Chisasa weather in September

In September, Chisasa sees average daytime highs of 31°C and overnight lows near 17°C, with 5 mm of rain across 1.4 wet days and about 11.9 hours of daylight. It is the 1st-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 54% 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 Chisasa's 5th-clearest and 3rd-windiest month. For the whole year in context, see Chisasa's year-round climate.

Daytime high
31°
1st warmest
Overnight low
17°
10th coldest
Rainfall
5 mm
1.4 wet days
Daylight
11 h 54 min
6:14 AM – 6:10 PM
Cloud cover
38%
5th clearest
Wind
10 km/h
3rd windiest
Solar energy
6.7 kWh/m²
Travel score
5.6
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 Chisasa reaches about 31°C in the afternoon and slips back to 17°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13016
23016
33016
43016
53016
63117
73117
83117
93117
103117
113117
123117
133117
143117
153117
163118
173118
183118
193118
203118
213118
223218
233218
243218
253218
263218
273218
283218
293218
303218

Chisasa weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°2852912.63.6
Feb26° / 17°23825.112.43.8
Mar27° / 17°23025.712.14.2
Apr27° / 16°6010.311.76.4
May27° / 15°40.911.58.2
Jun26° / 13°00.111.39.0
Jul26° / 12°0011.49.1
Aug29° / 15°0011.67.6
Sep31° / 17°51.411.95.6
Oct31° / 18°498.612.34.7
Nov28° / 17°19323.812.64.0
Dec26° / 17°28328.812.73.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28218
38218
48119
58119
68020
78020
87822
97822
107822
117723
127723
137723
147723
157624
167624
177624
187624
197525
207426
217426
227327
237327
247327
257129
267129
277030
286931
296832
306634

Chance of precipitation in September

Any precipitation

Chisasa gets around 5 mm of rain over 1.4 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 5% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
10
21
31
41
51
62
72
82
92
103
113
123
133
143
154
164
174
184
195
205
216
227
237
248
259
2610
2711
2812
2912
3013

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 92% 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
59820
69820
79820
89820
99730
109730
119640
129640
139640
149550
159550
169460
179460
189271
199271
209181
218992
228992
2387103
2486113
2584124
2683125
2781136
2880146
2978157
3076168

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 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
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
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 6:25 AM to 6:04 AM, and sunset from 6:11 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:256:11
211.86:246:11
311.86:236:11
411.86:236:11
511.86:226:11
611.86:216:11
711.86:216:11
811.86:206:11
911.96:196:11
1011.96:196:11
1111.96:186:10
1211.96:176:10
1311.96:166:10
1411.96:166:10
1511.96:156:10
1611.96:146:10
1711.96:146:10
1812.06:136:10
1912.06:126:10
2012.06:116:10
2112.06:116:10
2212.06:106:10
2312.06:096:10
2412.06:096:10
2512.06:086:10
2612.06:076:10
2712.16:076:10
2812.16:066:10
2912.16:056:10
3012.16:046:10

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 5.02 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
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Chisasa

In seasonPeak

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

Chisasa's monsoon runs November–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 Chisasa?

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

5.6
Sightseeing
6th-best month of the year
8.2
Beach & pool
5th-best month of the year

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

What to pack for Chisasa in September

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

In September, Chisasa sees daytime highs around 31°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Chisasa 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 Chisasa peaks around January 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 18UV 16Jun 19UV 9
UV index (midday)Level
Jan17Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Chisasa 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 Chisasa is worst in August — around 80 µg/m³ PM2.5 (unhealthy), about 10.5× the cleanest month (April, 8 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyPoorModerateGoodAug 1577 µg/m³Apr 138 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar8Good
Apr8Good
May9Good
Jun26Moderate
Jul60Unhealthy
Aug80Unhealthy
Sep52Poor
Oct28Moderate
Nov12Good
Dec8Good
Location & terrain

Where is Chisasa?

Chisasa sits at 12.1°S, 25.5°E, 1,359 m above sea level, in Zambia. The nearest listed city is Manyama, 45 km away.

SolweziKansanshiMwinilungaMufumbweKasempaKolweziKambove

Topography around Chisasa

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

Within 3 km, the terrain around Chisasa has only modest variations in elevation — a maximum elevation change of 118 m around an average of 1,358 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 496 m.

The land around Chisasa is covered by trees (47%) and grassland (30%) within 3 km, trees (70%) and grassland (23%) within 16 km, and trees (87%) within 80 km.

3 km
118 m
16 km
211 m
80 km
496 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Manyama 45 km · Solwezi 97 km · Kansanshi 101 km · Mwinilunga 123 km · Mufumbwe 126 km · Kasempa 154 km · Kolwezi 155 km · Kambove 182 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 Chisasa (-12.1093°, 25.4961°, elevation 1,359 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).