Saint-Louis · Senegal · 16.51° N · 14.65° W
Solar position in Ndioum
Sun position, daylight and the best solar panel angle for Ndioum — computed for 16.51° N, 14.65° W, 18 m above sea level.
The sun right now
Sun in Ndioum today
Saturday, 24 October 2026 · local time UTC
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:40 | sun 18° below horizon |
| Nautical dawn | 06:06 | 12° below |
| Civil dawn | 06:31 | 6° below |
| Sunrise | 06:53 | 102° ESE |
| Golden hour ends | 07:22 | sun 6° up |
| Solar noon | 12:42 | 61.6° high |
| Golden hour starts | 18:02 | sun 6° up |
| Sunset | 18:31 | 258° WSW |
| Civil dusk | 18:53 | 6° below |
| Nautical dusk | 19:19 | 12° below |
| Astronomical dusk | 19:44 | 18° below |
| Day length | 11 h 38 min | |
Sun path diagram for Ndioum
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 83.1° at solar noon in Ndioum; on the December solstice only 50.1°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 07:30 | 13:09 | 18:49 | 11 h 18 min | 53.7° |
| February | 07:21 | 13:12 | 19:03 | 11 h 42 min | 63.1° |
| March | 07:02 | 13:05 | 19:09 | 12 h 08 min | 73.9° |
| April | 06:39 | 12:57 | 19:15 | 12 h 36 min | 85.5° |
| May | 06:26 | 12:55 | 19:24 | 12 h 58 min | 86.3° |
| June | 06:27 | 13:00 | 19:33 | 13 h 07 min | 83.1° |
| July | 06:35 | 13:05 | 19:34 | 12 h 58 min | 86.1° |
| August | 06:43 | 13:01 | 19:19 | 12 h 36 min | 85.5° |
| September | 06:47 | 12:51 | 18:55 | 12 h 08 min | 74.1° |
| October | 06:52 | 12:43 | 18:33 | 11 h 41 min | 62.7° |
| November | 07:05 | 12:44 | 18:23 | 11 h 18 min | 53.5° |
| December | 07:22 | 12:56 | 18:31 | 11 h 09 min | 50.1° |
A year of daylight in Ndioum
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Ndioum
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
16°collects the most energy over a year: 1818 kWh per kWp.
18°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1762 | 97% | 3.89 | 1.4× |
| 15° | 1818 | 100% | 4.56 | 1.2× |
| 16° year-round best | 1818 | 100% | 4.60 | 1.2× |
| 17° = latitude | 1818 | 100% | 4.63 | 1.2× |
| 18° off-grid best | 1817 | 100% | 4.67 | 1.2× |
| 30° | 1773 | 98% | 4.97 | 1.3× |
| 45° | 1631 | 90% | 5.08 | 1.5× |
| 60° | 1400 | 77% | 4.89 | 1.9× |
| 70° | 1208 | 66% | 4.61 | 2.4× |
| 90° | 821 | 45% | 3.68 | 3.2× |
A fixed array in Ndioum produces the most over a year at 16°. The design month for an off-grid system is December: at 18° it makes 4.67 kWh per kWp a day, 1% more than at 16°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Ndioum at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.15 | 5.56 | 4.61 | 4.78 | 22.5 °C |
| February | 5.83 | 5.21 | 4.28 | 5.12 | 24.7 °C |
| March | 6.76 | 4.71 | 3.82 | 5.55 | 27.9 °C |
| April | 7.20 | 3.60 | 2.87 | 5.51 | 30.8 °C |
| May | 7.15 | 2.74 | 2.14 | 5.20 | 33.3 °C |
| June | 6.80 | 2.44 | 1.89 | 4.87 | 33.7 °C |
| July | 6.54 | 2.46 | 1.93 | 4.75 | 31.8 °C |
| August | 6.36 | 2.88 | 2.28 | 4.80 | 30.5 °C |
| September | 6.13 | 3.78 | 3.03 | 4.88 | 30.3 °C |
| October | 5.89 | 4.82 | 3.87 | 4.96 | 30.1 °C |
| November | 5.29 | 5.47 | 4.45 | 4.77 | 27.1 °C |
| December | 4.90 | 5.60 | 4.61 | 4.60 | 23.9 °C |
| Year | 6.17 avg | 4.10 avg | 1208 kWh | 1818 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 620 Wp of panels at 70°, versus 260 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Ndioum
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
2.4 mrow pitch at 70°
2.4 mrow pitch at 16°
How Ndioum compares in Senegal
Against the other 64 places in Senegal with climate data, for a fixed array at its best angle.
1stof 65 places in Senegal for sunshine: 6.17 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Senegal: 1,818 against 1,758 kWh per kWp.
+7 mindaylight on the longest day, compared with Dakar: 13 h 07 min against 13 h 00 min.
16°best year-round tilt here; across Senegal it runs from 14° in Kaolack to 16° in Richard-Toll.
Ndioum gets the most sun of the 65 places in Senegal (6.17 peak sun hours a day); the least sunny is Ziguinchor with 5.63. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.89 kWh a day here, against 1.69 kWh on average in Senegal. The shortest day lasts 11 h 09 min, −7 min compared with Dakar.
Solar forecast for Ndioum, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
Loading the latest forecast…
Questions about the sun in Ndioum
What is the best solar panel angle in Ndioum?
What time is sunrise and sunset in Ndioum today?
How many peak sun hours does Ndioum get?
How high does the sun get in Ndioum?
Is Ndioum a good place for solar panels?
Places near Ndioum
Put this on your site
A free, live card for Ndioum: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.