San_Ramon_ weather in September
In September, San_Ramon_ sees average daytime highs of 27°C and overnight lows near 20°C, with 442 mm of rain across 29.8 wet days and about 12.1 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels muggy.
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 San_Ramon_'s 10th-clearest and 9th-windiest month. For the whole year in context, see San_Ramon_'s year-round climate.
- Daytime high
- 27°
- 10th warmest
- Overnight low
- 20°
- 6th coldest
- Rainfall
- 442 mm
- 29.8 wet days
- Daylight
- 12 h 06 min
- 5:31 AM – 5:34 PM
- Cloud cover
- 91%
- 10th clearest
- Wind
- 3 km/h
- 9th windiest
- Solar energy
- 4.32 kWh/m²
- Travel score
- 3.3
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 27°C through the month.
A typical September day in San_Ramon_ reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 21 |
| 2 | 27 | 20 |
| 3 | 27 | 20 |
| 4 | 27 | 20 |
| 5 | 27 | 20 |
| 6 | 27 | 20 |
| 7 | 27 | 20 |
| 8 | 27 | 20 |
| 9 | 27 | 20 |
| 10 | 27 | 20 |
| 11 | 27 | 20 |
| 12 | 27 | 20 |
| 13 | 27 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 20 |
| 19 | 27 | 20 |
| 20 | 27 | 20 |
| 21 | 27 | 20 |
| 22 | 27 | 20 |
| 23 | 27 | 20 |
| 24 | 27 | 20 |
| 25 | 27 | 20 |
| 26 | 27 | 20 |
| 27 | 27 | 20 |
| 28 | 27 | 20 |
| 29 | 27 | 20 |
| 30 | 27 | 20 |
San_Ramon_ weather by month
How September compares with the rest of the year at a glance. September is the 10th-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 | 28° / 20° | 21 | 6.7 | 11.5 | 6.8 |
| Feb | 29° / 20° | 15 | 4.2 | 11.7 | 6.4 |
| Mar | 30° / 20° | 24 | 7.9 | 11.9 | 5.6 |
| Apr | 29° / 21° | 98 | 20.7 | 12.2 | 4.1 |
| May | 28° / 21° | 381 | 29.6 | 12.5 | 3.3 |
| Jun | 27° / 21° | 417 | 29.8 | 12.6 | 3.3 |
| Jul | 27° / 21° | 320 | 29.9 | 12.5 | 3.3 |
| Aug | 27° / 21° | 398 | 30.4 | 12.3 | 3.3 |
| Sep | 27° / 20° | 442 | 29.8 | 12.1 | 3.3 |
| Oct | 26° / 20° | 503 | 30.7 | 11.8 | 3.3 |
| Nov | 26° / 20° | 267 | 26.5 | 11.5 | 3.9 |
| Dec | 27° / 20° | 75 | 16.3 | 11.4 | 5.7 |
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 2% of September, with mostly cloudy or overcast conditions the remaining 98%.
| 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Cloudier (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 1 | 99 |
| 2 | 1 | 99 |
| 3 | 1 | 99 |
| 4 | 1 | 99 |
| 5 | 1 | 99 |
| 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 | 2 | 98 |
| 17 | 2 | 98 |
| 18 | 2 | 98 |
| 19 | 2 | 98 |
| 20 | 2 | 98 |
| 21 | 2 | 98 |
| 22 | 2 | 98 |
| 23 | 2 | 98 |
| 24 | 2 | 98 |
| 25 | 2 | 98 |
| 26 | 2 | 98 |
| 27 | 2 | 98 |
| 28 | 2 | 98 |
| 29 | 2 | 98 |
| 30 | 2 | 98 |
Chance of precipitation in September
San_Ramon_ gets around 442 mm of rain over 29.8 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 99% 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 (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 |
| Rain chance (%) | |
|---|---|
| 1 | 99 |
| 2 | 99 |
| 3 | 99 |
| 4 | 99 |
| 5 | 99 |
| 6 | 99 |
| 7 | 99 |
| 8 | 99 |
| 9 | 99 |
| 10 | 99 |
| 11 | 99 |
| 12 | 99 |
| 13 | 99 |
| 14 | 99 |
| 15 | 99 |
| 16 | 99 |
| 17 | 99 |
| 18 | 99 |
| 19 | 99 |
| 20 | 99 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 99 |
| 26 | 99 |
| 27 | 99 |
| 28 | 99 |
| 29 | 99 |
| 30 | 99 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 71 | 71 | 72 | 72 | 73 | 74 | 75 | 75 | 76 | 77 | 77 | 78 |
| Oppressive (%) | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 23 | 23 | 22 |
| Muggy (%) | Oppressive (%) | |
|---|---|---|
| 1 | 76 | 24 |
| 2 | 76 | 24 |
| 3 | 76 | 24 |
| 4 | 76 | 24 |
| 5 | 75 | 25 |
| 6 | 75 | 25 |
| 7 | 75 | 25 |
| 8 | 75 | 25 |
| 9 | 74 | 26 |
| 10 | 74 | 26 |
| 11 | 73 | 27 |
| 12 | 72 | 28 |
| 13 | 72 | 28 |
| 14 | 71 | 29 |
| 15 | 71 | 29 |
| 16 | 71 | 29 |
| 17 | 70 | 30 |
| 18 | 70 | 30 |
| 19 | 71 | 29 |
| 20 | 71 | 29 |
| 21 | 72 | 28 |
| 22 | 72 | 28 |
| 23 | 73 | 27 |
| 24 | 74 | 26 |
| 25 | 75 | 25 |
| 26 | 75 | 25 |
| 27 | 76 | 24 |
| 28 | 77 | 23 |
| 29 | 77 | 23 |
| 30 | 78 | 22 |
Wind in September
Winds average 3 km/h in September.
Across September, daily wind ranges from about 3 km/h on the calmest days to 3 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) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 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 | 3 | calm |
| 2 | 3 | calm |
| 3 | 3 | calm |
| 4 | 3 | calm |
| 5 | 3 | calm |
| 6 | 3 | calm |
| 7 | 3 | calm |
| 8 | 3 | calm |
| 9 | 3 | calm |
| 10 | 3 | 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 5:32 AM to 5:30 AM, and sunset from 5:43 PM to 5:25 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 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 5:32 | 5:32 | 5:32 | 5:32 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 | 5:30 |
| Sunset (PM) | 5:43 | 5:43 | 5:42 | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:36 | 5:36 | 5:35 | 5:35 | 5:34 | 5:33 | 5:33 | 5:32 | 5:31 | 5:31 | 5:30 | 5:29 | 5:29 | 5:28 | 5:27 | 5:27 | 5:26 | 5:25 | 5:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 5:32 | 5:43 |
| 2 | 12.2 | 5:32 | 5:43 |
| 3 | 12.2 | 5:32 | 5:42 |
| 4 | 12.2 | 5:32 | 5:42 |
| 5 | 12.2 | 5:31 | 5:41 |
| 6 | 12.1 | 5:31 | 5:40 |
| 7 | 12.1 | 5:31 | 5:40 |
| 8 | 12.1 | 5:31 | 5:39 |
| 9 | 12.1 | 5:31 | 5:38 |
| 10 | 12.1 | 5:31 | 5:38 |
| 11 | 12.1 | 5:31 | 5:37 |
| 12 | 12.1 | 5:31 | 5:36 |
| 13 | 12.1 | 5:31 | 5:36 |
| 14 | 12.1 | 5:31 | 5:35 |
| 15 | 12.1 | 5:31 | 5:35 |
| 16 | 12.1 | 5:31 | 5:34 |
| 17 | 12.0 | 5:30 | 5:33 |
| 18 | 12.0 | 5:30 | 5:33 |
| 19 | 12.0 | 5:30 | 5:32 |
| 20 | 12.0 | 5:30 | 5:31 |
| 21 | 12.0 | 5:30 | 5:31 |
| 22 | 12.0 | 5:30 | 5:30 |
| 23 | 12.0 | 5:30 | 5:29 |
| 24 | 12.0 | 5:30 | 5:29 |
| 25 | 12.0 | 5:30 | 5:28 |
| 26 | 12.0 | 5:30 | 5:27 |
| 27 | 11.9 | 5:30 | 5:27 |
| 28 | 11.9 | 5:30 | 5:26 |
| 29 | 11.9 | 5:30 | 5:25 |
| 30 | 11.9 | 5:30 | 5:25 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.32 kWh/m².
For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 6.19 kWh/m² in March across the year — September's 4.32 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) | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 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 | 4.1 |
| 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 | 4.5 | Bright |
| 2 | 4.5 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.3 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.2 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.1 | Bright |
Hazard calendar for San_Ramon_
In September, San_Ramon_ sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
San_Ramon_'s rainy season runs May–November, when most of the year's rain falls.
Is September a good time to visit San_Ramon_?
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 San_Ramon_.
What to pack for San_Ramon_ in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, San_Ramon_ sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.
Sea temperature near San_Ramon_ 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 29 km away) is warmest in April at about 29°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 | 29 | 29 | 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 | 29 | Tropical |
| Apr | 29 | 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 San_Ramon_ in September
Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San_Ramon_ peaks around February 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (very high).
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) | 11 | 14 | 14 | 14 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in San_Ramon_ 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 San_Ramon_ is worst in May — around 18 µg/m³ PM2.5 (moderate), about 2.0× 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 | 16 | 18 | 16 | 17 | 15 | 14 | 12 | 11 | 9 |
| 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 | 16 | Moderate |
| May | 18 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 12 | Moderate |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is San_Ramon_?
San_Ramon_ sits at 10.1°N, 84.5°W, 0 m above sea level, in Costa Rica. The nearest listed city is Esparza, 24 km away.
Topography around San_Ramon_
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San_Ramon_.
Within 3 km, the terrain around San_Ramon_ has significant variations in elevation — a maximum elevation change of 294 m around an average of 1,066 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,914 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,414 m.
The land around San_Ramon_ is covered by trees (53%), artificial surfaces (25%) and grassland (21%) within 3 km, trees (68%) and grassland (27%) within 16 km, and trees (61%) 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 San_Ramon_ (10.088°, -84.4702°, elevation 0 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).