Butiama weather in September

In September, Butiama sees average daytime highs of 29°C and overnight lows near 18°C, with 64 mm of rain across 10.4 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 29°C through the month. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels humid.

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 Butiama's 4th-clearest and 3rd-windiest month. For the whole year in context, see Butiama's year-round climate.

Daytime high
29°
1st warmest
Overnight low
18°
11th coldest
Rainfall
64 mm
10.4 wet days
Daylight
12 hours
6:39 AM – 6:38 PM
Cloud cover
63%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
6.1 kWh/m²
Travel score
5.4
out of 10

Butiama is town in Mara, 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 29°C through the month.

A typical September day in Butiama reaches about 29°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 31°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92918
102918
112918
122918
132918
142918
152918
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918

Butiama 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
Jan27° / 18°16621.212.14.8
Feb28° / 18°1341812.14.9
Mar28° / 18°18121124.7
Apr27° / 18°20622.2124.4
May27° / 18°10815.511.95.6
Jun27° / 18°437.911.96.6
Jul28° / 17°234.311.96.9
Aug28° / 18°49811.96.0
Sep29° / 18°6410.4125.4
Oct28° / 18°11916.4124.8
Nov27° / 18°20522.112.14.5
Dec27° / 18°21123.212.14.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25446
35446
45446
55347
65347
75347
85248
95149
105149
115149
125050
134951
145050
154951
164852
174753
184753
194555
204456
214357
224357
234159
244060
253862
263862
273763
283664
293664
303466

Chance of precipitation in September

Any precipitation

Butiama gets around 64 mm of rain over 10.4 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 35% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
335
435
535
635
735
835
935
1035
1134
1234
1334
1433
1533
1632
1732
1832
1932
2032
2133
2234
2335
2435
2536
2637
2738
2839
2939
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12333421
22334422
32234422
42135422
52036422
61936422
71937422
81838423
91738423
101739423
111639413
121640413
131640413
141541414
151541404
161541404
171542404
181442414
191442414
201341424
211341434
221240444
231240444
241239464
251139474
261138484
271037494
28937504
29936514
30836524

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:45 AM to 6:33 AM, and sunset from 6:43 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:456:43
212.06:446:43
312.06:446:42
412.06:446:42
512.06:436:42
612.06:436:41
712.06:426:41
812.06:426:41
912.06:426:40
1012.06:416:40
1112.06:416:40
1212.06:406:39
1312.06:406:39
1412.06:406:39
1512.06:396:38
1612.06:396:38
1712.06:386:38
1812.06:386:38
1912.06:376:37
2012.06:376:37
2112.06:376:37
2212.06:366:36
2312.06:366:36
2412.06:356:36
2512.06:356:35
2612.06:356:35
2712.06:346:35
2812.06:346:34
2912.06:336:34
3012.06:336:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.1 kWh/m².

For context, solar energy here swings from a low near 5.46 kWh/m² to a high of 6.34 kWh/m² in February across the year — September's 6.1 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.0Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.1Intense
306.1Intense
Planning a trip in September

Is September a good time to visit Butiama?

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
6.7
Beach & pool
4th-best month of the year

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

What to pack for Butiama in September

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

In September, Butiama sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Butiama 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 Butiama peaks around March 17 at about 16 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 17UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Butiama 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 Butiama is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1521 µg/m³Apr 1510 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar12Good
Apr10Good
May12Good
Jun19Moderate
Jul21Moderate
Aug18Moderate
Sep16Moderate
Oct12Good
Nov10Good
Dec12Good
Location & terrain

Where is Butiama?

Butiama sits at 1.8°S, 34.0°E, 1,500 m above sea level, in Tanzania. The nearest listed city is Nyamuswa, 16 km away.

MatongoShiratiKibaraSirari

Topography around Butiama

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

Within 3 km, the terrain around Butiama has only modest variations in elevation — a maximum elevation change of 241 m around an average of 1,459 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 545 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Butiama is covered by shrubs (33%), cropland (30%) and grassland (29%) within 3 km, cropland (51%) and shrubs (30%) within 16 km, and cropland (29%), grassland (28%) and water (26%) within 80 km.

3 km
241 m
16 km
545 m
80 km
656 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Nyamuswa 16 km · Bunda 30 km · Musoma 35 km · Tarime 64 km · Matongo 70 km · Shirati 70 km · Kibara 72 km · Sirari 80 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 Butiama (-1.7667°, 33.9667°, elevation 1,500 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).