São Paulo · Brazil · 23.67° S · 46.46° W
Solar position in Mauá
Sun position, daylight and the best solar panel angle for Mauá — computed for 23.67° S, 46.46° W, 773 m above sea level.
The sun right now
Sun in Mauá today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:06 | sun 18° below horizon |
| Nautical dawn | 04:34 | 12° below |
| Civil dawn | 05:02 | 6° below |
| Sunrise | 05:25 | 103° ESE |
| Golden hour ends | 05:55 | sun 6° up |
| Solar noon | 11:50 | 78.2° high |
| Golden hour starts | 17:44 | sun 6° up |
| Sunset | 18:15 | 257° WSW |
| Civil dusk | 18:38 | 6° below |
| Nautical dusk | 19:05 | 12° below |
| Astronomical dusk | 19:33 | 18° below |
| Day length | 12 h 50 min | |
Sun path diagram for Mauá
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 42.9° at solar noon in Mauá; on the December solstice only 89.8°. 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 | 05:36 | 12:17 | 18:57 | 13 h 21 min | 86.1° |
| February | 05:57 | 12:19 | 18:41 | 12 h 44 min | 76.7° |
| March | 06:09 | 12:12 | 18:15 | 12 h 06 min | 65.9° |
| April | 06:22 | 12:04 | 17:46 | 11 h 25 min | 54.3° |
| May | 06:35 | 12:02 | 17:29 | 10 h 53 min | 46.1° |
| June | 06:47 | 12:07 | 17:27 | 10 h 41 min | 42.9° |
| July | 06:45 | 12:12 | 17:38 | 10 h 53 min | 46.0° |
| August | 06:26 | 12:09 | 17:51 | 11 h 25 min | 54.4° |
| September | 05:56 | 11:58 | 18:01 | 12 h 05 min | 65.8° |
| October | 05:27 | 11:50 | 18:13 | 12 h 46 min | 77.2° |
| November | 05:11 | 11:51 | 18:32 | 13 h 21 min | 86.3° |
| December | 05:15 | 12:03 | 18:51 | 13 h 36 min | 89.8° |
A year of daylight in Mauá
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 Mauá
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: 1432 kWh per kWp.
33°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° | 1333 | 93% | 2.57 | 1.7× |
| 15° | 1419 | 99% | 3.18 | 1.4× |
| 24° year-round best = latitude | 1432 | 100% | 3.45 | 1.2× |
| 30° | 1424 | 99% | 3.59 | 1.2× |
| 33° off-grid best | 1416 | 99% | 3.65 | 1.1× |
| 45° | 1350 | 94% | 3.79 | 1.3× |
| 60° | 1201 | 84% | 3.75 | 1.6× |
| 70° | 1066 | 74% | 3.60 | 1.9× |
| 90° | 752 | 53% | 3.01 | 2.7× |
A fixed array in Mauá produces the most over a year at 24°. The design month for an off-grid system is June: at 33° it makes 3.65 kWh per kWp a day, 6% more than at 24°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Mauá 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 | 5.33 | 2.47 | 2.00 | 3.93 | 23.6 °C |
| February | 5.51 | 3.05 | 2.49 | 4.30 | 23.8 °C |
| March | 4.95 | 3.59 | 2.96 | 4.18 | 23.0 °C |
| April | 4.35 | 4.20 | 3.49 | 4.07 | 21.6 °C |
| May | 3.50 | 4.13 | 3.47 | 3.57 | 19.0 °C |
| June | 3.20 | 4.26 | 3.60 | 3.45 | 18.0 °C |
| July | 3.41 | 4.46 | 3.77 | 3.67 | 17.5 °C |
| August | 4.07 | 4.44 | 3.74 | 4.06 | 18.4 °C |
| September | 4.35 | 3.55 | 2.96 | 3.86 | 19.9 °C |
| October | 4.88 | 3.02 | 2.49 | 3.95 | 21.3 °C |
| November | 5.29 | 2.57 | 2.10 | 3.99 | 21.7 °C |
| December | 5.57 | 2.41 | 1.95 | 4.05 | 23.0 °C |
| Year | 4.53 avg | 3.52 avg | 1066 kWh | 1432 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 600 Wp of panels at 70°, versus 340 Wp at 24°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mauá
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 Mauá compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
2103rdof 2,264 places in Brazil for sunshine, shared: 4.53 peak sun hours a day on flat ground.
−9%solar energy a year compared with the average place in Brazil: 1,432 against 1,581 kWh per kWp.
+1 mindaylight on the longest day, compared with São Paulo: 13 h 36 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); Mauá ranks joint 2103rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.95 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 41 min, ±0 min compared with São Paulo.
Solar forecast for Mauá, 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 Mauá
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A free, live card for Mauá: 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.