Ndiyona weather in September

In September, Ndiyona sees average daytime highs of 33°C and overnight lows near 16°C, with 2 mm of rain across 0.5 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-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 86% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Ndiyona's 4th-clearest and 1st-windiest month. For the whole year in context, see Ndiyona's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
16°
5th coldest
Rainfall
2 mm
0.5 wet days
Daylight
11 h 54 min
6:35 AM – 6:29 PM
Cloud cover
16%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
6.79 kWh/m²
Travel score
4.8
out of 10

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 Ndiyona reaches about 33°C in the afternoon and slips back to 16°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, September runs about 4°C warmer than August and about 2°C cooler than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13114
23214
33214
43214
53215
63215
73215
83215
93215
103215
113315
123316
133316
143316
153316
163316
173316
183317
193317
203317
213417
223417
233418
243418
253418
263418
273418
283418
293418
303418

How September really feels in Ndiyona

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.

Ndiyona weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°17919.1133.9
Feb29° / 20°14516.612.64.2
Mar29° / 19°11415.212.14.7
Apr29° / 17°214.211.66.5
May28° / 13°10.211.28.3
Jun26° / 00.110.99.4
Jul25° / 00119.4
Aug29° / 12°0011.47.6
Sep33° / 16°20.511.94.8
Oct35° / 20°133.812.43.3
Nov33° / 20°7212.812.83.4
Dec31° / 20°12917.813.13.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3973
4964
5964
6964
7964
8964
9964
10964
11964
12955
13955
14946
15946
16946
17946
18946
19937
20937
21937
22937
23928
24928
25928
26928
27928
28928
29928
30928

Chance of precipitation in September

Any precipitation

Ndiyona gets around 2 mm of rain over 0.5 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 2% and peaks near 5% 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
192
202
212
222
233
243
253
264
274
285
295
305

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
1310000
1410000
1510000
1610000
1710000
189910
199910
209910
219910
229820
239820
249820
259631
269631
279541
289541
299541
309451

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 30 minutes over September. Sunrise moves from 6:48 AM to 6:22 AM, and sunset from 6:26 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:486:26
211.76:476:26
311.76:466:26
411.76:456:27
511.76:446:27
611.76:436:27
711.76:436:27
811.86:426:27
911.86:416:27
1011.86:406:28
1111.86:396:28
1211.86:386:28
1311.86:376:28
1411.96:366:28
1511.96:356:28
1611.96:356:29
1711.96:346:29
1811.96:336:29
1912.06:326:29
2012.06:316:29
2112.06:306:29
2212.06:296:29
2312.06:286:30
2412.06:276:30
2512.16:276:30
2612.16:266:30
2712.16:256:30
2812.16:246:30
2912.16:236:31
3012.16:226:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.79 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 7.23 kWh/m² in October across the year — September's 6.79 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
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.1Intense
307.1Intense
Planning a trip in September

Hazard calendar for Ndiyona

In seasonPeak

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

Ndiyona's rainy season runs December–March, when most of the year's rain falls.

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

Is September a good time to visit Ndiyona?

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

4.8
Sightseeing
6th-best month of the year
8.3
Beach & pool
6th-best month of the year

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

What to pack for Ndiyona in September

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

In September, Ndiyona sees daytime highs around 33°C and nights near 16°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ndiyona 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 Ndiyona peaks around January 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 highExtremeJan 16UV 16Jul 11UV 7
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Ndiyona 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 Ndiyona is worst in September — around 63 µg/m³ PM2.5 (unhealthy), about 15.0× the cleanest month (December, 4 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1559 µg/m³Dec 194 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr5Good
May7Good
Jun13Moderate
Jul19Moderate
Aug34Moderate
Sep63Unhealthy
Oct28Moderate
Nov8Good
Dec4Good
Location & terrain

Where is Ndiyona?

Ndiyona sits at 18.0°S, 20.7°E, 1,055 m above sea level, in Namibia. The nearest listed city is Rundu, 99 km away.

RunduGrootfonteinTsumebMaunKatima MuliloSesheke

Topography around Ndiyona

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

Within 3 km, the terrain around Ndiyona has only modest variations in elevation — a maximum elevation change of 56 m around an average of 1,068 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 63 m; within 80 km, only modest variations in elevation — a maximum elevation change of 135 m.

The land around Ndiyona is covered by shrubs (55%) and cropland (24%) within 3 km, shrubs (63%) within 16 km, and shrubs (87%) within 80 km.

3 km
56 m
16 km
63 m
80 km
135 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Rundu 99 km · Grootfontein 323 km · Tsumeb 342 km · Senanga 347 km · Maun 358 km · Katima Mulilo 383 km · Sesheke 386 km · Kalabo 399 km

Namibia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / M
220 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$4,876
2025
Happiness
4.8 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2021
Road deaths
34.8
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Christian 98%unaffiliated 2%other 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 Ndiyona (-18.0389°, 20.7006°, elevation 1,055 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).