Nsunga weather in September

In September, Nsunga sees average daytime highs of 27°C and overnight lows near 16°C, with 89 mm of rain across 15.9 wet days and about 12 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 20% 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 Nsunga's 4th-clearest and 4th-windiest month. For the whole year in context, see Nsunga's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
4th coldest
Rainfall
89 mm
15.9 wet days
Daylight
12 hours
6:49 AM – 6:49 PM
Cloud cover
67%
4th clearest
Wind
7 km/h
4th windiest
Solar energy
5.51 kWh/m²
Travel score
5.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical September day in Nsunga reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302716

Nsunga weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°8115.212.15.5
Feb28° / 17°6612.5125.3
Mar28° / 17°9415.8125.4
Apr27° / 17°10918125.0
May27° / 17°7413.511.95.9
Jun27° / 16°376.111.97.0
Jul27° / 15°193.411.97.5
Aug27° / 16°6210.6126.4
Sep27° / 16°8915.9125.5
Oct27° / 16°14121.4124.7
Nov26° / 16°16023.312.14.3
Dec26° / 16°12019.712.15.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34555
44456
54357
64357
74258
84258
94258
104159
114159
124060
134060
144060
154060
163961
173862
183763
193763
203664
213664
223664
233466
243466
253466
263169
273070
283070
292872
302872

Chance of precipitation in September

Any precipitation

Nsunga gets around 89 mm of rain over 15.9 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 53% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
148
249
350
450
551
651
751
851
952
1052
1152
1252
1352
1452
1552
1652
1752
1852
1952
2052
2153
2253
2354
2454
2555
2656
2757
2858
2958
3059

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1220726
2219736
3218746
4117766
5116776
6115786
7114796
8114796
9113806
10113797
11112807
12112807
13112798
14112798
15012799
16012799
17012799
180117910
190117910
200108010
210107911
22098011
23088012
24088012
25078013
26068113
27068014
28058114
29048115
30048115

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:55 AM to 6:43 AM, and sunset from 6:53 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:556:53
212.06:546:53
312.06:546:53
412.06:546:53
512.06:536:52
612.06:536:52
712.06:536:52
812.06:526:51
912.06:526:51
1012.06:516:51
1112.06:516:50
1212.06:516:50
1312.06:506:50
1412.06:506:49
1512.06:496:49
1612.06:496:49
1712.06:496:48
1812.06:486:48
1912.06:486:48
2012.06:476:47
2112.06:476:47
2212.06:476:47
2312.06:466:46
2412.06:466:46
2512.06:456:46
2612.06:456:45
2712.06:456:45
2812.06:446:45
2912.06:446:44
3012.06:436:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.96 kWh/m² to a high of 5.84 kWh/m² in February across the year — September's 5.51 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Nsunga?

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

5.5
Sightseeing
5th-best month of the year
5.6
Beach & pool
8th-best month of the year

September is a reasonable time to visit Nsunga for sightseeing.

What to pack for Nsunga in September

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

In September, Nsunga sees daytime highs around 27°C and nights near 16°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Nsunga 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 Nsunga peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jun 20UV 10
UV index (midday)Level
Jan12Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Nsunga 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 Nsunga is worst in January — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1927 µg/m³Apr 2113 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb24Moderate
Mar18Moderate
Apr13Moderate
May14Moderate
Jun20Moderate
Jul24Moderate
Aug26Moderate
Sep21Moderate
Oct16Moderate
Nov16Moderate
Dec20Moderate
Location & terrain

Where is Nsunga?

Nsunga sits at 1.1°S, 31.4°E, 1,202 m above sea level, in Tanzania. The nearest listed city is Katerero, 47 km away.

IsingiroKalisizoNshamba

Topography around Nsunga

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

Within 3 km, the terrain around Nsunga has only modest variations in elevation — a maximum elevation change of 177 m around an average of 1,200 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 192 m; within 80 km, large variations in elevation — a maximum elevation change of 770 m.

The land around Nsunga is covered by shrubs (36%) and grassland (35%) within 3 km, grassland (41%), trees (27%) and shrubs (21%) within 16 km, and grassland (34%) and shrubs (22%) within 80 km.

3 km
177 m
16 km
192 m
80 km
770 m
treesshrubsgrasslandcroplandwaterwetland
September weather nearby: Katerero 47 km · Bukoba 51 km · Kamachumu 58 km · Kasaali 61 km · Nakivale Refugee Camp 63 km · Isingiro 70 km · Kalisizo 72 km · Nshamba 75 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 Nsunga (-1.1439°, 31.3947°, elevation 1,202 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).