Katoro weather in September

In September, Katoro sees average daytime highs of 29°C and overnight lows near 19°C, with 73 mm of rain across 10.4 wet days and about 12 hours of daylight. It is the 2nd-warmest and 8th-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 21% of the time in September, and the air most often feels humid.

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

Daytime high
29°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
73 mm
10.4 wet days
Daylight
12 hours
6:47 AM – 6:46 PM
Cloud cover
63%
4th clearest
Wind
8 km/h
4th windiest
Solar energy
6.15 kWh/m²
Travel score
5.3
out of 10

Katoro is city in Geita, 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 Katoro reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°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 about 1°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919

Katoro weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°13921.412.24.7
Feb28° / 18°9716.312.15.0
Mar28° / 19°16220.8124.7
Apr27° / 18°1772011.94.7
May28° / 19°588.611.96.3
Jun29° / 18°102.111.86.6
Jul29° / 18°6111.86.6
Aug29° / 19°294.511.96.0
Sep29° / 19°7310.4125.3
Oct28° / 19°14618.912.14.7
Nov27° / 18°23225.812.14.0
Dec27° / 18°20125.112.24.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54753
64753
74753
84654
94753
104753
114753
124654
134654
144654
154555
164555
174456
184456
194555
204357
214357
224258
234159
244159
254060
263961
273961
283862
293763
303763

Chance of precipitation in September

Any precipitation

Katoro gets around 73 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 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
127
228
329
429
530
631
732
832
933
1033
1134
1234
1334
1434
1534
1634
1734
1835
1935
2035
2136
2237
2338
2439
2540
2640
2741
2842
2943
3045

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14620304
24421304
34322315
44122325
54023325
63824326
73725326
83625337
93426337
103326338
113327328
123227329
133128329
1430283210
1530283110
1629293111
1729293111
1828293112
1927293212
2027293213
2126283313
2225283413
2324273614
2423263714
2521263914
2620254114
2719244314
2818234514
2916234714
3015224914

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:54 AM to 6:41 AM, and sunset from 6:50 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:546:50
211.96:536:50
311.96:536:50
412.06:526:49
512.06:526:49
612.06:526:49
712.06:516:49
812.06:516:48
912.06:506:48
1012.06:506:48
1112.06:496:48
1212.06:496:47
1312.06:486:47
1412.06:486:47
1512.06:486:46
1612.06:476:46
1712.06:476:46
1812.06:466:46
1912.06:466:45
2012.06:456:45
2112.06:456:45
2212.06:446:44
2312.06:446:44
2412.06:436:44
2512.06:436:44
2612.06:436:43
2712.06:426:43
2812.06:426:43
2912.06:416:43
3012.06:416:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.15 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.24 kWh/m² to a high of 6.15 kWh/m² in September across the year — September's 6.15 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
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

Hazard calendar for Katoro

In seasonPeak

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

Katoro's rainy season runs October–January, 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 Katoro?

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

5.3
Sightseeing
5th-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for Katoro in September

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

In September, Katoro sees daytime highs around 29°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jun 18UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Katoro 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 Katoro is worst in January — around 23 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1922 µg/m³Oct 1814 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb21Moderate
Mar17Moderate
Apr15Moderate
May15Moderate
Jun15Moderate
Jul15Moderate
Aug17Moderate
Sep17Moderate
Oct14Moderate
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Katoro?

Katoro sits at 3.0°S, 31.9°E, 1,297 m above sea level, in Tanzania. The nearest listed city is Buseresere, 8.0 km away.

Topography around Katoro

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

Within 3 km, the terrain around Katoro has only modest variations in elevation — a maximum elevation change of 146 m around an average of 1,288 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, large variations in elevation — a maximum elevation change of 702 m.

The land around Katoro is covered by artificial surfaces (44%) and cropland (26%) within 3 km, cropland (64%) within 16 km, and cropland (53%) within 80 km.

3 km
146 m
16 km
251 m
80 km
702 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Buseresere 8.0 km · Geita 36 km · Chato 44 km · Mhalamba 47 km · Ushirombo 55 km · Uyovu 55 km · Kasamwa 58 km · Diobahika 59 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 Katoro (-2.9998°, 31.9326°, elevation 1,297 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).