Volcán Irazu in september: average Weather, Temperature and Climate
Weather in Volcán Irazu in september 2025
The weather in Volcán Irazu in the month of september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather
Weather at 6am
67°F
Moderate rain at times
38% of time
17%
16%
16%
Weather at 12pm
74°F
Moderate rain at times
53% of time
36%
6%
5%
Weather at 6pm
67°F
Heavy rain
84% of time
12%
3%
2%
Weather at 3am
65°F
33%
31%
15%
12%
Evolution of daily average temperature and precipitation in Volcán Irazu in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Volcán Irazu in september.
The climate of Volcán Irazu in september is very bad
the weather in Volcán Irazu in september is wet (with 31.2in of precipitation over 28 days). The weather is worst than the previous month since in august there is an average of 29.8in of precipitation over 26 days.
The climate quite good in this location september. The thermometer averaged maximum of 74°F. The seasonal minimum is 65°F. Thus, the mean temperature average in september in Volcán Irazu is 70°F. Note that these seasonal averages are in contrast with those observed in Volcán Irazu in september with a maximum record of 79°F in 2012 and a minimum record of 56°F in 2021.
On this month of september, day length in Volcán Irazu is generally 12:11. The sun rises at 05:25 and sunset is at 17:36.
September: another location in Costa Rica?
If you want to go to Costa Rica in september, there are destinations with better weather than Volcán Irazu:
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 Volcán Irazu.
Seasonal average climate and temperature of Volcán Irazu 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 | 70°F | ||||
| Highest temperature | 74°F | ||||
| Lowest temperature | 65°F | ||||
| Highest record temperature | 79°F (2012) | ||||
| Lowest record temperature | 56°F (2021) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 6km/h | ||||
| Wind temperature | 65°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 31.2in | ||||
| Number of days with rainfall | 28 day(s) (94%) | ||||
| Record daily rainfall | 6.3in (2009) | ||||
| Other climate data | |||||
| Humidity | 93% | ||||
| Visibility | 7.19km | ||||
| Cloud cover | 54% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:25 | ||||
| Time of sunset | 17:36 | ||||
| Length of day | 12:11 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Volcán Irazu in september 2024:
59°F to 72°F
58°F to 70°F
59°F to 70°F
59°F to 74°F
58°F to 74°F
61°F to 72°F
59°F to 72°F
59°F to 70°F
59°F to 72°F
59°F to 72°F
59°F to 74°F
59°F to 72°F
59°F to 74°F
59°F to 74°F
58°F to 77°F
59°F to 76°F
59°F to 74°F
59°F to 74°F
61°F to 72°F
59°F to 70°F
61°F to 68°F
63°F to 65°F
59°F to 70°F
59°F to 70°F
59°F to 65°F
58°F to 72°F
59°F to 70°F
58°F to 70°F
59°F to 72°F
59°F to 68°F
Map: other cities in Costa Rica in september
Cities near Volcán Irazu:
| Cartago in september | very bad weather |
| Paraiso in september | very bad weather |
| Parque Nacional Tapantí in september | very bad weather |
| San José in september | very bad weather |
| Guapiles in september | good weather |
| Heredia in september | very bad weather |
| Guacimo in september | good weather |
| Parque Nacional Braulio Carrillo in september | very bad weather |
| Escazu in september | very bad weather |
| Siquirres in september | good weather |
| Alajuela in september | very bad weather |
| Parque Nacional Barbilla in september | good weather |
Click over cities on the map for information about the weather in september.
Volcán Irazu
perfect weather
good
tolerable
bad
very bad
Weather data for Volcán Irazu in september:
Weather data for Volcán Irazu for september are derived from an average of the weather forecast since 2009 in Volcán Irazu. There is a margin of error and these forecasts are to be considered as general information only. The weather in Volcán Irazu 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 Volcán Irazu.