Kisesa weather in September

In September, Kisesa sees average daytime highs of 26°C and overnight lows near 21°C, with 104 mm of rain across 15.4 wet days and about 12 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 34% 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 Kisesa's 4th-clearest and 4th-windiest month. For the whole year in context, see Kisesa's year-round climate.

Daytime high
26°
5th warmest
Overnight low
21°
7th coldest
Rainfall
104 mm
15.4 wet days
Daylight
12 hours
6:43 AM – 6:42 PM
Cloud cover
57%
4th clearest
Wind
12 km/h
4th windiest
Solar energy
6.43 kWh/m²
Travel score
5.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Kisesa reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52621
62621
72621
82621
92621
102621
112621
122621
132621
142621
152621
162621
172621
182621
192621
202621
212621
222621
232621
242621
252621
262621
272621
282621
292621
302621

Kisesa weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 21°16022.312.14.9
Feb26° / 22°11315.612.15.5
Mar26° / 22°18119.3125.2
Apr26° / 21°1962011.94.9
May26° / 21°8812.711.96.3
Jun26° / 21°336.211.97.3
Jul26° / 20°122.711.98.0
Aug26° / 21°538.411.97.2
Sep26° / 21°10415.4125.9
Oct25° / 21°21124.412.14.5
Nov25° / 21°2662612.14.2
Dec25° / 21°22425.712.14.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55842
65743
75842
85842
95743
105644
115743
125644
135644
145545
155545
165446
175347
185347
195248
205149
215050
224951
234852
244753
254555
264555
274456
284357
294357
304258

Chance of precipitation in September

Any precipitation

Kisesa gets around 104 mm of rain over 15.4 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 52% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
142
243
344
444
545
646
746
847
947
1047
1148
1248
1348
1448
1549
1649
1750
1850
1951
2052
2154
2255
2357
2459
2560
2662
2764
2865
2967
3068

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
115363316
214363316
313363417
412363517
511363518
610363618
79363619
89353719
98353720
108343820
117343821
127343821
137333822
147333822
157333822
167323823
177323823
187313824
196303825
206293926
216283927
226273928
235263929
245254030
255244031
265224132
274214133
284204234
294184335
304174436

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 6:49 AM to 6:37 AM, and sunset from 6:46 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:496:46
212.06:496:46
312.06:486:46
412.06:486:45
512.06:476:45
612.06:476:45
712.06:476:44
812.06:466:44
912.06:466:44
1012.06:456:44
1112.06:456:43
1212.06:446:43
1312.06:446:43
1412.06:436:42
1512.06:436:42
1612.06:436:42
1712.06:426:41
1812.06:426:41
1912.06:416:41
2012.06:416:41
2112.06:406:40
2212.06:406:40
2312.06:406:40
2412.06:396:39
2512.06:396:39
2612.06:386:39
2712.06:386:39
2812.06:376:38
2912.06:376:38
3012.06:376:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.43 kWh/m².

For context, solar energy here swings from a low near 5.63 kWh/m² to a high of 6.57 kWh/m² in February across the year — September's 6.43 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.3Intense
Planning a trip in September

Hazard calendar for Kisesa

In seasonPeak

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

Kisesa'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 Kisesa?

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

5.9
Sightseeing
5th-best month of the year
5.6
Beach & pool
5th-best month of the year

September is a reasonable time to visit Kisesa for sightseeing.

What to pack for Kisesa in September

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

In September, Kisesa sees daytime highs around 26°C and nights near 21°C. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Kisesa 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 Kisesa peaks around March 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 15UV 16Jun 17UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Kisesa 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 Kisesa is worst in January — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJan 2117 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb16Moderate
Mar11Good
Apr9Good
May10Good
Jun14Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Kisesa?

Kisesa sits at 2.5°S, 33.0°E, 1,306 m above sea level, in Tanzania. The nearest listed city is Mwanza, 15 km away.

Topography around Kisesa

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

Within 3 km, the terrain around Kisesa has only modest variations in elevation — a maximum elevation change of 156 m around an average of 1,256 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 468 m.

The land around Kisesa is covered by cropland (42%) and artificial surfaces (26%) within 3 km, cropland (61%) within 16 km, and cropland (50%) and water (36%) within 80 km.

3 km
156 m
16 km
211 m
80 km
468 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Mwanza 15 km · Usagara 15 km · Misungwi 34 km · Kihangara 35 km · Sengerema 45 km · Magu 46 km · Nansio 46 km · Ngudu 57 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 Kisesa (-2.55°, 33.0333°, elevation 1,306 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).