Temperatures in September
It's hot in September in Nicoya with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 23°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Nicoya in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Nicoya with hot temperatures, averaging around 30°C during the day and nights close to 23°C. Plenty of days with a chance of precipitation.
Mid-September
By mid-September, the average daytime temperature stays the same at 30°C, with nights close to 23°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in Nicoya will be around 30°C, with nights close to 23°C. There’s a significant chance of many days with precipitation.
Discover cheap trips to Nicoya 
Precipitation in September
In September, there is an average of 363 mm of precipitation, spread over 22 days. The wind speed is around 3 Bft, mostly coming from the South.
There’s an average 73% chance of precipitation per day this month. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Nicoya. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Nicoya in September |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 20°C | |
 High Temp |
30°C | 22°C | |
| Low Temp |
29°C | 17°C | |
 Total Precipitation |
363 mm | 44 mm | |
| Rainy Days |
22 days | 8 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Nicoya?
After some sun? Then September isn’t the best time to be in Nicoya. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Nicoya runs from June to November.
Temperature records for Nicoya in September
With 36°C, Nicoya hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 22°C in 2022. The extreme night temperatures ranged from a low of 19°C to a high of 26°C.
Check out the climate of Nicoya for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Nicoya and see what our partners have for you.
Daily Temperature in September in Nicoya
This chart shows the average daily temperatures, both day and night, for each day in September in Nicoya, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Nicoya
The chart below shows the average daily precipitation in September for Nicoya, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 22 days of rain in Nicoya.
Daily UV Index in September in Nicoya
This chart shows the average daily UV index in September in Nicoya, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Nicoya Over the Years
This chart shows the average temperature in September in Nicoya, measured in degrees Celsius, over the past years.
Total Precipitation in September in Nicoya Over the Years
This chart shows the average precipitation in September in Nicoya, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Nicoya
Click on a specific day in September for detailed info on the typical weather on that day in Nicoya. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Nicoya
Have you been to Nicoya in September?
Share your weather experience in September in Nicoya.
Average Weather in Nicoya by Month
Click on a month below to see detailed weather info for Nicoya. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
