September Weather in Cairo, United States

Last updated: June 24, 2025

In Cairo, United States, the average temperature in September reaches a warm 26°C (80°F). Temperatures can vary significantly, with a minimum dropping to 13°C (56°F) and peaks soaring to 38°C (102°F). Expect 119 mm (4.7 in) of precipitation spread over 12 days, contributing to a notably high average humidity of 83%. Enjoy the warmth, but be prepared for some wet days!

September Temperature in Cairo

In September in Cairo, the average temperature is 26°C (80°F). Maximums can reach 38°C (102°F), and minimums can be as low as 13°C (56°F). It's a great time to visit Cairo if you enjoy warm weather with some cooler evenings.

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

The chart illustrates September temperature patterns in Cairo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cairo, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (102°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Cairo

In Cairo in September, the total precipitation amount is 119 mm (4.7 in), falling over a span of 12 days.

September Precipitation Trends in Cairo

The chart displays monthly precipitation patterns in Cairo, 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 Cairo, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 12 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 Cairo

In Cairo in September humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

September Average Humidity in Cairo

This chart illustrates the average monthly humidity levels in Cairo, 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 Cairo is approximately 83%, 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 Cairo

In Cairo 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 Cairo.

Maximum UV Index Levels in Cairo for September

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

Data source: Cairo 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 Cairo Compares to Other Months

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

This table compares monthly weather conditions in Cairo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	81 mm (3.2 inches)	85%	moderate
February Weather	15°C (59°F)	112 mm (4.4 inches)	82%	very high
March Weather	17°C (63°F)	64 mm (2.5 inches)	80%	very high
April Weather	20°C (68°F)	93 mm (3.7 inches)	76%	extreme
May Weather	24°C (76°F)	73 mm (2.9 inches)	73%	extreme
June Weather	27°C (80°F)	148 mm (5.8 inches)	74%	extreme
July Weather	28°C (82°F)	138 mm (5.5 inches)	80%	extreme
August Weather	27°C (82°F)	123 mm (4.8 inches)	79%	extreme
September Weather	26°C (80°F)	119 mm (4.7 inches)	83%	very high
October Weather	23°C (73°F)	80 mm (3.1 inches)	77%	very high
November Weather	15°C (60°F)	54 mm (2.1 inches)	84%	high
December Weather	13°C (55°F)	116 mm (4.6 inches)	88%	moderate