Tamarindo in september: average Weather, Temperature and Climate
Weather in Tamarindo in september 2025
The weather in Tamarindo in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through 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 Tamarindo in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Tamarindo in september.
The climate of Tamarindo in september is tolerable
The weather in september in Tamarindo is wet (with 10.7in of rainfall over 18 days). The situation is deteriorating compared to the previous month since in august there is an average of 8.5in of precipitation over 13 days.
The climate is very warm there this month. Temperatures are up to 86°F. The minimum is 77°F. Thus, the mean temperature average on this month of september in Tamarindo is 81°F. These temperatures are far removed from those records observed in Tamarindo in 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 over 86°F, or 53 of the month.
Day length in Tamarindo in september is 12:11. Sunrise is at 05:33 and sunset is at 17:44.
September: another location in Costa Rica?
If you want to go to Costa Rica in september, there are destinations with better weather than Tamarindo:
In september, Puerto Limón, Tortuguero, Manzanillo, Bananito Sur, Parc international La Amistad and Parismina have good weather.
Seasonal average climate and temperature of Tamarindo in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month 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 | 87°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 Tamarindo in september 2024:
76°F to 83°F
76°F to 83°F
76°F to 83°F
77°F to 83°F
77°F to 83°F
77°F to 83°F
77°F to 81°F
76°F to 79°F
77°F to 81°F
77°F to 85°F
77°F to 83°F
77°F to 85°F
77°F to 85°F
77°F to 85°F
77°F to 85°F
77°F to 85°F
77°F to 85°F
77°F to 83°F
77°F to 83°F
76°F to 79°F
76°F to 81°F
74°F to 79°F
76°F to 83°F
76°F to 79°F
74°F to 76°F
76°F to 81°F
74°F to 77°F
77°F to 81°F
77°F to 83°F
76°F to 81°F
Map: other cities in Costa Rica in september
Cities near Tamarindo:
| Playa Flamingo (Guanacaste) in september | tolerable weather |
| Santa Cruz in september | very bad weather |
| Belen in september | tolerable weather |
| Playa Hermosa in september | tolerable weather |
| Playa Arenillas in september | tolerable weather |
| Nicoya in september | very bad weather |
| Parque Nacional Barra Honda in september | very bad weather |
| Hojancha in september | very bad weather |
| Parque Nacional Palo Verde in september | very bad weather |
| Liberia (Guanacaste) in september | bad weather |
| Sámara in september | bad weather |
| Parque Nacional Santa Rosa in september | bad weather |
Click over cities on the map for information about the weather in september.
Tamarindo
perfect weather
good
tolerable
bad
very bad
Weather data for Tamarindo in september:
Weather data for Tamarindo for september are derived from an average of the weather forecast since 2009 in Tamarindo. There is a margin of error and these forecasts are to be considered as general information only. The weather in Tamarindo 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 Tamarindo.