The nearest listed city is Mtwapa, 36 km away.

Matuga

Topography around Kilifi

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

Within 3 km, the terrain around Kilifi has only modest variations in elevation — a maximum elevation change of 46 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 225 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.

The land around Kilifi is covered by trees (33%) and water (25%) within 3 km, water (38%) and trees (31%) within 16 km, and water (33%) and shrubs (31%) within 80 km.

3 km
46 m
16 km
225 m
80 km
518 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Mtwapa 36 km · Watamu 36 km · Jomvu 48 km · Mariakani 49 km · Mazeras 50 km · Mombasa 51 km · Malindi 55 km · Matuga 67 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 Kilifi (-3.6305°, 39.8499°, elevation 24 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).