Playa Santa Teresa in september: average Weather, Temperature and Climate
Weather in Playa Santa Teresa in september 2025
The weather in Playa Santa Teresa in 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
bad weather UV index: 7
Weather at 6am
76°F
Moderate rain at times
40% of time
21%
21%
12%
Weather at 12pm
86°F
Partly Cloudy
29% of time
25%
20%
19%
Weather at 6pm
79°F
Partly Cloudy
46% of time
17%
15%
12%
Weather at 3am
76°F
50%
21%
17%
8%
Evolution of daily average temperature and precipitation in Playa Santa Teresa in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Playa Santa Teresa in september.
The climate of Playa Santa Teresa in september is bad
The weather in september in Playa Santa Teresa is wet (with 16.9in of rainfall over 23 days). The weather's not getting better compared to the previous month since in august there is an average of 16.6in of precipitation over 23 days.
The climate pleasant there september. The thermometer averaged maximum of 86°F. In the morning the temperature drops to 76°F. Thus, the mean temperature average on this month of september in Playa Santa Teresa is 81°F. Note that seasonal normals in contrast with those observed in Playa Santa Teresa in september with a maximum record of 92°F in 2011 and a minimum record of 70°F in 2021. You can expect to have about 15 days with temperatures up to 86°F, or 50 of the month.
On this month of september, day length in Playa Santa Teresa is generally 12:10. The sun rises at 05:31 and sunset is at 17:41.
With a correct weather, this month is okay (but not good) to go in that area.
September: another location in Costa Rica?
If you want to go to Costa Rica in september, there are destinations with better weather than Playa Santa Teresa:
In september, Puerto Limón, Tortuguero, Manzanillo, Bananito Sur, Parc international La Amistad and Parismina have good weather.
Finally, La Cruz, Tamarindo, Esterillos, Parque Nacional Carara, Playa Arenillas and Playa Flamingo (Guanacaste) have a tolerable climate, but better than Playa Santa Teresa.
Seasonal average climate and temperature of Playa Santa Teresa in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 76°F | ||||
| Highest record temperature | 92°F (2011) | ||||
| Lowest record temperature | 70°F (2021) | ||||
| Number of days at +86°F | 15 day(s) (50%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 82°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 76°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 16.9in | ||||
| Number of days with rainfall | 23 day(s) (78%) | ||||
| Record daily rainfall | 3.5in (2017) | ||||
| Other climate data | |||||
| Humidity | 90% | ||||
| Visibility | 8.79km | ||||
| Cloud cover | 50% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:31 | ||||
| Time of sunset | 17:41 | ||||
| Length of day | 12:10 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Playa Santa Teresa in september 2024:
77°F to 81°F
76°F to 81°F
76°F to 81°F
76°F to 83°F
76°F to 83°F
77°F to 83°F
79°F to 83°F
77°F to 81°F
77°F to 85°F
77°F to 85°F
79°F to 83°F
77°F to 83°F
77°F to 83°F
77°F to 83°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 81°F
76°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 79°F
76°F to 77°F
74°F to 83°F
74°F to 83°F
76°F to 83°F
76°F to 81°F
76°F to 81°F
Map: other cities in Costa Rica in september
Cities near Playa Santa Teresa:
| Montezuma in september | bad weather |
| Playa Caletas in september | bad weather |
| Paquera in september | bad weather |
| Jicaral in september | bad weather |
| Sámara in september | bad weather |
| Isla de Chira in september | very bad weather |
| Puntarenas in september | very bad weather |
| Punta Morales in september | bad weather |
| Hojancha in september | very bad weather |
| Jaco in september | tolerable weather |
| Parque Nacional Barra Honda in september | very bad weather |
| Parque Nacional Carara in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Playa Santa Teresa
perfect weather
good
tolerable
bad
very bad
Weather data for Playa Santa Teresa in september:
Weather data for Playa Santa Teresa for september are derived from an average of the weather forecast since 2009 in Playa Santa Teresa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Playa Santa Teresa 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 Santa Teresa.