September Weather in Ntossoni, Mali

Last updated: August 23, 2025

In September, the average temperature in Ntossoni, Mali hovers around 27°C (81°F), making it a warm destination. You can expect a minimum of 21°C (71°F) and maximum highs reaching 35°C (95°F). With an average precipitation of 149 mm (5.9 in) spread over 17 days, it's wise to pack an umbrella. The average humidity levels are high at 86%, contributing to that tropical feel.

September Temperature in Ntossoni

In September in Ntossoni, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F), and minimums can be as low as 21°C (71°F). Overall, it's a great time for travelers to enjoy warm weather and explore outdoor activities.

September Weather in Ntossoni: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ntossoni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ntossoni, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec788389929086817980838379
Data source: Temperature data for Ntossoni generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ntossoni

In Ntossoni in September, the precipitation amount is 149 mm (5.9 in) spread over 17 days.

September Precipitation Trends in Ntossoni

The chart displays monthly precipitation patterns in Ntossoni, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Ntossoni, September typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec0121036572022491495520
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ntossoni

In Ntossoni in September, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

September Average Humidity in Ntossoni

This chart illustrates the average monthly humidity levels in Ntossoni, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Ntossoni is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec12%11%13%25%47%78%80%86%86%80%47%15%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ntossoni

In Ntossoni in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Ntossoni.

Maximum UV Index Levels in Ntossoni for September

The chart shows the monthly maximum UV Index (UVI) for Ntossoni in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Ntossoni typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec101112131313131413121010
Data source: Ntossoni September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Ntossoni Compares to Other Months

Weather in Ntossoni varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ntossoni, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ntossoni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)0 mm (0.0 inches)12%very high
February Weather28°C (83°F)1 mm (0.0 inches)11%extreme
March Weather32°C (89°F)1 mm (0.1 inches)13%extreme
April Weather33°C (92°F)10 mm (0.4 inches)25%extreme
May Weather32°C (90°F)36 mm (1.4 inches)47%extreme
June Weather30°C (86°F)57 mm (2.2 inches)77%extreme
July Weather27°C (82°F)202 mm (8.0 inches)80%extreme
August Weather26°C (79°F)249 mm (9.8 inches)86%extreme
September Weather27°C (81°F)149 mm (5.9 inches)86%extreme
October Weather28°C (83°F)55 mm (2.2 inches)80%extreme
November Weather28°C (83°F)2 mm (0.1 inches)47%very high
December Weather26°C (79°F)0 mm (0.0 inches)15%very high

Compare Ntossoni's Climate with Cities Worldwide