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Rio San Juan Region weather in September

Planning a journey to Rio San Juan Region this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Rio San Juan Region in September?

Rio San Juan Region is a region in Nicaragua. September in Rio San Juan Region generally has very warm temperatures, with heavy precipitation.

You can expect very warm maximum daytime temperatures of around 31°C and nighttime temperatures around 23°C in El Castillo de La Concepción. 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 heavy rainfall in San Carlos with an average of 278 mm to heavy rainfall in El Castillo de La Concepción with 310 mm.

For specific regional insights in Rio San Juan Region for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Rio San Juan Region climate page.

Where to go in Rio San Juan Region in September

Find more information for the most popular destinations in the Rio San Juan Region on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 2 most popular destinations in Rio San Juan Region?

El Castillo de La Concepción

In September El Castillo de La Concepción generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

El Castillo de La Concepción
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
23°C 
286 mm 
22 days 
poor 
31°C 
23°C 
310 mm 
23 days 
poor 
October   >> October
>>  
31°C 
23°C 
314 mm 
22 days 
poor 
Climate in El Castillo de La Concepción

San Carlos

In September San Carlos generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.

San Carlos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
24°C 
249 mm 
22 days 
poor 
31°C 
24°C 
278 mm 
23 days 
poor 
October   >> October
>>  
30°C 
24°C 
279 mm 
22 days 
poor 
Climate in San Carlos

Is your destination not in the list? Have a look at other destinations in Rio San Juan Region, in Nicaragua.

Is September the best time to visit Rio San Juan Region?

In our view, September might not be the best time to travel to Rio San Juan Region with often poor weather in El Castillo de La Concepción.

Generally speaking, the best visiting conditions can be found in February offering mostly perfect weather in El Castillo de La Concepción. On the other hand, the months of May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

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