September Weather in Mtwara, Tanzania

Last updated: August 28, 2025

In Mtwara, Tanzania, the average temperature in September is a pleasant 25°C (77°F), with a minimum of 22°C (73°F) and a maximum reaching 29°C (84°F). During this time, expect 14 mm (0.5 in) of precipitation spread over 4 days, coupled with an average humidity of 78%. Perfect weather to enjoy the beauty of the season!

September Temperature in Mtwara

In September in Mtwara, the average temperature is 25°C (77°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 22°C (73°F). This pleasant climate makes Mtwara a perfect destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Mtwara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mtwara, September typically has an average temperature of 25°C (77°F), with highs reaching up to 29°C (84°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181807978767677788081
Data source: Temperature data for Mtwara generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mtwara

In Mtwara in September, the precipitation amount is 14 mm (0.5 in) over a span of 4 days.

September Precipitation Trends in Mtwara

The chart displays monthly precipitation patterns in Mtwara, 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 Mtwara, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2191521441636212810143462170
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mtwara

In Mtwara in September, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

September Average Humidity in Mtwara

This chart illustrates the average monthly humidity levels in Mtwara, 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 Mtwara is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%81%77%78%79%77%77%76%78%78%80%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mtwara

In Mtwara 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 Mtwara.

Maximum UV Index Levels in Mtwara for September

The chart shows the monthly maximum UV Index (UVI) for Mtwara 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 Mtwara typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141110101213131414
Data source: Mtwara 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 Mtwara Compares to Other Months

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

This table compares monthly weather conditions in Mtwara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)219 mm (8.6 inches)82%extreme
February Weather27°C (81°F)152 mm (6.0 inches)81%extreme
March Weather27°C (81°F)144 mm (5.7 inches)77%extreme
April Weather27°C (81°F)163 mm (6.4 inches)78%extreme
May Weather26°C (79°F)62 mm (2.4 inches)79%extreme
June Weather25°C (78°F)12 mm (0.5 inches)77%very high
July Weather25°C (77°F)8 mm (0.3 inches)77%very high
August Weather25°C (76°F)10 mm (0.4 inches)76%extreme
September Weather25°C (77°F)14 mm (0.5 inches)78%extreme
October Weather26°C (78°F)34 mm (1.3 inches)78%extreme
November Weather27°C (80°F)62 mm (2.4 inches)80%extreme
December Weather27°C (81°F)170 mm (6.7 inches)81%extreme

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