Daytime highs, nighttime lows and the warmest cities in Rondônia, Brazil this September.
Rondônia, Brazil, a region in Brazil, experiences very high average maximum daytime temperatures in September, ranging from 33°C (91°F) in Vilhena to 35°C (95°F) in Ariquemes. Nighttime temperatures generally drop to 23°C (73°F) in Ariquemes and 21°C (70°F) in Vilhena.
To get a sense of September's typical temperatures in the key spots of Rondônia, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rondônia.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Porto Velho averages a daytime high of 34°C (93°F) in September, which is very high for Rondônia, Brazil.
Average overnight lows in Rondônia, Brazil during September sit near 24°C (75°F) in Porto Velho.
From a thorough analysis of our records, Ariquemes clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 35°C (95°F), and evenings that remain near 23°C (73°F).
Our database indicates that in September, Vilhena is the city with the coolest temperatures in Rondônia, Brazil. You can expect daytime highs of 33°C (91°F) and nighttime lows close to 21°C (70°F).
We have much more information about the climate in Rondônia.
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