10-day forecast — Rio de Janeiro
Refreshed hourly
Thu · Today · 12 Nov
Mostly cloudy
85°
68°
0.08 in
Wind3 mph E
Gusts9 mph
UV index12 – Extreme
Precip chance69%
Sunrise5:01 AM
Sunset6:11 PM
Fri · Tomorrow · 13 Nov
Showers
82°
70°
0.16 in
Wind4 mph W
Gusts12 mph
UV index13 – Extreme
Precip chance77%
Sunrise5:01 AM
Sunset6:12 PM
Saturday · 14 Nov
Showers
83°
70°
0.04 in
Wind9 mph S
Gusts15 mph
UV index11 – Very high
Precip chance54%
Sunrise5:01 AM
Sunset6:13 PM
Sunday · 15 Nov
Partly cloudy
87°
68°
0.35 in
Wind9 mph SE
Gusts17 mph
UV index9 – Very high
Precip chance83%
Sunrise5:00 AM
Sunset6:13 PM
Monday · 16 Nov
Showers
83°
71°
0.19 in
Wind6 mph SE
Gusts15 mph
UV index7 – High
Precip chance85%
Sunrise5:00 AM
Sunset6:14 PM
Tuesday · 17 Nov
Showers
83°
71°
0.06 in
Wind9 mph SE
Gusts18 mph
UV index7 – High
Precip chance65%
Sunrise5:00 AM
Sunset6:15 PM
Wednesday · 18 Nov
Partly cloudy
88°
72°
0.17 in
Wind3 mph SE
Gusts11 mph
UV index8 – Very high
Precip chance74%
Sunrise4:59 AM
Sunset6:15 PM
Thursday · 19 Nov
Showers
84°
75°
0.35 in
Wind6 mph SE
Gusts12 mph
UV index7 – High
Precip chance88%
Sunrise4:59 AM
Sunset6:16 PM
Friday · 20 Nov
Showers
87°
74°
0.13 in
Wind2 mph W
Gusts11 mph
UV index8 – Very high
Precip chance78%
Sunrise4:59 AM
Sunset6:17 PM
Saturday · 21 Nov
Showers
82°
74°
0.18 in
Wind5 mph S
Gusts14 mph
UV index7 – High
Precip chance85%
Sunrise4:59 AM
Sunset6:17 PM
Sunday · 22 Nov
Showers
78°
72°
0.16 in
Wind7 mph S
Gusts20 mph
UV index7 – High
Precip chance81%
Sunrise4:59 AM
Sunset6:18 PM
Monday · 23 Nov
Light drizzle
77°
71°
0.80 in
Wind9 mph SE
Gusts20 mph
UV index7 – High
Precip chance89%
Sunrise4:59 AM
Sunset6:19 PM
Tuesday · 24 Nov
Showers
77°
70°
0.10 in
Wind7 mph SW
Gusts18 mph
UV index6 – High
Precip chance79%
Sunrise4:58 AM
Sunset6:19 PM
Wednesday · 25 Nov
Showers
73°
67°
0.08 in
Wind4 mph S
Gusts12 mph
UV index6 – High
Precip chance75%
Sunrise4:58 AM
Sunset6:20 PM
About Rio de Janeiro
CountryBrazil
RegionRio de Janeiro
Population6,747,815
ContinentSouth America
Time zoneAmerica/Sao_Paulo (-03:00)
Latitude-22.9070°
Longitude-43.1730°
Air QualityModerate (AQI 84)
Details & indices
Wind
2 mph NE
Gusts 6 mph
Humidity
89%
Dew point 72°
Pressure
30.00 inHg
Rising
UV index
12 — Extreme
High today
Air Quality
Moderate
AQI 84 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise5:01 AM
Sunset6:11 PM
Length of day13h 10m
Moonrise7:30 AM
Moonset9:41 PM
Moon phase🌔 Waxing Crescent
Local time9:01 PM (-03:00)
Rio de Janeiro climate in September
8-year averages · when to visitBest months: January–December · September: Good
| August | September | October | |
|---|---|---|---|
| Average temperature | ▲ 70°F | 72°F | ▲ 73°F |
| Typical high | ▲ 77°F | 79°F | → 79°F |
| Typical low | ▲ 64°F | 68°F | ▲ 70°F |
| Water temperature | ▲ 72°F | 73°F | ▼ 71°F |
| Precipitation | → 2.6 in | 2.6 in | ▲ 3.7 in |
| Wet days | ▼ 10 d | 9 d | ▲ 16 d |
| Humidity | ▼ 76% | 74% | ▲ 79% |
| Sunshine per day | ▲ 9.0 h | 9.8 h | ▼ 9.2 h |
| Cloud cover | ▼ 20% | 18% | ▲ 27% |
| Midday UV | ▲ 8 | 10 | ▲ 11 |
| Daylight | 11:21 | 11:58 | 12:38 |
| Our take | Good | Good | Good |
September temperatures day by day daily mean + smoothed trend · °F
September precipitation day by day in
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 9:01 PM
Rio de Janeiro, Brazil · 22.91°S, 43.17°W · America/Sao_Paulo · Forecast computed for these exact coordinates