September Weather in In Salah, Algeria

Last updated: August 22, 2025

In In Salah, Algeria, the average temperature in September reaches a scorching 35°C (96°F). The temperature can vary, with a minimum of 23°C (73°F) and peaking at a sweltering 46°C (114°F). You'll also notice that the month is quite dry, receiving only 1 mm (0.0 in) of precipitation over 0 days. With an average humidity of just 19%, it's the perfect time to soak up the sun while staying hydrated!

September Temperature in In Salah

In September, in In Salah, the average temperature is 35°C (96°F). Maximum can reach 46°C (114°F), and minimum can be as low as 23°C (73°F). Be prepared for the heat if you're planning to travel during this time, and ensure to stay hydrated and cool.

September Weather in In Salah: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in In Salah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In In Salah, September typically has an average temperature of 35°C (96°F), with highs reaching up to 46°C (114°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec57657180919810310095826961
Data source: Temperature data for In Salah generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in In Salah

In In Salah in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in In Salah

The chart displays monthly precipitation patterns in In Salah, 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 In Salah, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec113511011103
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in In Salah

In In Salah in September, humidity is 19%. With an average temperature of 35°C (96°F), this humidity feels like a warm, dry embrace, making it comfortable for traveling and exploring without the heavy discomfort that higher humidity can bring.

September Average Humidity in In Salah

This chart illustrates the average monthly humidity levels in In Salah, 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 In Salah is approximately 19%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%33%27%20%19%17%14%12%19%27%35%42%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in In Salah

In In Salah 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 In Salah.

Maximum UV Index Levels in In Salah for September

The chart shows the monthly maximum UV Index (UVI) for In Salah 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 In Salah typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710111112111110876
Data source: In Salah 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 In Salah Compares to Other Months

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

This table compares monthly weather conditions in In Salah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)1 mm (0.0 inches)40%high
February Weather18°C (65°F)1 mm (0.0 inches)33%high
March Weather22°C (72°F)3 mm (0.1 inches)27%very high
April Weather27°C (81°F)5 mm (0.2 inches)20%extreme
May Weather33°C (91°F)1 mm (0.1 inches)18%extreme
June Weather37°C (99°F)1 mm (0.0 inches)17%extreme
July Weather39°C (103°F)0 mm (0.0 inches)14%extreme
August Weather38°C (101°F)0 mm (0.0 inches)12%extreme
September Weather35°C (96°F)1 mm (0.0 inches)19%very high
October Weather28°C (82°F)1 mm (0.0 inches)27%very high
November Weather20°C (69°F)0 mm (0.0 inches)34%high
December Weather16°C (61°F)3 mm (0.1 inches)42%high

Compare In Salah's Climate with Cities Worldwide