September Weather in Njombe, Tanzania

Last updated: August 28, 2025

In September, the average temperature in Njombe, Tanzania is a pleasant 17°C (63°F). Expect a minimum of 10°C (50°F) and a maximum of 28°C (82°F). With only 5 mm (0.2 in) of precipitation over 0 days, the weather remains dry, complemented by an average humidity of 53%. Enjoy the comfortable climate!

September Temperature in Njombe

In September in Njombe, the average temperature is 17°C (63°F). Maximum temperatures can reach 28°C (82°F), while minimums can dip to as low as 10°C (50°F). This makes it an ideal time to visit for those who enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Njombe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Njombe, September typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (82°F) and lows dropping to around 10°C (50°F).

Data source: Temperature data for Njombe generated using information from the Copernicus Climate Change Service.

September Precipitation in Njombe

In Njombe in September, the precipitation amount is 5 mm (0.2 in) during a span of 0 days.

September Precipitation Trends in Njombe

The chart displays monthly precipitation patterns in Njombe, 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 Njombe, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Njombe

In Njombe in September humidity is 53%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing embrace, making it comfortable for sightseeing and outdoor adventures, yet a light jacket may be a welcome companion as you explore.

September Average Humidity in Njombe

This chart illustrates the average monthly humidity levels in Njombe, 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 Njombe is approximately 53%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Njombe

In Njombe in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Njombe, you can check here.

Maximum UV Index Levels in Njombe for September

The chart shows the monthly maximum UV Index (UVI) for Njombe 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 Njombe typically reaches 14, which falls under the extreme exposure category.

Data source: Njombe 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 Njombe Compares to Other Months

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

This table compares monthly weather conditions in Njombe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	273 mm (10.8 inches)	89%	extreme
February Weather	18°C (65°F)	237 mm (9.3 inches)	88%	extreme
March Weather	18°C (65°F)	289 mm (11.4 inches)	87%	extreme
April Weather	18°C (64°F)	98 mm (3.9 inches)	89%	extreme
May Weather	17°C (62°F)	29 mm (1.1 inches)	84%	extreme
June Weather	15°C (59°F)	4 mm (0.2 inches)	78%	extreme
July Weather	14°C (58°F)	5 mm (0.2 inches)	71%	extreme
August Weather	16°C (60°F)	6 mm (0.2 inches)	62%	extreme
September Weather	17°C (63°F)	5 mm (0.2 inches)	53%	extreme
October Weather	18°C (66°F)	24 mm (0.9 inches)	49%	extreme
November Weather	19°C (67°F)	69 mm (2.7 inches)	66%	extreme
December Weather	19°C (66°F)	203 mm (8.0 inches)	91%	extreme