Lagos · Nigeria · 6.42° N · 3.14° E
Solar position in Irewe
Sun position, daylight and the best solar panel angle for Irewe — computed for 6.42° N, 3.14° E, 7 m above sea level.
The sun right now
Sun in Irewe today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:23 | sun 18° below horizon |
| Nautical dawn | 05:47 | 12° below |
| Civil dawn | 06:12 | 6° below |
| Sunrise | 06:33 | 102° ESE |
| Golden hour ends | 07:01 | sun 6° up |
| Solar noon | 12:31 | 71.7° high |
| Golden hour starts | 18:01 | sun 6° up |
| Sunset | 18:29 | 258° WSW |
| Civil dusk | 18:50 | 6° below |
| Nautical dusk | 19:15 | 12° below |
| Astronomical dusk | 19:39 | 18° below |
| Day length | 11 h 56 min | |
Sun path diagram for Irewe
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 73.0° at solar noon in Irewe; on the December solstice only 60.2°. Sunrise swings from 66° ENE in June to 113° ESE in December — a 47° 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 | 07:04 | 12:58 | 18:53 | 11 h 49 min | 63.8° |
| February | 07:02 | 13:01 | 18:59 | 11 h 57 min | 73.1° |
| March | 06:51 | 12:54 | 18:58 | 12 h 07 min | 83.9° |
| April | 06:37 | 12:46 | 18:54 | 12 h 18 min | 84.5° |
| May | 06:30 | 12:43 | 18:57 | 12 h 26 min | 76.2° |
| June | 06:34 | 12:49 | 19:04 | 12 h 30 min | 73.0° |
| July | 06:40 | 12:53 | 19:07 | 12 h 26 min | 76.0° |
| August | 06:41 | 12:50 | 18:59 | 12 h 18 min | 84.4° |
| September | 06:36 | 12:40 | 18:43 | 12 h 07 min | 84.2° |
| October | 06:33 | 12:32 | 18:30 | 11 h 57 min | 72.8° |
| November | 06:39 | 12:33 | 18:27 | 11 h 49 min | 63.6° |
| December | 06:52 | 12:45 | 18:38 | 11 h 45 min | 60.2° |
A year of daylight in Irewe
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 Irewe
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
8°collects the most energy over a year: 1343 kWh per kWp.
0°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1333 | 99% | 3.11 | 1.3× |
| 6° = latitude | 1342 | 100% | 3.03 | 1.4× |
| 8° year-round best | 1343 | 100% | 2.99 | 1.4× |
| 15° | 1335 | 99% | 2.85 | 1.5× |
| 30° | 1268 | 94% | 2.45 | 1.8× |
| 45° | 1137 | 85% | 1.94 | 2.2× |
| 60° | 953 | 71% | 1.39 | 2.9× |
| 70° | 813 | 61% | 1.10 | 3.3× |
| 90° | 567 | 42% | 0.96 | 2.8× |
A fixed array in Irewe produces the most over a year at 8°. The design month for an off-grid system is June: at 0° it makes 3.11 kWh per kWp a day, 4% more than at 8°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Irewe at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 8° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 8° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.87 | 4.17 | 3.40 | 4.04 | 26.4 °C |
| February | 4.80 | 3.49 | 2.82 | 3.89 | 27.4 °C |
| March | 5.02 | 2.97 | 2.39 | 3.99 | 27.8 °C |
| April | 5.06 | 2.24 | 1.78 | 3.93 | 27.6 °C |
| May | 4.68 | 1.63 | 1.28 | 3.57 | 27.2 °C |
| June | 3.94 | 1.41 | 1.10 | 2.99 | 26.2 °C |
| July | 3.92 | 1.43 | 1.12 | 3.00 | 25.2 °C |
| August | 4.20 | 1.74 | 1.38 | 3.27 | 24.8 °C |
| September | 4.28 | 2.31 | 1.86 | 3.40 | 25.4 °C |
| October | 4.68 | 3.16 | 2.56 | 3.79 | 26.1 °C |
| November | 5.03 | 4.18 | 3.40 | 4.16 | 26.9 °C |
| December | 4.93 | 4.48 | 3.65 | 4.12 | 26.7 °C |
| Year | 4.62 avg | 2.76 avg | 813 kWh | 1343 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 1,070 Wp of panels at 70°, versus 390 Wp at 8°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Irewe
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.
1.9 mrow pitch at 70°
2.2 mrow pitch at 8°
How Irewe compares in Nigeria
Against the other 267 places in Nigeria with climate data, for a fixed array at its best angle.
187thof 268 places in Nigeria for sunshine, shared: 4.62 peak sun hours a day on flat ground.
−10%solar energy a year compared with the average place in Nigeria: 1,343 against 1,489 kWh per kWp.
±0 mindaylight on the longest day, compared with Lagos: 12 h 30 min against 12 h 30 min.
8°best year-round tilt here; across Nigeria it runs from 7° in Port Harcourt to 15° in Gamboru.
Of the 268 places in Nigeria, Kumagunnam and one other place get the most sun (6.17 peak sun hours a day) and Bonny the least (4.14); Irewe ranks joint 187th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.10 kWh a day here, against 1.26 kWh on average in Nigeria. The shortest day lasts 11 h 45 min, ±0 min compared with Lagos.
Solar forecast for Irewe, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Irewe
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Places near Irewe
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A free, live card for Irewe: 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.