Eldama Ravine weather in September

In September, Eldama Ravine sees average daytime highs of 23°C and overnight lows near 11°C, with 106 mm of rain across 11.3 wet days and about 12 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 26% of the time in September, and the air most often feels dry.

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 Eldama Ravine's 5th-clearest and 9th-windiest month. For the whole year in context, see Eldama Ravine's year-round climate.

Daytime high
23°
8th warmest
Overnight low
11°
1st coldest
Rainfall
106 mm
11.3 wet days
Daylight
12 hours
6:31 AM – 6:31 PM
Cloud cover
59%
5th clearest
Wind
5 km/h
9th windiest
Solar energy
6.41 kWh/m²
Travel score
6.5
out of 10

Eldama Ravine is human settlement.

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 23°C through the month.

A typical September day in Eldama Ravine reaches about 23°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12211
22211
32211
42211
52211
62211
72211
82211
92211
102211
112211
122211
132211
142211
152311
162311
172311
182311
192311
202311
212311
222311
232311
242311
252311
262311
272311
282311
292311
302311

Eldama Ravine weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 12°183.4128.1
Feb25° / 12°172.4128.0
Mar26° / 13°426.2127.4
Apr24° / 13°12712.9126.2
May23° / 13°10611.9126.5
Jun22° / 12°12513.4126.1
Jul21° / 11°18020.3124.9
Aug21° / 11°21721.2124.8
Sep23° / 11°10611.3126.5
Oct23° / 12°10013.8126.1
Nov22° / 12°9014.4125.8
Dec23° / 12°336.4127.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24258
34357
44456
54555
64654
74753
84951
95149
105248
115248
125347
135446
145446
155446
165545
175545
185545
195446
205446
215446
225347
235347
245248
255248
265149
275050
285149
294951
304951

Chance of precipitation in September

Any precipitation

Eldama Ravine gets around 106 mm of rain over 11.3 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 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
163
261
360
458
556
653
751
848
946
1044
1141
1239
1337
1435
1533
1632
1730
1829
1928
2028
2127
2227
2327
2427
2527
2627
2728
2828
2929
3029

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
16634
26733
36832
47030
57129
67228
77426
87525
97723
107822
118020
128119
138218
148416
158515
168614
178614
188713
198812
208812
218911
228911
238911
248911
258911
268911
278911
288911
298911
308911

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:37 AM to 6:26 AM, and sunset from 6:37 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:376:37
212.06:366:36
312.06:366:36
412.06:366:36
512.06:356:35
612.06:356:35
712.06:356:35
812.06:346:34
912.06:346:34
1012.06:346:34
1112.06:336:33
1212.06:336:33
1312.06:336:33
1412.06:326:32
1512.06:326:32
1612.06:316:31
1712.06:316:31
1812.06:316:31
1912.06:306:30
2012.06:306:30
2112.06:306:30
2212.06:296:29
2312.06:296:29
2412.06:286:28
2512.06:286:28
2612.06:286:28
2712.06:276:27
2812.06:276:27
2912.06:276:27
3012.06:266:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.41 kWh/m².

For context, solar energy here swings from a low near 5.09 kWh/m² to a high of 7.09 kWh/m² in February across the year — September's 6.41 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Eldama Ravine

In seasonPeak

In September, Eldama Ravine sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Eldama Ravine's rainy season runs April–October, 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 Eldama Ravine?

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

6.5
Sightseeing
5th-best month of the year
4.8
Beach & pool
7th-best month of the year

September is a reasonable time to visit Eldama Ravine for sightseeing.

What to pack for Eldama Ravine in September

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

In September, Eldama Ravine sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

UV index in Eldama Ravine 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 Eldama Ravine peaks around March 14 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 17Jun 20UV 11
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme

Air quality in Eldama Ravine 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 Eldama Ravine is worst in June — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJun 2338 µg/m³Jan 1227 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb29Moderate
Mar32Moderate
Apr28Moderate
May31Moderate
Jun38Poor
Jul37Poor
Aug32Moderate
Sep30Moderate
Oct28Moderate
Nov28Moderate
Dec27Moderate
Location & terrain

Where is Eldama Ravine?

Eldama Ravine sits at 0.1°N, 35.7°E, 2,142 m above sea level, in Kenya. The nearest listed city is Rongai, 29 km away.

MuhoroniUpper Gilgil

Topography around Eldama Ravine

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

Within 3 km, the terrain around Eldama Ravine has significant variations in elevation — a maximum elevation change of 304 m around an average of 2,101 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,287 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,118 m.

The land around Eldama Ravine is covered by trees (39%) and cropland (28%) within 3 km, trees (52%) and cropland (22%) within 16 km, and trees (39%) and cropland (24%) within 80 km.

3 km
304 m
16 km
1,287 m
80 km
2,118 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Rongai 29 km · Molo 33 km · Elburgon 40 km · Njoro 49 km · Kabarnet 49 km · Nakuru 55 km · Muhoroni 63 km · Upper Gilgil 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 Eldama Ravine (0.052°, 35.7273°, elevation 2,142 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).