Mountain air

Potosí weather in September

Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

82

Holiday weather in September

Excellent

Best time to visit: May – October

What is the weather like in Potosí in September?

In September, Potosí is cool: daytime highs average 15 °C, and nights cool down to about 1 °C. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 27 mm. All in all, September is an excellent month for a holiday in Potosí.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score858272
Day14°15°15°
Night−2°1°3°
Sun8 h7 h7 h
Rain days3711

More details for September

Daylight
11 h 58 min06:20 – 18:17
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
36 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC−4America/La_Paz

How the score comes together

  • Temperatureweight 50 %86 %
  • Sunshineweight 20 %73 %
  • Few rainy daysweight 30 %81 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in September

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Potosí in September: quick answers

Is Potosí hot in September?

No. In September, Potosí is cool: daytime highs average 15 °C and nights drop to about 1 °C.

Does it rain much in Potosí in September?

Rain falls on about 7 days, adding up to 27 mm.

Potosí month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences