Chongwe weather in September

In September, Chongwe sees average daytime highs of 29°C and overnight lows near 17°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.

Highs climb over the month, from about 28°C in the first days to 31°C by the end. The sky is clear or mostly clear about 81% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Chongwe's 1st-clearest and 2nd-windiest month. For the whole year in context, see Chongwe's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
17°
6th coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 h 54 min
6:02 AM – 5:57 PM
Cloud cover
19%
1st clearest
Wind
14 km/h
2nd windiest
Solar energy
6.8 kWh/m²
Travel score
7.1
out of 10

Chongwe is municipality of Zambia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 31°C by the end.

A typical September day in Chongwe reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°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 about 3°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12815
22815
32815
42816
52816
62816
72916
82916
92916
102916
112916
122917
132917
142917
152917
163017
173017
183017
193018
203018
213018
223018
233018
243018
253118
263119
273119
283119
293119
303119

Chongwe 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° / 19°21525.112.84.1
Feb27° / 19°16321.712.54.3
Mar27° / 18°10918.212.15.3
Apr26° / 16°23611.77.4
May25° / 14°30.811.38.8
Jun23° / 12°10.311.19.1
Jul23° / 11°10.111.29.0
Aug26° / 14°10.211.59.0
Sep29° / 17°20.311.97.1
Oct32° / 20°92.312.35.3
Nov31° / 21°691212.74.5
Dec28° / 19°17222.512.94.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
8928
9919
10919
11919
12919
139010
148911
158911
168911
178911
188911
198911
208911
218911
228911
238911
248911
258911
268911
278911
288911
298911
308911

Chance of precipitation in September

Any precipitation

Chongwe 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 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
61
71
81
91
101
111
121
131
141
151
161
172
181
191
201
211
221
231
241
252
262
272
282
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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69820
79820
89820
99820
109820
119721
129721
139721
149721
159631
169631
179631
189631
199541
209541
219451
229451
239361
249361
259271
269271
279181
289091
299091
3088102

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 6:14 AM to 5:51 AM, and sunset from 5:56 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:145:56
211.76:135:56
311.76:135:56
411.76:125:56
511.86:115:56
611.86:105:56
711.86:095:56
811.86:095:57
911.86:085:57
1011.86:075:57
1111.86:065:57
1211.96:055:57
1311.96:055:57
1411.96:045:57
1511.96:035:57
1611.96:025:57
1711.96:015:57
1811.96:015:57
1912.06:005:57
2012.05:595:57
2112.05:585:57
2212.05:575:57
2312.05:565:58
2412.05:565:58
2512.05:555:58
2612.15:545:58
2712.15:535:58
2812.15:525:58
2912.15:525:58
3012.15:515:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.8 kWh/m².

For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 7.2 kWh/m² in October across the year — September's 6.8 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.5Intense
46.5Intense
56.5Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Chongwe

In seasonPeak

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

Chongwe's monsoon runs December–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 Chongwe?

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

7.1
Sightseeing
6th-best month of the year
9.1
Beach & pool
1st-best month of the year

September is one of the better times to visit Chongwe for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chongwe in September

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

In September, Chongwe sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Chongwe 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 Chongwe peaks around January 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 19UV 16Jun 23UV 9
UV index (midday)Level
Jan17Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme

Air quality in Chongwe 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 Chongwe is worst in August — around 45 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (December, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateAug 1744 µg/m³Dec 2114 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr16Moderate
May19Moderate
Jun27Moderate
Jul37Poor
Aug45Poor
Sep38Poor
Oct27Moderate
Nov19Moderate
Dec14Moderate
Location & terrain

Where is Chongwe?

Chongwe sits at 15.3°S, 28.7°E, 1,102 m above sea level, in Zambia. The nearest listed city is Palabana, 20 km away.

Topography around Chongwe

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

Within 3 km, the terrain around Chongwe has only modest variations in elevation — a maximum elevation change of 98 m around an average of 1,082 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 316 m; within 80 km, large variations in elevation — a maximum elevation change of 1,104 m.

The land around Chongwe is covered by grassland (32%) and artificial surfaces (29%) within 3 km, grassland (37%), shrubs (23%) and cropland (23%) within 16 km, and trees (35%), shrubs (27%) and grassland (24%) within 80 km.

3 km
98 m
16 km
316 m
80 km
1,104 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Palabana 20 km · Ntandabale 29 km · Madido 33 km · Chisankane 39 km · Lusaka 43 km · Chunga 44 km · Chilanga Township 52 km · Namalombwe 53 km

Zambia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 30% of US
price level, 2025
GDP per capita
$1,318
2025
Happiness
4.1 / 10
World Happiness, 2025
Homicide rate
5.2
per 100k, 2015
Road deaths
20.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 573
Religion
Protestant 75%Roman Catholic 20%other 3%none 2%

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 Chongwe (-15.3292°, 28.682°, elevation 1,102 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).