September Weather in Blantyre, Malawi

Last updated: August 23, 2025

In Blantyre, Malawi, the average temperature in September is a pleasant 23°C (73°F). Expect minimums as low as 10°C (51°F) and maximums reaching 34°C (93°F). With just 7 mm (0.3 in) of precipitation spread across 2 days, you'll enjoy mostly dry conditions. Don't forget, the average humidity hovers around 46%, adding a touch of comfort to your stay!

September Temperature in Blantyre

In September in Blantyre, the average temperature is 23°C (73°F). The maximum can reach 34°C (93°F), while the minimum can drop to as low as 10°C (51°F). This mild weather makes Blantyre a great destination for travelers looking to enjoy a comfortable climate.

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

The chart illustrates September temperature patterns in Blantyre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blantyre, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Blantyre

In Blantyre in September, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

September Precipitation Trends in Blantyre

The chart displays monthly precipitation patterns in Blantyre, 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 Blantyre, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 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 Blantyre

In Blantyre in September, humidity is 46%. With an average temperature of 23°C (73°F), this humidity feels like a warm, inviting embrace, making it pleasant for traveling as the air is comfortably moist without being too sticky or overwhelming.

September Average Humidity in Blantyre

This chart illustrates the average monthly humidity levels in Blantyre, 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 Blantyre is approximately 46%, 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 Blantyre

In Blantyre in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Blantyre.

Maximum UV Index Levels in Blantyre for September

The chart shows the monthly maximum UV Index (UVI) for Blantyre 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 Blantyre typically reaches 12, which falls under the extreme exposure category.

Data source: Blantyre 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 Blantyre Compares to Other Months

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

This table compares monthly weather conditions in Blantyre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	290 mm (11.4 inches)	88%	extreme
February Weather	24°C (76°F)	220 mm (8.7 inches)	87%	extreme
March Weather	23°C (74°F)	250 mm (9.8 inches)	84%	extreme
April Weather	22°C (72°F)	56 mm (2.2 inches)	83%	extreme
May Weather	20°C (68°F)	19 mm (0.8 inches)	74%	very high
June Weather	18°C (65°F)	18 mm (0.7 inches)	71%	very high
July Weather	17°C (64°F)	21 mm (0.8 inches)	66%	very high
August Weather	20°C (68°F)	8 mm (0.3 inches)	55%	extreme
September Weather	23°C (73°F)	7 mm (0.3 inches)	46%	extreme
October Weather	25°C (77°F)	25 mm (1.0 inches)	41%	extreme
November Weather	26°C (79°F)	105 mm (4.1 inches)	58%	extreme
December Weather	25°C (77°F)	204 mm (8.0 inches)	82%	extreme