Usagara weather in September

In September, Usagara sees average daytime highs of 29°C and overnight lows near 20°C, with 67 mm of rain across 11 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 30% 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 Usagara's 4th-clearest and 4th-windiest month. For the whole year in context, see Usagara's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
9th coldest
Rainfall
67 mm
11 wet days
Daylight
12 hours
6:43 AM – 6:42 PM
Cloud cover
58%
4th clearest
Wind
9 km/h
4th windiest
Solar energy
6.48 kWh/m²
Travel score
5.2
out of 10

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 Usagara reaches about 29°C in the afternoon and slips back to 20°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 32°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
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920

Usagara 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° / 19°12519.612.15.0
Feb28° / 20°9313.912.15.2
Mar28° / 20°14118.2124.8
Apr28° / 20°1501811.94.9
May28° / 19°538.811.96.2
Jun29° / 19°214.111.86.4
Jul29° / 18°81.611.96.6
Aug29° / 19°355.611.96.0
Sep29° / 20°6711125.2
Oct28° / 20°15521.112.14.5
Nov27° / 19°21924.512.14.2
Dec27° / 19°18923.912.24.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55644
65644
75644
85644
95446
105446
115446
125545
135446
145446
155347
165347
175248
185248
195149
205149
215050
224852
234852
244753
254753
264456
274456
284456
294357
304258

Chance of precipitation in September

Any precipitation

Usagara gets around 67 mm of rain over 11 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 38% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
131
231
332
432
533
633
734
834
934
1034
1134
1234
1334
1434
1534
1635
1735
1835
1936
2037
2138
2239
2341
2442
2544
2646
2748
2849
2951
3052

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 27% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
143192117
242202217
340202217
439212318
537222318
636222418
734232419
833232519
932242519
1030242620
1129252620
1229252620
1328262621
1427262521
1527262522
1627272522
1726272522
1826272423
1925272424
2024272425
2123272426
2223262427
2322262528
2421252529
2520242630
2619232632
2717232733
2816222834
2915212935
3014203036

Wind in September

Winds average 9 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
209calm
219calm
229calm
239calm
249calm
259calm
269calm
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 6:49 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)
111.96:496:46
212.06:496:46
312.06:486:46
412.06:486:45
512.06:486:45
612.06:476:45
712.06:476:45
812.06:466:44
912.06:466:44
1012.06:456:44
1112.06:456:43
1212.06:456:43
1312.06:446:43
1412.06:446:42
1512.06:436:42
1612.06:436:42
1712.06:426:42
1812.06:426:41
1912.06:416:41
2012.06:416:41
2112.06:416:40
2212.06:406:40
2312.06:406:40
2412.06:396:40
2512.06:396:39
2612.06:386:39
2712.06:386:39
2812.06:386:38
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 6.48 kWh/m².

For context, solar energy here swings from a low near 5.67 kWh/m² to a high of 6.52 kWh/m² in February across the year — September's 6.48 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
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.4Intense
Planning a trip in September

Hazard calendar for Usagara

In seasonPeak

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

Usagara'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 Usagara?

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

5.2
Sightseeing
5th-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for Usagara in September

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

In September, Usagara sees daytime highs around 29°C and nights near 20°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Usagara 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 Usagara peaks around March 15 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 15UV 16Jun 18UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec11Extreme

Air quality in Usagara 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 Usagara is worst in January — around 23 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (May, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 1923 µg/m³May 2114 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb21Moderate
Mar18Moderate
Apr16Moderate
May13Moderate
Jun14Moderate
Jul14Moderate
Aug15Moderate
Sep16Moderate
Oct14Moderate
Nov16Moderate
Dec19Moderate
Location & terrain

Where is Usagara?

Usagara sits at 2.7°S, 33.0°E, 1,294 m above sea level, in Tanzania. The nearest listed city is Kisesa, 15 km away.

Topography around Usagara

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

Within 3 km, the terrain around Usagara has only modest variations in elevation — a maximum elevation change of 124 m around an average of 1,234 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 468 m.

The land around Usagara is covered by cropland (70%) within 3 km, cropland (58%) within 16 km, and cropland (56%) and water (28%) within 80 km.

3 km
124 m
16 km
241 m
80 km
468 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Kisesa 15 km · Misungwi 21 km · Mwanza 22 km · Sengerema 39 km · Kihangara 40 km · Ngudu 49 km · Magu 51 km · Nansio 61 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 Usagara (-2.6833°, 33°, elevation 1,294 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).