Alagoas · Brazil · 9.78° S · 36.09° W
Solar position in São Miguel dos Campos
Sun position, daylight and the best solar panel angle for São Miguel dos Campos — computed for 9.78° S, 36.09° W, 13 m above sea level.
The sun right now
Sun in São Miguel dos Campos today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:45 | sun 18° below horizon |
| Nautical dawn | 04:10 | 12° below |
| Civil dawn | 04:35 | 6° below |
| Sunrise | 04:56 | 102° ESE |
| Golden hour ends | 05:25 | sun 6° up |
| Solar noon | 11:08 | 87.9° high |
| Golden hour starts | 16:52 | sun 6° up |
| Sunset | 17:20 | 258° WSW |
| Civil dusk | 17:41 | 6° below |
| Nautical dusk | 18:06 | 12° below |
| Astronomical dusk | 18:32 | 18° below |
| Day length | 12 h 23 min | |
Sun path diagram for São Miguel dos Campos
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 56.8° at solar noon in São Miguel dos Campos; on the December solstice only 76.3°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 05:17 | 11:35 | 17:53 | 12 h 36 min | 80.0° |
| February | 05:27 | 11:37 | 17:48 | 12 h 21 min | 89.4° |
| March | 05:28 | 11:31 | 17:34 | 12 h 06 min | 79.8° |
| April | 05:27 | 11:22 | 17:17 | 11 h 50 min | 68.2° |
| May | 05:31 | 11:20 | 17:09 | 11 h 38 min | 60.0° |
| June | 05:39 | 11:26 | 17:12 | 11 h 33 min | 56.8° |
| July | 05:41 | 11:30 | 17:19 | 11 h 38 min | 59.8° |
| August | 05:32 | 11:27 | 17:22 | 11 h 50 min | 68.3° |
| September | 05:14 | 11:17 | 17:20 | 12 h 06 min | 79.7° |
| October | 04:58 | 11:08 | 17:20 | 12 h 22 min | 88.9° |
| November | 04:52 | 11:10 | 17:28 | 12 h 36 min | 79.8° |
| December | 05:01 | 11:22 | 17:43 | 12 h 42 min | 76.3° |
A year of daylight in São Miguel dos Campos
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 São Miguel dos Campos
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
8°collects the most energy over a year: 1708 kWh per kWp.
25°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° | 1695 | 99% | 3.53 | 1.6× |
| 8° year-round best | 1708 | 100% | 3.81 | 1.4× |
| 10° = latitude | 1707 | 100% | 3.87 | 1.3× |
| 15° | 1698 | 99% | 4.00 | 1.3× |
| 25° off-grid best | 1646 | 96% | 4.18 | 1.2× |
| 30° | 1604 | 94% | 4.23 | 1.2× |
| 45° | 1420 | 83% | 4.22 | 1.5× |
| 60° | 1162 | 68% | 3.96 | 2.2× |
| 70° | 966 | 57% | 3.66 | 3.1× |
| 90° | 641 | 38% | 2.78 | 2.7× |
A fixed array in São Miguel dos Campos produces the most over a year at 8°. The design month for an off-grid system is June: at 25° it makes 4.18 kWh per kWp a day, 10% more than at 8°, and costs 4% of the yearly total. Why steep panels win winter.
Off-grid solar in São Miguel dos Campos 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 | 6.48 | 1.74 | 1.37 | 4.93 | 27.0 °C |
| February | 6.37 | 2.38 | 1.90 | 4.95 | 27.2 °C |
| March | 6.26 | 3.35 | 2.71 | 4.99 | 27.4 °C |
| April | 5.67 | 4.22 | 3.43 | 4.66 | 27.0 °C |
| May | 4.86 | 4.43 | 3.62 | 4.10 | 26.0 °C |
| June | 4.45 | 4.45 | 3.66 | 3.81 | 24.8 °C |
| July | 4.62 | 4.44 | 3.66 | 3.95 | 23.9 °C |
| August | 5.22 | 4.26 | 3.51 | 4.39 | 23.8 °C |
| September | 5.99 | 3.71 | 3.04 | 4.89 | 24.5 °C |
| October | 6.51 | 2.73 | 2.20 | 5.14 | 25.7 °C |
| November | 6.90 | 1.83 | 1.44 | 5.27 | 26.5 °C |
| December | 6.78 | 1.52 | 1.18 | 5.11 | 27.0 °C |
| Year | 5.84 avg | 3.26 avg | 966 kWh | 1708 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 1,000 Wp of panels at 70°, versus 310 Wp at 8°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in São Miguel dos Campos
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.
2.1 mrow pitch at 70°
2.2 mrow pitch at 8°
How São Miguel dos Campos compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
170thof 2,264 places in Brazil for sunshine, shared: 5.84 peak sun hours a day on flat ground.
+8%solar energy a year compared with the average place in Brazil: 1,708 against 1,581 kWh per kWp.
−54 mindaylight on the longest day, compared with São Paulo: 12 h 42 min against 13 h 35 min.
8°best year-round tilt here; across Brazil it runs from 0° in Macapá to 28° in Santa Vitória do Palmar.
Of the 2,264 places in Brazil, Catolé do Rocha gets the most sun (6.16 peak sun hours a day) and Paranaguá the least (4.01); São Miguel dos Campos ranks joint 170th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.18 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 33 min, +52 min compared with São Paulo.
Solar forecast for São Miguel dos Campos, 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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A free, live card for São Miguel dos Campos: 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.