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Tiwanaku Weather in September
September in Tiwanaku brings moderate temperatures around 17°C (63°F) during the day, dropping to 4°C (39°F) at night, with some rainfall expected.
Rainfall in Tiwanaku in September
Past climate data indicates that roughly 8 days will see rain, totalling around 43 mm (1.7 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Tiwanaku in September
Expect highs of 17°C (63°F) in Tiwanaku in September, with nights dropping to around 4°C (39°F). The difference between afternoon and evening temperatures is usually noticeable. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Tiwanaku in September
Expect a lot of sunshine this month, with about 210 hours of sun. These sunny conditions add to the overall experience.If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and November typically offer the best circumstances for Tiwanaku.
Tiwanaku Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
17°C (63°F)
Chance of Rain
26%
Precipitation
43 mm (1.7 in)
Rainy days
8 days
Humidity
48% *
Sunshine
210 hours *
Percentage Sunshine
*
* Data from: La Paz, Bolivia (58 KM, 36 Miles).
Tiwanaku Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tiwanaku - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tiwanaku typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 1°C (34°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Tiwanaku in September
Browse day-by-day weather records for Tiwanaku spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tiwanaku historical weather extremes in September
Based on 43 years of weather observations in Tiwanaku between 1983 and 2026, these are the recorded extremes.
- The warmest day in September was on September 16, 2016, with a maximum of 24°C (75°F).
- The coldest September day was on September 14, 2005, with a maximum of 5°C (41°F).
- Nighttime temperatures dropped to -9°C (16°F) on September 2, 2018, marking the coldest September night on record.
Best Places in Bolivia in September
Find out more about the weather in Bolivia and which places have the best travel conditions in this month. See all of Bolivia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Tiwanaku in September
For Tiwanaku in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Tiwanaku in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping5/10 -
Outdoor sports10/10
Tiwanaku 3-Day Forecast
More climate data for Tiwanaku
Temperature Rainfall Sunshine Humidity
See the full Tiwanaku climate overview or explore weather in Bolivia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Santa Cruz de la Sierra
31°C (88°F) Sucre23°C (73°F) Tarija21°C (70°F) Cochabamba19°C (66°F) Potosí18°C (64°F) Uyuni17°C (63°F) La Paz
15°C (59°F) Copacabana14°C (57°F) Bucket list
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