Kahama weather in September

In September, Kahama sees average daytime highs of 31°C and overnight lows near 20°C, with 14 mm of rain across 2.5 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels dry.

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 Kahama's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Kahama's year-round climate.

Daytime high
31°
1st warmest
Overnight low
20°
11th coldest
Rainfall
14 mm
2.5 wet days
Daylight
12 hours
6:45 AM – 6:43 PM
Cloud cover
50%
3rd clearest
Wind
11 km/h
3rd windiest
Solar energy
6.68 kWh/m²
Travel score
5.4
out of 10

Kahama is town in northwestern Tanzania.

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 31°C through the month.

A typical September day in Kahama reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83119
93119
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120

Kahama weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°11418.312.24.9
Feb29° / 19°8514.612.14.8
Mar28° / 19°12017.1124.8
Apr28° / 19°10415.311.95.4
May29° / 19°254.511.86.5
Jun29° / 18°20.511.86.7
Jul29° / 18°10.211.86.9
Aug30° / 19°71.211.96.3
Sep31° / 20°142.5125.4
Oct31° / 20°427.612.14.8
Nov29° / 19°1171612.24.7
Dec28° / 18°12919.812.24.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26337
36436
46436
56436
66436
76436
86436
96535
106535
116535
126535
136535
146535
156634
166535
176535
186535
196337
206337
216238
226139
236040
245941
255941
265743
275743
285743
295644
305545

Chance of precipitation in September

Any precipitation

Kahama gets around 14 mm of rain over 2.5 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 9% and peaks near 12% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
48
58
68
78
88
98
108
118
128
138
148
158
168
178
188
198
208
218
229
239
2410
2510
2611
2711
2811
2912
3012

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
182108
282108
381118
481118
581118
681118
781118
881118
981118
1080119
1180119
1280119
1379129
1479129
1579129
1679129
17781210
18781210
19781210
20771211
21771211
22761212
23751213
24741313
25731314
26721414
27701515
28701515
29691615
30671716

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:52 AM to 6:38 AM, and sunset from 6:47 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:526:47
211.96:516:47
311.96:516:47
411.96:506:46
511.96:506:46
611.96:496:46
711.96:496:46
812.06:486:45
912.06:486:45
1012.06:476:45
1112.06:476:45
1212.06:466:44
1312.06:466:44
1412.06:466:44
1512.06:456:44
1612.06:456:43
1712.06:446:43
1812.06:446:43
1912.06:436:43
2012.06:436:42
2112.06:426:42
2212.06:426:42
2312.06:416:41
2412.06:416:41
2512.06:406:41
2612.06:406:41
2712.06:396:40
2812.06:396:40
2912.06:386:40
3012.06:386:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.68 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.56 kWh/m² to a high of 6.68 kWh/m² in September across the year — September's 6.68 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Kahama

In seasonPeak

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

Kahama's rainy season runs November–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 Kahama?

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

5.4
Sightseeing
5th-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for Kahama in September

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

In September, Kahama sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Kahama 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 Kahama peaks around March 10 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 10UV 16Jun 17UV 10
UV index (midday)Level
Jan13Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Kahama 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 Kahama is worst in January — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (May, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJan 2016 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar12Good
Apr10Good
May8Good
Jun9Good
Jul10Good
Aug11Good
Sep12Good
Oct10Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Kahama?

Kahama sits at 3.8°S, 32.6°E, 1,249 m above sea level, in Tanzania. The nearest listed city is Isaka, 38 km away.

NzegaUshiromboShinyangaOld Shinyanga

Topography around Kahama

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

Within 3 km, the terrain around Kahama has only modest variations in elevation — a maximum elevation change of 103 m around an average of 1,237 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 502 m.

The land around Kahama is covered by artificial surfaces (61%) and cropland (27%) within 3 km, cropland (74%) within 16 km, and cropland (72%) within 80 km.

3 km
103 m
16 km
191 m
80 km
502 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Isaka 38 km · Masumbwe 51 km · Tinde 67 km · Mhango 67 km · Nzega 77 km · Ushirombo 80 km · Shinyanga 93 km · Old Shinyanga 94 km

Tanzania travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$1,319
2025
Happiness
3.9 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
3.7
per 100k, 2020
Road deaths
31.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 479
Religion
Christian 63%Muslim 34%folk religion 1%

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 Kahama (-3.8333°, 32.6°, elevation 1,249 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).