Usevia weather in September

In September, Usevia sees average daytime highs of 32°C and overnight lows near 20°C, with 1 mm of rain across 0.1 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 67% 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 h 06 min by month's end. Set against the rest of the year, September is Usevia's 4th-clearest and 3rd-windiest month. For the whole year in context, see Usevia's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
20°
10th coldest
Rainfall
1 mm
0.1 wet days
Daylight
12 hours
6:51 AM – 6:48 PM
Cloud cover
31%
4th clearest
Wind
11 km/h
3rd windiest
Solar energy
6.7 kWh/m²
Travel score
5.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical September day in Usevia reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13119
23120
33120
43120
53120
63120
73120
83220
93220
103220
113220
123220
133220
143220
153220
163221
173221
183221
193221
203221
213221
223321
233321
243321
253321
263321
273321
283321
293321
303321

How September really feels in Usevia

Once humidity and wind are folded in, September averages 16 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
16
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Usevia 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° / 20°9919.412.44.3
Feb29° / 20°7815.612.24.3
Mar29° / 20°8517.2124.4
Apr29° / 20°439.611.85.4
May30° / 20°5111.76.3
Jun29° / 18°0011.67.1
Jul29° / 17°0011.67.5
Aug30° / 19°0011.86.5
Sep32° / 20°10.1125.2
Oct33° / 22°132.712.24.1
Nov31° / 21°6811.612.34.1
Dec29° / 20°10419.112.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28614
38614
48614
58515
68416
78416
88416
98416
108416
118416
128317
138416
148416
158416
168317
178317
188317
198218
208119
218119
227921
237921
247723
257723
267525
277525
287327
297327
307129

Chance of precipitation in September

Any precipitation

Usevia gets around 1 mm of rain over 0.1 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 0% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
231
241
251
261
271
281
292
302

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49820
59631
69631
79631
89631
99631
109541
119541
129640
139640
149640
159640
169640
179640
189640
199541
209451
219451
229451
239262
249262
259073
268983
278794
2886104
2985114
3084124

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over September. Sunrise moves from 6:59 AM to 6:43 AM, and sunset from 6:51 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:596:51
211.96:586:51
311.96:586:50
411.96:576:50
511.96:576:50
611.96:566:50
711.96:566:50
811.96:556:50
911.96:556:49
1011.96:546:49
1111.96:536:49
1211.96:536:49
1311.96:526:49
1411.96:526:49
1512.06:516:48
1612.06:516:48
1712.06:506:48
1812.06:496:48
1912.06:496:48
2012.06:486:48
2112.06:486:47
2212.06:476:47
2312.06:476:47
2412.06:466:47
2512.06:456:47
2612.06:456:47
2712.06:446:46
2812.06:446:46
2912.06:436:46
3012.16:436:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.7 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.26 kWh/m² to a high of 6.7 kWh/m² in September across the year — September's 6.7 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.7Intense
Planning a trip in September

Is September a good time to visit Usevia?

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

5.2
Sightseeing
6th-best month of the year
8.3
Beach & pool
5th-best month of the year

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

What to pack for Usevia in September

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

In September, Usevia sees daytime highs around 32°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Usevia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Usevia peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 16Jun 19UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Extreme
Aug10Very high
Sep12Extreme
Oct14Extreme
Nov12Extreme
Dec13Extreme

Air quality in Usevia 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 Usevia is worst in August — around 40 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (April, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodAug 1339 µg/m³Apr 218 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr8Good
May8Good
Jun24Moderate
Jul36Poor
Aug40Poor
Sep29Moderate
Oct17Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Usevia?

Usevia sits at 7.1°S, 31.2°E, 928 m above sea level, in Tanzania. The nearest listed city is Namanyere, 51 km away.

KirandoMpandaSumbawangaKitukuMataiBaudhuinville

Topography around Usevia

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

Within 3 km, the terrain around Usevia has only modest variations in elevation — a maximum elevation change of 34 m around an average of 931 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 935 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,561 m.

The land around Usevia is covered by cropland (54%) and grassland (35%) within 3 km, cropland (30%), trees (25%) and grassland (24%) within 16 km, and trees (45%) and grassland (20%) within 80 km.

3 km
34 m
16 km
935 m
80 km
1,561 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Namanyere 51 km · Chala 54 km · Kirando 78 km · Mpanda 86 km · Sumbawanga 105 km · Kituku 125 km · Matai 137 km · Baudhuinville 165 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 Usevia (-7.1°, 31.2333°, elevation 928 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).