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Mongo Weather in September

September in Mongo brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 147 mm (5.8 in), so keep a rain jacket handy.

Rainfall in Mongo in September

Climate statistics over the past 30 years suggest around 9 days of rain, with 147 mm (5.8 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Mongo in September

If you're visiting Mongo in September, expect highs of 33°C (91°F) and overnight lows around 23°C (73°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are mild at around 23°C (73°F), which is comfortable for most people.

If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.

Mongo Temperature in September

Min Temperature
23°C (73°F)
Max Temperature
33°C (91°F)
Chance of Rain
28%
Precipitation
147 mm (5.8 in)
Rainy days
9 days
Humidity
71%

Mongo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Mongo - and find the best time to visit.

Historical weather records for Mongo in September

Browse day-by-day weather records for Mongo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Mongo historical weather extremes in September

The extremes listed below come from historical weather data collected in Mongo from 2005 through 2025.

  • The warmest day in September was on September 26, 2023, with a maximum of 38°C (100°F).
  • Mongo experienced its chilliest September day on September 22, 2005, reaching only 22°C (72°F).
  • Nighttime temperatures dropped to 21°C (70°F) on September 13, 2018, marking the coldest September night on record.

Best Places in Chad in September

Find out more about the weather in Chad and which places have the best travel conditions in this month. See all of Chad in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Mongo 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. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Mongo in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Mongo 3-Day Forecast

More climate data for Mongo

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.