Kalima weather in September

In September, Kalima sees average daytime highs of 31°C and overnight lows near 20°C, with 55 mm of rain across 11 wet days and about 12 hours of daylight. It is the 4th-warmest and 8th-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 muggy.

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 Kalima's 5th-clearest and 5th-windiest month. For the whole year in context, see Kalima's year-round climate.

Daytime high
31°
4th warmest
Overnight low
20°
9th coldest
Rainfall
55 mm
11 wet days
Daylight
12 hours
6:02 AM – 6:01 PM
Cloud cover
61%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
5.43 kWh/m²
Travel score
4.4
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 Kalima reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13220
23120
33120
43120
53120
63120
73120
83120
93120
103120
113120
123120
133120
143120
153120
163120
173120
183120
193120
203120
213120
223120
233120
243120
253120
263020
273020
283020
293020
303020

Kalima weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°19824.112.34.1
Feb28° / 20°14618.612.24.2
Mar29° / 20°16921.8124.0
Apr29° / 20°10114.811.94.6
May31° / 20°275.511.85.2
Jun31° / 19°40.811.75.4
Jul32° / 19°10.311.75.4
Aug32° / 19°132.911.84.9
Sep31° / 20°5511124.4
Oct29° / 20°16021.412.14.0
Nov27° / 20°24225.712.23.8
Dec27° / 19°22326.512.33.9

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 22% of September, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
25941
35941
45743
55545
65545
75347
85248
95248
105050
115050
125050
134951
144951
154852
164753
174654
184654
194654
204456
214456
224456
234258
244258
254159
264060
273961
283862
293763
303565

Chance of precipitation in September

Any precipitation

Kalima gets around 55 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 37% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
121
222
323
424
525
626
727
829
930
1031
1132
1233
1334
1435
1536
1637
1738
1839
1940
2041
2142
2243
2345
2446
2547
2648
2749
2850
2951
3053

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1282326230
2262326250
3252327260
4232327280
5212328290
6192328310
7172328330
8152328340
9132328360
10122228380
11112227400
1292227410
1382227430
1472227440
1562126460
1662026471
1752026491
1851926501
1941826511
2041725531
2141525551
2231424581
2331324591
2431223611
2531123621
2631022641
273921652
282821672
292720692
302719702

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
265calm
275calm
285calm
295calm
305calm

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 6:10 AM to 5:55 AM, and sunset from 6:04 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:106:04
211.96:106:03
311.96:096:03
411.96:096:03
511.96:086:03
611.96:086:03
711.96:076:03
811.96:076:02
911.96:066:02
1011.96:056:02
1111.96:056:02
1211.96:046:01
1312.06:046:01
1412.06:036:01
1512.06:036:01
1612.06:026:01
1712.06:026:00
1812.06:016:00
1912.06:016:00
2012.06:006:00
2112.06:005:59
2212.05:595:59
2312.05:595:59
2412.05:585:59
2512.05:585:59
2612.05:575:58
2712.05:575:58
2812.05:565:58
2912.05:565:58
3012.05:555:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.43 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 5.43 kWh/m² in September across the year — September's 5.43 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Kalima

In seasonPeak

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

Kalima's monsoon runs October–March, 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 Kalima?

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

4.4
Sightseeing
6th-best month of the year
6.4
Beach & pool
5th-best month of the year

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

What to pack for Kalima in September

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

In September, Kalima sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Kalima in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kalima peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 17UV 15Aug 14UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug7High
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Kalima 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 Kalima is worst in August — around 109 µg/m³ PM2.5 (unhealthy), about 13.8× the cleanest month (April, 8 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateGoodAug 20106 µg/m³Apr 108 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar11Good
Apr8Good
May26Moderate
Jun70Unhealthy
Jul70Unhealthy
Aug109Unhealthy
Sep94Unhealthy
Oct21Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Kalima?

Kalima sits at 5.5°S, 28.2°E, 755 m above sea level, in Democratic Republic of the Congo. The nearest listed city is Nyunzu, 57 km away.

KalemieKongoloKabaloKigomaMwandigaKasongoRumonge

Topography around Kalima

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

Within 3 km, the terrain around Kalima has only modest variations in elevation — a maximum elevation change of 72 m around an average of 758 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 412 m; within 80 km, large variations in elevation — a maximum elevation change of 1,016 m.

The land around Kalima is covered by shrubs (46%) and grassland (39%) within 3 km, trees (43%), grassland (32%) and shrubs (25%) within 16 km, and trees (64%) and grassland (20%) within 80 km.

3 km
72 m
16 km
412 m
80 km
1,016 m
treesshrubsgrassland
September weather nearby: Nyunzu 57 km · Kalemie 120 km · Kongolo 135 km · Kabalo 157 km · Kigoma 170 km · Mwandiga 176 km · Kasongo 208 km · Rumonge 216 km

Democratic Republic of the Congo travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$807
2025
Happiness
3.8 / 10
World Happiness, 2025
Safe drinking water
12%
of population, 2024
Road deaths
34.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 400

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 Kalima (-5.4854°, 28.216°, elevation 755 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).