September Weather in Arlit, Niger

Last updated: August 31, 2025

In Arlit, Niger, the average temperature in September soars to a sizzling 34°C (94°F), with minimums dipping to 23°C (74°F) and maximums peaking at a blistering 44°C (111°F). Expect only a slight chance of rain, with a total precipitation of just 5 mm (0.2 in) spread over 2 days. The average humidity remains low at 30%, making for a hot and dry climate.

September Temperature in Arlit

In September in Arlit, the average temperature is 34°C (94°F), with a maximum that can reach 44°C (111°F) and a minimum that can drop to as low as 23°C (74°F). Travelers should be prepared for hot weather and stay hydrated while exploring.

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

The chart illustrates September temperature patterns in Arlit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlit, September typically has an average temperature of 34°C (94°F), with highs reaching up to 44°C (111°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Arlit

In Arlit in September, the precipitation amount is 5 mm (0.2 in) over a period of 2 days.

September Precipitation Trends in Arlit

The chart displays monthly precipitation patterns in Arlit, 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 Arlit, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 2 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 Arlit

In Arlit in September, humidity is 30%. With an average temperature of 34°C (94°F), this humidity feels like a warm embrace, making travel both enjoyable and exhausting as you navigate the heat, requiring plenty of hydration and frequent breaks in the shade.

September Average Humidity in Arlit

This chart illustrates the average monthly humidity levels in Arlit, 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 Arlit is approximately 30%, 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 Arlit

In Arlit in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Arlit.

Maximum UV Index Levels in Arlit for September

The chart shows the monthly maximum UV Index (UVI) for Arlit 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 Arlit typically reaches 11, which falls under the extreme exposure category.

Data source: Arlit 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 Arlit Compares to Other Months

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

This table compares monthly weather conditions in Arlit, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	0 mm (0.0 inches)	21%	very high
February Weather	23°C (74°F)	0 mm (0.0 inches)	17%	very high
March Weather	29°C (84°F)	0 mm (0.0 inches)	13%	extreme
April Weather	33°C (91°F)	0 mm (0.0 inches)	11%	extreme
May Weather	36°C (98°F)	1 mm (0.0 inches)	16%	extreme
June Weather	37°C (98°F)	4 mm (0.1 inches)	31%	extreme
July Weather	35°C (96°F)	4 mm (0.2 inches)	28%	extreme
August Weather	33°C (92°F)	28 mm (1.1 inches)	33%	extreme
September Weather	34°C (94°F)	5 mm (0.2 inches)	30%	extreme
October Weather	32°C (91°F)	1 mm (0.0 inches)	22%	very high
November Weather	27°C (81°F)	0 mm (0.0 inches)	21%	very high
December Weather	22°C (72°F)	0 mm (0.0 inches)	24%	very high