September Weather in Assab, Eritrea

Last updated: August 23, 2025

In Assab, Eritrea, the average temperature in September reaches a warm 32°C (90°F). Expect a minimum of 28°C (82°F) and a maximum of 36°C (97°F), making it perfect for outdoor activities. With just 2 mm (0.1 in) of precipitation over 0 days and an average humidity of 66%, you can enjoy mostly dry and comfortable weather.

September Temperature in Assab

In September in Assab, the average temperature is a warm 32°C (90°F). Maximums can reach 36°C (97°F), while minimums can drop to a mild 28°C (82°F). It's a great time to enjoy outdoor activities and soak up the sun, so pack accordingly!

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

The chart illustrates September temperature patterns in Assab, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Assab, September typically has an average temperature of 32°C (90°F), with highs reaching up to 36°C (97°F) and lows dropping to around 28°C (82°F).

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

September Precipitation in Assab

In Assab in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Assab

The chart displays monthly precipitation patterns in Assab, 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 Assab, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Assab

In Assab in September humidity is 66%. With an average temperature of 32°C (90°F), this humidity feels like a sweltering blanket wrapping around you, making outdoor activities feel more strenuous and requiring frequent breaks to cool down and hydrate.

September Average Humidity in Assab

This chart illustrates the average monthly humidity levels in Assab, 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 Assab is approximately 66%, 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 Assab

In Assab in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Assab.

Maximum UV Index Levels in Assab for September

The chart shows the monthly maximum UV Index (UVI) for Assab 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 Assab typically reaches 10, which falls under the very high exposure category.

Data source: Assab 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 Assab Compares to Other Months

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

This table compares monthly weather conditions in Assab, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	5 mm (0.2 inches)	56%	very high
February Weather	25°C (78°F)	3 mm (0.1 inches)	63%	extreme
March Weather	27°C (81°F)	2 mm (0.1 inches)	56%	extreme
April Weather	29°C (85°F)	3 mm (0.1 inches)	55%	extreme
May Weather	31°C (88°F)	3 mm (0.1 inches)	57%	extreme
June Weather	32°C (90°F)	1 mm (0.0 inches)	49%	very high
July Weather	33°C (91°F)	13 mm (0.5 inches)	50%	very high
August Weather	33°C (91°F)	8 mm (0.3 inches)	70%	very high
September Weather	32°C (90°F)	2 mm (0.1 inches)	66%	very high
October Weather	30°C (86°F)	4 mm (0.2 inches)	74%	very high
November Weather	28°C (82°F)	0 mm (0.0 inches)	71%	very high
December Weather	26°C (79°F)	0 mm (0.0 inches)	60%	very high