Tumbes weather in September
In September, Tumbes sees average daytime highs of 27°C and overnight lows near 21°C, with 6 mm of rain across 1.8 wet days and about 12 hours of daylight. It is the 11th-warmest and 10th-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 24% of the time in September, and the air most often feels muggy.
Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Tumbes's 4th-clearest and 3rd-windiest month. For the whole year in context, see Tumbes's year-round climate.
- Daytime high
- 27°
- 11th warmest
- Overnight low
- 21°
- 2nd coldest
- Rainfall
- 6 mm
- 1.8 wet days
- Daylight
- 12 hours
- 6:17 AM – 6:16 PM
- Cloud cover
- 60%
- 4th clearest
- Wind
- 9 km/h
- 3rd windiest
- Solar energy
- 5.8 kWh/m²
- Travel score
- 7.7
- out of 10
Tumbes is city of Peru, capital of Tumbes region.
- Founded
- 1532
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 27°C through the month.
A typical September day in Tumbes reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°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 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 21 |
| 2 | 27 | 21 |
| 3 | 27 | 21 |
| 4 | 27 | 21 |
| 5 | 27 | 21 |
| 6 | 27 | 21 |
| 7 | 27 | 21 |
| 8 | 27 | 21 |
| 9 | 27 | 21 |
| 10 | 27 | 21 |
| 11 | 27 | 21 |
| 12 | 27 | 21 |
| 13 | 27 | 21 |
| 14 | 27 | 21 |
| 15 | 27 | 21 |
| 16 | 27 | 21 |
| 17 | 27 | 21 |
| 18 | 27 | 21 |
| 19 | 27 | 21 |
| 20 | 27 | 21 |
| 21 | 27 | 21 |
| 22 | 27 | 21 |
| 23 | 27 | 21 |
| 24 | 27 | 21 |
| 25 | 27 | 21 |
| 26 | 27 | 21 |
| 27 | 27 | 21 |
| 28 | 27 | 21 |
| 29 | 27 | 21 |
| 30 | 27 | 21 |
How September really feels in Tumbes
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Tumbes weather by month
How September compares with the rest of the year at a glance. September is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 74 | 12.3 | 12.2 | 4.9 |
| Feb | 29° / 24° | 149 | 16.6 | 12.1 | 4.1 |
| Mar | 29° / 24° | 167 | 16.6 | 12 | 4.2 |
| Apr | 29° / 24° | 103 | 12.3 | 11.9 | 4.8 |
| May | 29° / 23° | 41 | 7.1 | 11.8 | 5.7 |
| Jun | 28° / 22° | 10 | 2.5 | 11.8 | 7.1 |
| Jul | 27° / 21° | 5 | 1.3 | 11.8 | 7.8 |
| Aug | 27° / 21° | 1 | 0.3 | 11.9 | 8.1 |
| Sep | 27° / 21° | 6 | 1.8 | 12 | 7.7 |
| Oct | 27° / 21° | 10 | 2.8 | 12.1 | 7.3 |
| Nov | 27° / 21° | 15 | 3.7 | 12.2 | 7.1 |
| Dec | 28° / 23° | 34 | 5.8 | 12.2 | 6.2 |
Cloud cover in September
The sky is clear or mostly clear about 24% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.
| 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 (%) | 58 | 57 | 57 | 56 | 56 | 55 | 55 | 54 | 53 | 52 | 51 | 51 | 50 | 48 | 48 | 47 | 47 | 46 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 |
| Cloudier (%) | 42 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 47 | 48 | 49 | 49 | 50 | 52 | 52 | 53 | 53 | 54 | 55 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 58 | 42 |
| 2 | 57 | 43 |
| 3 | 57 | 43 |
| 4 | 56 | 44 |
| 5 | 56 | 44 |
| 6 | 55 | 45 |
| 7 | 55 | 45 |
| 8 | 54 | 46 |
| 9 | 53 | 47 |
| 10 | 52 | 48 |
| 11 | 51 | 49 |
| 12 | 51 | 49 |
| 13 | 50 | 50 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 47 | 53 |
| 18 | 46 | 54 |
| 19 | 45 | 55 |
| 20 | 44 | 56 |
| 21 | 44 | 56 |
| 22 | 44 | 56 |
| 23 | 43 | 57 |
| 24 | 43 | 57 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 42 | 58 |
| 29 | 42 | 58 |
| 30 | 42 | 58 |
Chance of precipitation in September
Tumbes gets around 6 mm of rain over 1.8 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 6% and peaks near 8% 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 (%) | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
| Rain chance (%) | |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 4 |
| 5 | 5 |
| 6 | 5 |
| 7 | 5 |
| 8 | 6 |
| 9 | 6 |
| 10 | 6 |
| 11 | 6 |
| 12 | 6 |
| 13 | 6 |
| 14 | 6 |
| 15 | 6 |
| 16 | 6 |
| 17 | 6 |
| 18 | 6 |
| 19 | 6 |
| 20 | 6 |
| 21 | 6 |
| 22 | 6 |
| 23 | 7 |
| 24 | 7 |
| 25 | 7 |
| 26 | 7 |
| 27 | 7 |
| 28 | 8 |
| 29 | 8 |
| 30 | 8 |
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 62% of days. Sticky, muggy-or-worse air turns up on roughly 65% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 44 | 44 | 43 | 42 | 41 | 41 | 40 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 27 |
| Muggy (%) | 54 | 54 | 55 | 55 | 56 | 56 | 57 | 58 | 59 | 59 | 60 | 60 | 61 | 61 | 62 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 67 | 68 | 68 | 69 | 69 | 70 |
| Oppressive (%) | 2 | 2 | 2 | 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 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 44 | 54 | 2 |
| 2 | 44 | 54 | 2 |
| 3 | 43 | 55 | 2 |
| 4 | 42 | 55 | 3 |
| 5 | 41 | 56 | 3 |
| 6 | 41 | 56 | 3 |
| 7 | 40 | 57 | 3 |
| 8 | 39 | 58 | 3 |
| 9 | 38 | 59 | 3 |
| 10 | 38 | 59 | 3 |
| 11 | 37 | 60 | 3 |
| 12 | 37 | 60 | 3 |
| 13 | 36 | 61 | 3 |
| 14 | 36 | 61 | 3 |
| 15 | 35 | 62 | 3 |
| 16 | 35 | 62 | 3 |
| 17 | 35 | 62 | 3 |
| 18 | 34 | 63 | 3 |
| 19 | 33 | 64 | 3 |
| 20 | 33 | 64 | 3 |
| 21 | 32 | 65 | 3 |
| 22 | 32 | 65 | 3 |
| 23 | 31 | 66 | 3 |
| 24 | 31 | 66 | 3 |
| 25 | 30 | 67 | 3 |
| 26 | 29 | 68 | 3 |
| 27 | 29 | 68 | 3 |
| 28 | 28 | 69 | 3 |
| 29 | 28 | 69 | 3 |
| 30 | 27 | 70 | 3 |
Wind in September
Winds average 9 km/h in September.
Across September, daily wind ranges from about 9 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
Sunrise & sunset in September
Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over September. Sunrise moves from 6:24 AM to 6:10 AM, and sunset from 6:19 PM to 6:12 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:24 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 |
| Sunset (PM) | 6:19 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 | 6:13 | 6:13 | 6:12 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:24 | 6:19 |
| 2 | 11.9 | 6:23 | 6:19 |
| 3 | 11.9 | 6:23 | 6:19 |
| 4 | 11.9 | 6:22 | 6:19 |
| 5 | 11.9 | 6:22 | 6:18 |
| 6 | 11.9 | 6:21 | 6:18 |
| 7 | 12.0 | 6:21 | 6:18 |
| 8 | 12.0 | 6:20 | 6:18 |
| 9 | 12.0 | 6:20 | 6:17 |
| 10 | 12.0 | 6:19 | 6:17 |
| 11 | 12.0 | 6:19 | 6:17 |
| 12 | 12.0 | 6:19 | 6:17 |
| 13 | 12.0 | 6:18 | 6:16 |
| 14 | 12.0 | 6:18 | 6:16 |
| 15 | 12.0 | 6:17 | 6:16 |
| 16 | 12.0 | 6:17 | 6:16 |
| 17 | 12.0 | 6:16 | 6:15 |
| 18 | 12.0 | 6:16 | 6:15 |
| 19 | 12.0 | 6:15 | 6:15 |
| 20 | 12.0 | 6:15 | 6:14 |
| 21 | 12.0 | 6:14 | 6:14 |
| 22 | 12.0 | 6:14 | 6:14 |
| 23 | 12.0 | 6:13 | 6:14 |
| 24 | 12.0 | 6:13 | 6:13 |
| 25 | 12.0 | 6:12 | 6:13 |
| 26 | 12.0 | 6:12 | 6:13 |
| 27 | 12.0 | 6:12 | 6:13 |
| 28 | 12.0 | 6:11 | 6:12 |
| 29 | 12.0 | 6:11 | 6:12 |
| 30 | 12.0 | 6:10 | 6:12 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.8 kWh/m².
For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 5.9 kWh/m² in November across the year — September's 5.8 kWh/m² sits near the top of that range.
| 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) | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| 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 | 5.7 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Tumbes
None of Tumbes's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Tumbes's rainy season runs February–April, when most of the year's rain falls.
Is September a good time to visit Tumbes?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is one of the better times to visit Tumbes for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tumbes in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Tumbes sees daytime highs around 27°C and nights near 21°C. Worth packing: light clothes and sun protection.
Sea temperature near Tumbes in September
The nearest coast averages about 23°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 21 km away) is warmest in March at about 27°C and coldest in September near 23°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) | 26 | 26 | 27 | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 25 | Warm |
UV index in Tumbes 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 Tumbes peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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) | 14 | 15 | 15 | 12 | 12 | 10 | 10 | 11 | 12 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Tumbes 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 Tumbes is worst in December — around 29 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (August, 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) | 15 | 14 | 14 | 15 | 15 | 15 | 12 | 9 | 10 | 14 | 27 | 29 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 12 | Moderate |
| Aug | 9 | Good |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 27 | Moderate |
| Dec | 29 | Moderate |
Where is Tumbes?
Tumbes sits at 3.6°S, 80.4°W, 4 m above sea level, in Peru. The nearest listed city is Zarumilla, 20 km away.
Topography around Tumbes
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tumbes.
Within 3 km, the terrain around Tumbes has only modest variations in elevation — a maximum elevation change of 53 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,619 m.
The land around Tumbes is covered by cropland (30%) and artificial surfaces (27%) within 3 km, water (35%) and shrubs (25%) within 16 km, and water (41%) and trees (32%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 Tumbes (-3.5559°, -80.4426°, elevation 4 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).