Playa Flamingo (Guanacaste) in september: average Weather, Temperature and Climate
Weather in Playa Flamingo (Guanacaste) in september 2025
The weather in Playa Flamingo (Guanacaste) in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
77°F
Partly Cloudy
35% of time
29%
23%
9%
Weather at 12pm
86°F
Partly Cloudy
42% of time
35%
14%
6%
Weather at 6pm
81°F
Partly Cloudy
38% of time
20%
18%
13%
Weather at 3am
77°F
40%
27%
22%
10%
Evolution of daily average temperature and precipitation in Playa Flamingo (Guanacaste) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Playa Flamingo (Guanacaste) in september.
The climate of Playa Flamingo (Guanacaste) in september is tolerable
the weather in Playa Flamingo (Guanacaste) in september is wet (with 10.7in of precipitation over 18 days). The weather's not getting better compared to the previous month since in august there is an average of 8.5in of rainfall over 13 days.
The climate pleasant there this month. Temperatures are up to 86°F. In the morning the temperature drops to 77°F. Thus, the mean temperature average in september in Playa Flamingo (Guanacaste) is 81°F. Note that seasonal normals in contrast with those observed in Playa Flamingo (Guanacaste) in the month of september with a maximum record of 92°F in 2015 and a minimum record of 74°F in 2009. You can plan to have about 16 days with temperatures above 86°F, or 53 of time.
On average, in Playa Flamingo (Guanacaste), the days of september last 12:11. The sun rises at 05:33 and sunset is at 17:44.
With a correct climate, september is okay (but not the best) to go in Playa Flamingo (Guanacaste).
September: another location in Costa Rica?
If you want to go to Costa Rica in september, there are destinations with better weather than Playa Flamingo (Guanacaste):
In september, Puerto Limón, Tortuguero, Manzanillo, Bananito Sur, Parc international La Amistad and Parismina have good weather.
Seasonal average climate and temperature of Playa Flamingo (Guanacaste) in september
Check below seasonal norms These datas are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 92°F (2015) | ||||
| Lowest record temperature | 74°F (2009) | ||||
| Number of days at +86°F | 16 day(s) (53%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 10.7in | ||||
| Number of days with rainfall | 18 day(s) (59%) | ||||
| Record daily rainfall | 5.3in (2021) | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 9.21km | ||||
| Cloud cover | 41% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:33 | ||||
| Time of sunset | 17:44 | ||||
| Length of day | 12:11 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Playa Flamingo (Guanacaste) in september 2024:
76°F to 85°F
74°F to 83°F
74°F to 85°F
76°F to 83°F
76°F to 86°F
76°F to 83°F
76°F to 83°F
74°F to 77°F
76°F to 81°F
76°F to 86°F
76°F to 85°F
76°F to 86°F
76°F to 86°F
76°F to 86°F
76°F to 86°F
77°F to 86°F
77°F to 86°F
76°F to 85°F
76°F to 85°F
74°F to 81°F
74°F to 81°F
74°F to 77°F
74°F to 83°F
74°F to 79°F
74°F to 74°F
74°F to 83°F
72°F to 77°F
76°F to 83°F
76°F to 83°F
74°F to 81°F
Map: other cities in Costa Rica in september
Cities near Playa Flamingo (Guanacaste):
| Tamarindo in september | tolerable weather |
| Playa Hermosa in september | tolerable weather |
| Belen in september | tolerable weather |
| Playa Arenillas in september | tolerable weather |
| Santa Cruz in september | very bad weather |
| Liberia (Guanacaste) in september | bad weather |
| Parque Nacional Santa Rosa in september | bad weather |
| Nicoya in september | very bad weather |
| Parque Nacional Palo Verde in september | very bad weather |
| Parque Nacional Barra Honda in september | very bad weather |
| Hojancha in september | very bad weather |
| Parque Nacional Guanacaste in september | bad weather |
Click over cities on the map for information about the weather in september.
Playa Flamingo (Guanacaste)
perfect weather
good
tolerable
bad
very bad
Weather data for Playa Flamingo (Guanacaste) in september:
Weather data for Playa Flamingo (Guanacaste) for september are derived from an average of the weather forecast since 2009 in Playa Flamingo (Guanacaste). There is a margin of error and these forecasts are to be considered as general information only. The weather in Playa Flamingo (Guanacaste) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Playa Flamingo (Guanacaste).