Aserrí weather in September
In September, Aserrí sees average daytime highs of 22°C and overnight lows near 15°C, with 509 mm of rain across 29.9 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels humid.
Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Aserrí's 11th-clearest and 12th-windiest month. For the whole year in context, see Aserrí's year-round climate.
- Daytime high
- 22°
- 8th warmest
- Overnight low
- 15°
- 8th coldest
- Rainfall
- 509 mm
- 29.9 wet days
- Daylight
- 12 h 06 min
- 5:29 AM – 5:32 PM
- Cloud cover
- 94%
- 11th clearest
- Wind
- 3 km/h
- 12th windiest
- Solar energy
- 4.23 kWh/m²
- Travel score
- 3.3
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 22°C through the month.
A typical September day in Aserrí reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, September runs on par with August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 15 |
| 2 | 22 | 15 |
| 3 | 22 | 15 |
| 4 | 22 | 15 |
| 5 | 22 | 15 |
| 6 | 22 | 15 |
| 7 | 22 | 15 |
| 8 | 22 | 15 |
| 9 | 22 | 15 |
| 10 | 22 | 15 |
| 11 | 22 | 15 |
| 12 | 22 | 15 |
| 13 | 22 | 15 |
| 14 | 22 | 15 |
| 15 | 22 | 15 |
| 16 | 22 | 15 |
| 17 | 22 | 15 |
| 18 | 22 | 15 |
| 19 | 22 | 15 |
| 20 | 22 | 15 |
| 21 | 22 | 15 |
| 22 | 22 | 15 |
| 23 | 22 | 15 |
| 24 | 22 | 15 |
| 25 | 22 | 15 |
| 26 | 22 | 15 |
| 27 | 22 | 15 |
| 28 | 22 | 15 |
| 29 | 22 | 15 |
| 30 | 22 | 15 |
Aserrí weather by month
How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 14° | 29 | 5.9 | 11.5 | 7.4 |
| Feb | 23° / 14° | 27 | 5.6 | 11.7 | 7.7 |
| Mar | 23° / 14° | 40 | 9.9 | 11.9 | 7.0 |
| Apr | 23° / 15° | 123 | 19.7 | 12.2 | 5.1 |
| May | 22° / 16° | 455 | 28.8 | 12.4 | 3.6 |
| Jun | 22° / 16° | 458 | 28.9 | 12.6 | 3.4 |
| Jul | 22° / 15° | 340 | 28.1 | 12.5 | 3.6 |
| Aug | 22° / 15° | 431 | 29.3 | 12.3 | 3.5 |
| Sep | 22° / 15° | 509 | 29.9 | 12.1 | 3.3 |
| Oct | 22° / 15° | 537 | 30.2 | 11.8 | 3.3 |
| Nov | 21° / 15° | 299 | 24.9 | 11.5 | 4.1 |
| Dec | 22° / 14° | 88 | 13.1 | 11.4 | 6.1 |
Cloud cover in September
The sky is clear or mostly clear about 0% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 99%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Cloudier (%) | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 2 | 98 |
| 2 | 2 | 98 |
| 3 | 2 | 98 |
| 4 | 2 | 98 |
| 5 | 2 | 98 |
| 6 | 1 | 99 |
| 7 | 1 | 99 |
| 8 | 1 | 99 |
| 9 | 1 | 99 |
| 10 | 1 | 99 |
| 11 | 1 | 99 |
| 12 | 1 | 99 |
| 13 | 1 | 99 |
| 14 | 1 | 99 |
| 15 | 1 | 99 |
| 16 | 1 | 99 |
| 17 | 1 | 99 |
| 18 | 1 | 99 |
| 19 | 1 | 99 |
| 20 | 1 | 99 |
| 21 | 1 | 99 |
| 22 | 1 | 99 |
| 23 | 1 | 99 |
| 24 | 1 | 99 |
| 25 | 1 | 99 |
| 26 | 2 | 98 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 2 | 98 |
| 30 | 2 | 98 |
Chance of precipitation in September
Aserrí gets around 509 mm of rain over 29.9 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 100% and peaks near 100% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 |
| Rain chance (%) | |
|---|---|
| 1 | 98 |
| 2 | 99 |
| 3 | 99 |
| 4 | 99 |
| 5 | 99 |
| 6 | 99 |
| 7 | 99 |
| 8 | 99 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 99 |
| 30 | 99 |
Humidity in September
Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the humid band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Humid (%) | 81 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| Comfortable (%) | Humid (%) | |
|---|---|---|
| 1 | 19 | 81 |
| 2 | 18 | 82 |
| 3 | 18 | 82 |
| 4 | 18 | 82 |
| 5 | 17 | 83 |
| 6 | 17 | 83 |
| 7 | 17 | 83 |
| 8 | 17 | 83 |
| 9 | 17 | 83 |
| 10 | 17 | 83 |
| 11 | 17 | 83 |
| 12 | 17 | 83 |
| 13 | 17 | 83 |
| 14 | 17 | 83 |
| 15 | 16 | 84 |
| 16 | 16 | 84 |
| 17 | 17 | 83 |
| 18 | 17 | 83 |
| 19 | 17 | 83 |
| 20 | 17 | 83 |
| 21 | 17 | 83 |
| 22 | 17 | 83 |
| 23 | 18 | 82 |
| 24 | 18 | 82 |
| 25 | 18 | 82 |
| 26 | 18 | 82 |
| 27 | 18 | 82 |
| 28 | 18 | 82 |
| 29 | 18 | 82 |
| 30 | 18 | 82 |
Wind in September
Winds average 3 km/h in September, the calmest month.
Across September, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 3 | calm |
| 12 | 3 | calm |
| 13 | 3 | calm |
| 14 | 3 | calm |
| 15 | 3 | calm |
| 16 | 3 | calm |
| 17 | 3 | calm |
| 18 | 3 | calm |
| 19 | 3 | calm |
| 20 | 3 | calm |
| 21 | 3 | calm |
| 22 | 3 | calm |
| 23 | 3 | calm |
| 24 | 3 | calm |
| 25 | 3 | calm |
| 26 | 3 | calm |
| 27 | 3 | calm |
| 28 | 3 | calm |
| 29 | 3 | calm |
| 30 | 3 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over September. Sunrise moves from 5:30 AM to 5:28 AM, and sunset from 5:42 PM to 5:23 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:29 | 5:28 | 5:28 | 5:28 | 5:28 | 5:28 | 5:28 | 5:28 | 5:28 |
| Sunset (PM) | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 | 5:39 | 5:38 | 5:37 | 5:37 | 5:36 | 5:36 | 5:35 | 5:34 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 | 5:30 | 5:29 | 5:28 | 5:28 | 5:27 | 5:26 | 5:26 | 5:25 | 5:25 | 5:24 | 5:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:30 | 5:42 |
| 2 | 12.2 | 5:30 | 5:41 |
| 3 | 12.2 | 5:30 | 5:41 |
| 4 | 12.2 | 5:30 | 5:40 |
| 5 | 12.2 | 5:30 | 5:39 |
| 6 | 12.1 | 5:30 | 5:39 |
| 7 | 12.1 | 5:30 | 5:38 |
| 8 | 12.1 | 5:30 | 5:37 |
| 9 | 12.1 | 5:30 | 5:37 |
| 10 | 12.1 | 5:30 | 5:36 |
| 11 | 12.1 | 5:30 | 5:36 |
| 12 | 12.1 | 5:29 | 5:35 |
| 13 | 12.1 | 5:29 | 5:34 |
| 14 | 12.1 | 5:29 | 5:34 |
| 15 | 12.1 | 5:29 | 5:33 |
| 16 | 12.1 | 5:29 | 5:32 |
| 17 | 12.0 | 5:29 | 5:32 |
| 18 | 12.0 | 5:29 | 5:31 |
| 19 | 12.0 | 5:29 | 5:30 |
| 20 | 12.0 | 5:29 | 5:30 |
| 21 | 12.0 | 5:29 | 5:29 |
| 22 | 12.0 | 5:29 | 5:28 |
| 23 | 12.0 | 5:28 | 5:28 |
| 24 | 12.0 | 5:28 | 5:27 |
| 25 | 12.0 | 5:28 | 5:26 |
| 26 | 12.0 | 5:28 | 5:26 |
| 27 | 12.0 | 5:28 | 5:25 |
| 28 | 11.9 | 5:28 | 5:25 |
| 29 | 11.9 | 5:28 | 5:24 |
| 30 | 11.9 | 5:28 | 5:23 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.23 kWh/m².
For context, solar energy here swings from a low near 3.74 kWh/m² to a high of 6.04 kWh/m² in March across the year — September's 4.23 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.2 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
Hazard calendar for Aserrí
In September, Aserrí sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Aserrí's rainy season runs May–November, when most of the year's rain falls.
Is September a good time to visit Aserrí?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Aserrí.
What to pack for Aserrí in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Aserrí sees daytime highs around 22°C and nights near 15°C. Pack rain gear. About 30 days see rain.
Sea temperature near Aserrí in September
The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 54 km away) is warmest in March at about 30°C and coldest in November near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Aserrí in September
Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Aserrí peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 10 | Extreme |
Air quality in Aserrí in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Aserrí is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 11 | 17 | 19 | 17 | 18 | 17 | 16 | 14 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Aserrí?
Aserrí sits at 9.9°N, 84.1°W, 1,338 m above sea level, in Costa Rica. The nearest listed city is San Juan de Dios, 2.0 km away.
Topography around Aserrí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aserrí.
Within 3 km, the terrain around Aserrí has large variations in elevation — a maximum elevation change of 871 m around an average of 1,428 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,984 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,764 m.
The land around Aserrí is covered by trees (67%) and artificial surfaces (22%) within 3 km, trees (63%) and artificial surfaces (22%) within 16 km, and trees (67%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Aserrí (9.8614°, -84.0927°, elevation 1,338 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).