Rondonia weather in September
Are you planning a trip to Rondonia in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Rondonia in September?
Rondonia is a region in Brazil. September in Rondonia generally has very warm temperatures, with precipitation levels ranging from moderate to high.
The average maximum temperatures are very warm and range from 33°C in Vilhena to 35°C in Ariquemes. Nighttime temperatures generally drop to 23°C in Ariquemes and 21°C in Vilhena. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.
In September, precipitation varies across different areas. From moderate rainfall in Ji-Paraná with an average of 87 mm to high rainfall in Porto Velho with 105 mm.
To learn more about the conditions in specific areas of Rondonia in September, check out the map below. For more details on the yearly weather, visit our Rondonia climate page.
Where to go in Rondonia in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Rondonia?
Porto Velho
In September Porto Velho generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are unpleasant that month.
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Ariquemes
In September Ariquemes generally has very high temperatures with maximum daytime temperatures around 35°C, minimum nighttime temperatures around 23°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.
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Ji-Paraná
In September Ji-Paraná generally has very high temperatures with maximum daytime temperatures around 35°C, minimum nighttime temperatures around 23°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.
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Vilhena
In September Vilhena generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 21°C and moderate monthly rainfall. So on average the conditions are pleasant that month.
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Cacoal
In September Cacoal generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 23°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Rondonia, in Brazil.
Is September the best time to visit Rondonia?
In our view, September might not be the best time to travel to Rondonia with often unpleasant weather in Porto Velho.
On average, the best time to visit Rondonia is in July with generally perfect weather in Porto Velho. On the other hand, the weather in January, February, March, April, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Rondonia.
Interested in the weather conditions in a specific month? Select the month below.
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