Rio San Juan Region Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Rio San Juan Region, Nicaragua in September.

Considering a trip to Rio San Juan Region, Nicaragua this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Rio San Juan Region in September

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

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 23°C (73°F) 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.

To explore the conditions in Rio San Juan Region, Nicaragua in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in San Carlos with an average of 278 mm (11 in) to heavy rainfall in El Castillo de La Concepción with 310 mm (12 in).

Explore Rio San Juan Region by month

Pick a month to see the average temperature, rainfall and sunshine in Rio San Juan Region — and find the best time to visit. (based on El Castillo de La Concepción)

Best Places to Visit in Rio San Juan Region in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio San Juan Region.

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).

Popular Destinations in Rio San Juan Region

What is the weather like in September for some of the most popular destinations in Rio San Juan Region, Nicaragua?

Temperature range in Rio San Juan Region (September)

Precipitation variation in Rio San Juan Region (September)

El Castillo de La Concepción

In September El Castillo de La Concepción generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly rainfall
286 mm (11 in)
310 mm (12 in)
314 mm (12 in)
Monthly rainy days
22 days
23 days
22 days
Weather conditions

San Carlos

In September San Carlos generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
31°C (88°F)
30°C (86°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
249 mm (9.8 in)
278 mm (11 in)
279 mm (11 in)
Monthly rainy days
22 days
23 days
22 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Rio San Juan Region in September.

City Weather Day temp Night temp Rainfall
El Castillo de La Concepción 31°C (88°F) 23°C (73°F) 310 mm (12 in)
San Carlos 31°C (88°F) 24°C (75°F) 278 mm (11 in)

Rio San Juan Region weather in September: frequently asked questions

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

September in Rio San Juan Region, Nicaragua brings poor weather. In El Castillo de La Concepción, daytime temperatures are typically around 31°C (88°F) and nighttime lows hover near 23°C (73°F).

What is the average temperature in Rio San Juan Region, Nicaragua in September?

El Castillo de La Concepción averages a daytime maximum of 31°C (88°F) in September, with overnight lows close to 23°C (73°F).

Does Rio San Juan Region, Nicaragua get a lot of rain in September?

Yes. September brings heavy rainfall to Rio San Juan Region, Nicaragua, with El Castillo de La Concepción averaging around 310 mm (12 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Rio San Juan Region, Nicaragua?

In our view, September might not be the best time to travel to Rio San Juan Region, Nicaragua 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?

We have much more information about the climate in Rio San Juan Region.

Weather and climate has detailed information for every country in the world. Are you going to Nicaragua? Get detailed historical weather averages for many cities in Nicaragua.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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