São Paulo · Brazil · 22.88° S · 46.96° W
Solar position in Souzas
Sun position, daylight and the best solar panel angle for Souzas — computed for 22.88° S, 46.96° W, 649 m above sea level.
The sun right now
Sun in Souzas today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:10 | sun 18° below horizon |
| Nautical dawn | 04:37 | 12° below |
| Civil dawn | 05:04 | 6° below |
| Sunrise | 05:28 | 103° ESE |
| Golden hour ends | 05:58 | sun 6° up |
| Solar noon | 11:52 | 79.0° high |
| Golden hour starts | 17:45 | sun 6° up |
| Sunset | 18:16 | 257° WSW |
| Civil dusk | 18:39 | 6° below |
| Nautical dusk | 19:06 | 12° below |
| Astronomical dusk | 19:34 | 18° below |
| Day length | 12 h 48 min | |
Sun path diagram for Souzas
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 43.7° at solar noon in Souzas; on the December solstice only 89.4°. Sunrise swings from 65° ENE in June to 116° ESE in December — a 51° 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 | 05:40 | 12:19 | 18:57 | 13 h 18 min | 86.9° |
| February | 05:59 | 12:21 | 18:42 | 12 h 43 min | 77.5° |
| March | 06:11 | 12:14 | 18:17 | 12 h 06 min | 66.7° |
| April | 06:23 | 12:06 | 17:49 | 11 h 26 min | 55.1° |
| May | 06:36 | 12:04 | 17:32 | 10 h 56 min | 46.9° |
| June | 06:47 | 12:09 | 17:31 | 10 h 44 min | 43.7° |
| July | 06:46 | 12:14 | 17:42 | 10 h 56 min | 46.8° |
| August | 06:28 | 12:11 | 17:54 | 11 h 26 min | 55.2° |
| September | 05:58 | 12:00 | 18:03 | 12 h 05 min | 66.6° |
| October | 05:30 | 11:52 | 18:14 | 12 h 44 min | 78.0° |
| November | 05:14 | 11:53 | 18:33 | 13 h 19 min | 87.1° |
| December | 05:19 | 12:05 | 18:52 | 13 h 33 min | 89.4° |
A year of daylight in Souzas
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 Souzas
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
24°collects the most energy over a year: 1574 kWh per kWp.
26°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° | 1457 | 93% | 2.91 | 1.6× |
| 15° | 1557 | 99% | 3.64 | 1.3× |
| 23° = latitude | 1573 | 100% | 3.93 | 1.2× |
| 24° year-round best | 1574 | 100% | 3.96 | 1.2× |
| 26° off-grid best | 1573 | 100% | 4.02 | 1.2× |
| 30° | 1566 | 100% | 4.13 | 1.2× |
| 45° | 1486 | 94% | 4.37 | 1.5× |
| 60° | 1322 | 84% | 4.34 | 1.8× |
| 70° | 1173 | 75% | 4.16 | 2.2× |
| 90° | 824 | 52% | 3.48 | 3.1× |
A fixed array in Souzas produces the most over a year at 24°. The design month for an off-grid system is June: at 26° it makes 4.02 kWh per kWp a day, 2% more than at 24°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Souzas at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 24° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 24° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.52 | 2.49 | 2.02 | 4.07 | 23.1 °C |
| February | 5.70 | 3.09 | 2.53 | 4.44 | 23.1 °C |
| March | 5.27 | 3.77 | 3.11 | 4.45 | 22.4 °C |
| April | 4.74 | 4.58 | 3.82 | 4.47 | 20.9 °C |
| May | 3.87 | 4.64 | 3.92 | 4.01 | 18.0 °C |
| June | 3.61 | 4.92 | 4.16 | 3.96 | 17.2 °C |
| July | 3.86 | 5.13 | 4.35 | 4.21 | 17.0 °C |
| August | 4.63 | 5.11 | 4.31 | 4.66 | 18.6 °C |
| September | 5.04 | 4.10 | 3.41 | 4.49 | 20.9 °C |
| October | 5.50 | 3.29 | 2.71 | 4.42 | 22.4 °C |
| November | 5.76 | 2.68 | 2.19 | 4.32 | 22.3 °C |
| December | 5.87 | 2.45 | 1.98 | 4.25 | 23.0 °C |
| Year | 4.94 avg | 3.86 avg | 1173 kWh | 1574 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 590 Wp of panels at 70°, versus 300 Wp at 24°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Souzas
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.
2.9 mrow pitch at 70°
2.8 mrow pitch at 24°
How Souzas compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1576thof 2,264 places in Brazil for sunshine, shared: 4.94 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Brazil: 1,574 against 1,581 kWh per kWp.
−3 mindaylight on the longest day, compared with São Paulo: 13 h 33 min against 13 h 35 min.
24°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); Souzas ranks joint 1576th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.98 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 44 min, +3 min compared with São Paulo.
Solar forecast for Souzas, 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 Souzas
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A free, live card for Souzas: 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.