Chimala weather in September

In September, Chimala sees average daytime highs of 29°C and overnight lows near 15°C, with 2 mm of rain across 0.3 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 9th-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 60% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Chimala's 4th-clearest and 2nd-windiest month. For the whole year in context, see Chimala's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
15°
4th coldest
Rainfall
2 mm
0.3 wet days
Daylight
12 hours
6:40 AM – 6:37 PM
Cloud cover
36%
4th clearest
Wind
8 km/h
2nd windiest
Solar energy
6.96 kWh/m²
Travel score
6.8
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 Chimala reaches about 29°C in the afternoon and slips back to 15°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12915
22915
32915
42915
52915
62915
72915
82915
92915
102915
112915
122915
132915
142915
152915
163015
173015
183016
193016
203016
213016
223016
233016
243016
253016
263016
273016
283016
293016
303016

Chimala weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°17520.612.54.7
Feb28° / 18°14017.412.34.7
Mar28° / 18°26720.912.14.7
Apr28° / 17°1731411.85.6
May28° / 16°151.611.67.5
Jun27° / 14°1011.58.5
Jul27° / 13°00.111.58.7
Aug28° / 14°00.111.78.1
Sep29° / 15°20.311.96.8
Oct31° / 17°413.112.25.5
Nov31° / 18°1188.812.44.8
Dec28° / 18°18316.912.54.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38218
48317
58317
68317
78317
88416
98416
108416
118515
128515
138515
148515
158515
168515
178515
188515
198515
208515
218515
228416
238317
248317
258317
268317
278317
288218
298119
308119

Chance of precipitation in September

Any precipitation

Chimala gets around 2 mm of rain over 0.3 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 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
272
282
293
303

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8982
9982
10982
11982
12982
13982
14982
15982
16982
17991
18991
19982
20982
21982
22982
23982
24973
25973
26973
27964
28955
29955
30946

Wind in September

Winds average 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 6:49 AM to 6:31 AM, and sunset from 6:38 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:496:38
211.86:486:38
311.86:486:38
411.96:476:38
511.96:466:38
611.96:466:38
711.96:456:38
811.96:456:38
911.96:446:38
1011.96:436:38
1111.96:436:37
1211.96:426:37
1311.96:426:37
1411.96:416:37
1511.96:406:37
1612.06:406:37
1712.06:396:37
1812.06:386:37
1912.06:386:36
2012.06:376:36
2112.06:376:36
2212.06:366:36
2312.06:356:36
2412.06:356:36
2512.06:346:36
2612.06:346:36
2712.06:336:36
2812.16:326:35
2912.16:326:35
3012.16:316:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.96 kWh/m².

For context, solar energy here swings from a low near 5.6 kWh/m² to a high of 7.21 kWh/m² in October across the year — September's 6.96 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
Planning a trip in September

Hazard calendar for Chimala

In seasonPeak

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

Chimala's monsoon runs December–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Chimala?

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

6.8
Sightseeing
5th-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Chimala in September

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

In September, Chimala sees daytime highs around 29°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Chimala 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 Chimala peaks around February 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Jun 18UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chimala 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 Chimala is worst in October — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodOct 1219 µg/m³May 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar11Good
Apr9Good
May7Good
Jun8Good
Jul11Good
Aug15Moderate
Sep18Moderate
Oct19Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is Chimala?

Chimala sits at 8.9°S, 34.0°E, 1,143 m above sea level, in Tanzania. The nearest listed city is Igurusi, 19 km away.

Topography around Chimala

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

Within 3 km, the terrain around Chimala has significant variations in elevation — a maximum elevation change of 590 m around an average of 1,194 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,422 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,467 m.

The land around Chimala is covered by cropland (37%), shrubs (27%) and trees (21%) within 3 km, cropland (34%), shrubs (32%) and trees (21%) within 16 km, and shrubs (29%), trees (28%) and cropland (25%) within 80 km.

3 km
590 m
16 km
1,422 m
80 km
2,467 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Igurusi 19 km · Urunda 38 km · Rujewa 43 km · Tukuyu 60 km · Katumba 61 km · Ilembula 62 km · Mbeya 63 km · Kiwira 64 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 Chimala (-8.8564°, 34.0239°, elevation 1,143 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).