Nyimba weather in September

In September, Nyimba sees average daytime highs of 33°C and overnight lows near 20°C, with 1 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 32°C in the first days to 34°C by the end. The sky is clear or mostly clear about 76% 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 Nyimba's 1st-clearest and 2nd-windiest month. For the whole year in context, see Nyimba's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
20°
6th coldest
Rainfall
1 mm
0.3 wet days
Daylight
11 h 54 min
5:53 AM – 5:49 PM
Cloud cover
24%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
6.57 kWh/m²
Travel score
4.6
out of 10

Nyimba is ward 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 32°C in the first days to 34°C by the end.

A typical September day in Nyimba reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13118
23218
33218
43218
53219
63219
73219
83219
93219
103319
113319
123320
133320
143320
153320
163320
173320
183420
193421
203421
213421
223421
233421
243421
253421
263421
273421
283422
293522
303522

How September really feels in Nyimba

Once humidity and wind are folded in, September averages 25 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
25
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nyimba 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
Jan29° / 21°22824.712.83.5
Feb29° / 21°17520.112.53.8
Mar29° / 21°12217.312.14.4
Apr29° / 19°26511.76.1
May29° / 17°50.711.37.4
Jun27° / 15°10.111.28.5
Jul27° / 14°10.111.28.6
Aug30° / 17°10.111.56.9
Sep33° / 20°10.311.94.6
Oct35° / 23°8212.33.0
Nov34° / 24°7110.812.72.8
Dec30° / 22°2002312.83.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38812
48812
58812
68812
78812
88713
98713
108713
118713
128614
138713
148713
158713
168713
178812
188812
198812
208812
218911
228911
238713
248713
258713
268713
278713
288614
298614
308614

Chance of precipitation in September

Any precipitation

Nyimba gets around 1 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
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
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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19550
29550
39550
49550
59550
69550
79550
89550
99550
109451
119361
129361
139361
149361
159361
169271
179271
189271
199181
209082
218992
2288102
2387112
2486122
2586122
2685132
2784142
2883152
2983152
3082162

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 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
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light 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 6:05 AM to 5:43 AM, and sunset from 5:48 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:055:48
211.76:045:48
311.76:045:48
411.86:035:48
511.86:025:48
611.86:015:48
711.86:015:48
811.86:005:48
911.85:595:48
1011.85:585:48
1111.95:575:48
1211.95:575:48
1311.95:565:49
1411.95:555:49
1511.95:545:49
1611.95:535:49
1711.95:535:49
1811.95:525:49
1912.05:515:49
2012.05:505:49
2112.05:505:49
2212.05:495:49
2312.05:485:49
2412.05:475:49
2512.05:465:49
2612.15:465:49
2712.15:455:49
2812.15:445:49
2912.15:435:49
3012.15:435:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.57 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.89 kWh/m² in October across the year — September's 6.57 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.6Intense
176.6Intense
186.6Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Nyimba

In seasonPeak

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

Nyimba'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 Nyimba?

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

4.6
Sightseeing
6th-best month of the year
8.1
Beach & pool
5th-best month of the year

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

What to pack for Nyimba in September

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

In September, Nyimba sees daytime highs around 33°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Nyimba in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nyimba peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 21UV 15Jun 22UV 9
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep10Extreme
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Nyimba 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 Nyimba is worst in August — around 39 µg/m³ PM2.5 (poor), about 5.9× the cleanest month (December, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodAug 1538 µg/m³Dec 187 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar8Good
Apr7Good
May10Good
Jun27Moderate
Jul36Poor
Aug39Poor
Sep36Poor
Oct20Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Nyimba?

Nyimba sits at 14.6°S, 30.8°E, 716 m above sea level, in Zambia. The nearest listed city is Petauke, 65 km away.

SindaKateteSerenjeMkushiChipataMchinjiSongo

Topography around Nyimba

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

Within 3 km, the terrain around Nyimba has only modest variations in elevation — a maximum elevation change of 78 m around an average of 727 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, large variations in elevation — a maximum elevation change of 1,039 m.

The land around Nyimba is covered by shrubs (35%) and grassland (34%) within 3 km, shrubs (37%), grassland (30%) and cropland (21%) within 16 km, and trees (35%) and shrubs (35%) within 80 km.

3 km
78 m
16 km
367 m
80 km
1,039 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Petauke 65 km · Sinda 109 km · Katete 148 km · Serenje 160 km · Mkushi 185 km · Chipata 223 km · Mchinji 238 km · Songo 239 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 Nyimba (-14.5566°, 30.8149°, elevation 716 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).