Weather in Parque Nacional Guanacaste in september 2025

The weather in Parque Nacional Guanacaste in the month of september comes from statistical datas on the past 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

bad weather UV index: 7

Weather at 6am
76°F

Partly Cloudy

22%

Clear/Sunny

21%

Fog

18%

Weather at 12pm
88°F

Partly Cloudy

28%

Clear/Sunny

19%

Heavy rain

14%

Weather at 6pm
77°F

Moderate rain at times

20%

Clear/Sunny

5%

Partly Cloudy

4%

Weather at 3am
76°F

Moderate rain at times

36%

Fog

20%

Partly Cloudy

20%

Clear/Sunny

18%



Evolution of daily average temperature and precipitation in Parque Nacional Guanacaste in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Parque Nacional Guanacaste in september.


The climate of Parque Nacional Guanacaste in september is bad

The weather in september in Parque Nacional Guanacaste is wet (with 17.8in of rainfall over 24 days). The weather's not getting better compared to the previous month since in august there is an average of 14.1in of rainfall over 18 days.

The climate quite comfortable here september. Temperatures are up to 88°F. On average, the recorded minimum temperature is 76°F. Thus, the mean temperature average on this month of september in Parque Nacional Guanacaste is 81°F. Note that seasonal normals in contrast with those observed in Parque Nacional Guanacaste in september with a maximum record of 94°F in 2015 and a minimum record of 72°F in 2009. You can plan to have about 20 days with temperatures up to 86°F, or 67 of the month.

In september in Parque Nacional Guanacaste, the days on average last 12:11. The sun rises at 05:32 and sunset is at 17:43.

With a correct climate, this month is okay (but not good) to go in this city in Costa Rica.



September: another location in Costa Rica?

If you want to go to Costa Rica in september, there are destinations with better weather than Parque Nacional Guanacaste:

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 Parque Nacional Guanacaste.

more information about Costa Rica's weather in september


Seasonal average climate and temperature of Parque Nacional Guanacaste in september

Check below seasonal norms These datas are compiled from the weather statements of the last years of september.

September
Outside temperature
Average temperature 81°F
Highest temperature 88°F
Lowest temperature 76°F
Highest record temperature 94°F
(2015)
Lowest record temperature 72°F
(2009)
Number of days at +86°F 20 day(s)
(67%)
Number of days at +65°F 30 day(s)
(100%)
Wind
Wind speed 11km/h
Wind temperature 76°F
Precipitation (rainfall)
Rainfall 17.8in
Number of days with rainfall 24 day(s)
(80%)
Record daily rainfall 3.1in
(2021)
Other climate data
Humidity 93%
Visibility 8.16km
Cloud cover 43%
UV index 7
Daily sunshine hours 11
Sunrise and sunset
Time of sunrise 05:32
Time of sunset 17:43
Length of day 12:11
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 Parque Nacional Guanacaste in september 2024:

01-09-2024
Patchy light drizzle
76°F to 83°F
02-09-2024
Light rain shower
76°F to 83°F
03-09-2024
Patchy light rain
76°F to 83°F
04-09-2024
Patchy light rain
77°F to 83°F
05-09-2024
Patchy light drizzle
77°F to 83°F
06-09-2024
Patchy light rain
77°F to 83°F
07-09-2024
Light rain shower
77°F to 81°F
08-09-2024
Patchy rain nearby
76°F to 79°F
09-09-2024
Light drizzle
77°F to 81°F
10-09-2024
Patchy rain nearby
77°F to 85°F
11-09-2024
Light rain shower
77°F to 83°F
12-09-2024
Patchy light rain
77°F to 85°F
13-09-2024
Patchy rain nearby
77°F to 85°F
14-09-2024
Patchy rain nearby
77°F to 85°F
15-09-2024
Patchy rain nearby
77°F to 85°F
16-09-2024
Patchy rain nearby
77°F to 85°F
17-09-2024
Patchy rain nearby
77°F to 85°F
18-09-2024
Patchy light rain
77°F to 83°F
19-09-2024
Patchy light rain
77°F to 83°F
20-09-2024
Patchy rain nearby
76°F to 79°F
21-09-2024
Patchy light rain
76°F to 81°F
22-09-2024
Patchy rain nearby
74°F to 79°F
23-09-2024
Patchy light rain
76°F to 83°F
24-09-2024
Light rain shower
76°F to 79°F
25-09-2024
Heavy rain
74°F to 76°F
26-09-2024
Patchy rain nearby
76°F to 81°F
27-09-2024
Patchy rain nearby
74°F to 77°F
28-09-2024
Patchy light rain
77°F to 81°F
29-09-2024
Light rain shower
77°F to 83°F
30-09-2024
Patchy rain nearby
76°F to 81°F

Map: other cities in Costa Rica in september

Cities near Parque Nacional Guanacaste:

La Cruz in septembertolerable weather
Parque Nacional Rincón de la Vieja in septemberbad weather
Parque Nacional Santa Rosa in septemberbad weather
Liberia (Guanacaste) in septemberbad weather
Playa Arenillas in septembertolerable weather
Playa Hermosa in septembertolerable weather
Belen in septembertolerable weather
Parque Nacional Volcán Tenorio in septemberbad weather
Playa Flamingo (Guanacaste) in septembertolerable weather
Parque Nacional Palo Verde in septembervery bad weather
Canas in septembervery bad weather
Santa Cruz in septembervery bad weather
Costa Rica in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Parque Nacional Guanacaste perfect weather good tolerable bad very bad


Weather data for Parque Nacional Guanacaste in september:

Weather data for Parque Nacional Guanacaste for september are derived from an average of the weather forecast since 2009 in Parque Nacional Guanacaste. There is a margin of error and these forecasts are to be considered as general information only. The weather in Parque Nacional 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 Parque Nacional Guanacaste.


Weather in august in Parque Nacional Guanacaste
Weather in october in Parque Nacional Guanacaste
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