Kisesa weather in September

In September, Kisesa sees average daytime highs of 31°C and overnight lows near 18°C, with 9 mm of rain across 1.8 wet days and about 12 hours of daylight. It is the 2nd-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 26% 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 Kisesa's 3rd-clearest and 4th-windiest month. For the whole year in context, see Kisesa's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
18°
4th coldest
Rainfall
9 mm
1.8 wet days
Daylight
12 hours
6:38 AM – 6:37 PM
Cloud cover
57%
3rd clearest
Wind
13 km/h
4th windiest
Solar energy
6.53 kWh/m²
Travel score
5.6
out of 10

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 Kisesa reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°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)
13017
23017
33018
43018
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163118
173118
183118
193118
203118
213118
223118
233118
243118
253118
263118
273118
283118
293118
303118

Kisesa weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°1111512.25.1
Feb29° / 18°9012.612.14.9
Mar29° / 18°11215124.8
Apr28° / 18°1091511.95.3
May28° / 18°305.111.96.5
Jun29° / 17°51.511.86.7
Jul29° / 17°20.311.87.0
Aug29° / 17°50.911.96.4
Sep31° / 18°91.8125.6
Oct31° / 19°305.512.14.9
Nov30° / 18°9212.312.14.7
Dec28° / 18°12016.212.24.9

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 30% of September, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55842
65842
75842
85842
95842
105941
115941
125842
135842
145842
155743
165842
175842
185743
195644
205644
215545
225446
235347
245347
255248
265149
275149
285050
295050
304951

Chance of precipitation in September

Any precipitation

Kisesa gets around 9 mm of rain over 1.8 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
25
35
45
55
65
75
85
95
105
116
126
135
145
155
165
175
186
196
206
216
226
237
247
257
268
278
288
299
309

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19172
29172
39172
49172
59172
69172
79262
89262
99262
109262
119262
129262
139262
149262
159262
169262
179172
189172
199172
209172
219172
229172
239172
249082
258983
268983
278893
288893
298893
3087103

Wind in September

Winds average 13 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
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012calm

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 6:45 AM to 6:32 AM, and sunset from 6:41 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:456:41
211.96:446:41
311.96:446:41
411.96:446:41
512.06:436:40
612.06:436:40
712.06:426:40
812.06:426:39
912.06:416:39
1012.06:416:39
1112.06:416:39
1212.06:406:38
1312.06:406:38
1412.06:396:38
1512.06:396:38
1612.06:386:37
1712.06:386:37
1812.06:376:37
1912.06:376:36
2012.06:366:36
2112.06:366:36
2212.06:356:36
2312.06:356:35
2412.06:356:35
2512.06:346:35
2612.06:346:34
2712.06:336:34
2812.06:336:34
2912.06:326:34
3012.06:326:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.53 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.53 kWh/m² to a high of 6.53 kWh/m² in September across the year — September's 6.53 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
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
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 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 Kisesa?

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

5.6
Sightseeing
5th-best month of the year
7.9
Beach & pool
4th-best month of the year

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

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 31°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

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 14 at about 16 (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 14UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov14Extreme
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 July — around 19 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1418 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May9Good
Jun16Moderate
Jul19Moderate
Aug14Moderate
Sep10Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is Kisesa?

Kisesa sits at 3.1°S, 34.1°E, 1,351 m above sea level, in Tanzania. The nearest listed city is Bariadi, 37 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 43 m around an average of 1,348 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, large variations in elevation — a maximum elevation change of 937 m.

The land around Kisesa is covered by cropland (79%) within 3 km, cropland (78%) within 16 km, and cropland (56%) and grassland (31%) within 80 km.

3 km
43 m
16 km
132 m
80 km
937 m
treesshrubsgrasslandcropland
September weather nearby: Bariadi 37 km · Somanda 39 km · Nyalikungu 42 km · Shanwa 44 km · Lalago 46 km · Maswa 48 km · Mwanhuzi 53 km · Nyakabindi 53 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 (-3.0833°, 34.15°, elevation 1,351 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).