Tumbes Weather in September
September in Tumbes averages 29°C (84°F) during the day and 21°C (70°F) at night. With only 8.4 mm (0.3 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Tumbes in September
Rain is expected on roughly 5 days, totalling around 8.4 mm (0.3 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Tumbes in September
The temperature in Tumbes in September is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 21°C (70°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.If your ideal day consists of dry skies and pleasant temperatures, July, August, September, October and November typically offer the best circumstances for Tumbes.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Peru, check out our Tumbes's climate page.
Tumbes Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
16%
Precipitation
8.4 mm (0.3 in)
Rainy days
5 days
Humidity
79%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tumbes typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in September
Historical weather for Tumbes in September
Browse day-by-day weather records for Tumbes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tumbes historical weather extremes in September
The extremes listed below come from historical weather data collected in Tumbes from 1999 through 2025.
- The hottest September day on record in Tumbes reached 31°C (88°F) (September 1, 2023).
- Tumbes experienced its chilliest September day on September 7, 1999, reaching only 21°C (70°F).
- Nighttime temperatures dropped to 14°C (57°F) on September 28, 2019, marking the coldest September night on record.
Best Places in Peru in September
Find out more about the weather in Peru and which places have the best travel conditions in this month. See all of Peru in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Tumbes in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home.What To Do in Tumbes in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Peru, check out our Tumbes's climate page.
See the full Tumbes climate overview or explore weather in Peru.
