September Weather in Tamanrasset, Algeria

Last updated: August 21, 2025

September in Tamanrasset, Algeria showcases a warm desert climate, with temperatures soaring to a maximum of 37°C (99°F) and an average reading of 29°C (84°F). Nighttime offers a refreshing contrast, as minimum temperatures dip to 19°C (67°F). This month witnesses negligible precipitation, with only 2 mm (0.1 in) recorded over 0 days, resulting in an impressively low humidity level of just 16%. Perfect for outdoor adventures, Tamanrasset's September weather invites exploration under the vast, sunlit skies of the Sahara.

September Temperature in Tamanrasset

In September, Tamanrasset, Algeria begins to transition into milder autumn temperatures, marked by a minimum of 19°C (67°F) and an average of 29°C (84°F). As the month progresses, daytime highs peak at a warm 37°C (99°F), reflecting the lingering warmth of summer. This gradual cooling trend is evident as September's temperatures are notably lower than the intense heat of the preceding months, providing a more comfortable climate for exploration. The shift to these moderate conditions makes September an inviting time for visitors to experience the stunning landscapes and rich culture of Tamanrasset.

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

The chart illustrates September temperature patterns in Tamanrasset, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tamanrasset, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec566169778488888684786760
Data source: Temperature data for Tamanrasset 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 Tamanrasset

In September, Tamanrasset, Algeria, experiences minimal rainfall, with just 2 mm (0.1 in) noted for the month, continuing a trend of dry conditions that characterize much of the year. With no recorded precipitation days during this month, it's evident that the region remains largely arid as it transitions from the slightly wetter August, which saw 9 mm of rain over four days. This consistent lack of substantial rainfall reinforces the dryness prevalent from most other months, highlighting the stark climatic conditions of the Algerian landscape where precipitation is scarce.

September Precipitation Trends in Tamanrasset

The chart displays monthly precipitation patterns in Tamanrasset, 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 Tamanrasset, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec110122292220
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tamanrasset

In September, Tamanrasset, Algeria experiences a slight resurgence in humidity, with levels averaging 16%. This marks a subtle increase from the particularly dry months of July and August, which recorded some of the lowest humidity levels at just 16% and 14%, respectively. Following the arid peak of summer, this modest uptick hints at the transition into the more humid autumn months ahead. As the year progresses, humidity levels climb steadily, reaching 25% in October and peaking at 36% in December, illustrating a clear seasonal shift that indicates the onset of cooler, more moisture-laden air. Thus, September serves as a bridge, gently nudging the climate towards the wetter months to come.

September Average Humidity in Tamanrasset

This chart illustrates the average monthly humidity levels in Tamanrasset, 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 Tamanrasset is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec32%28%21%19%16%19%16%14%16%25%32%37%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tamanrasset

In September, Tamanrasset, Algeria experiences an UV Index of 12, categorized as extreme exposure, with a burn time of just 10 minutes. This month marks a continuation of the intense UV levels seen throughout the summer, maintaining the trend of high solar radiation that began in March. With only minor fluctuations, September's UV conditions closely follow August's peak, where the index also reached 13. As the year transitions into fall, the UV Index begins a gradual decline, but for now, sun protection remains crucial. For a closer look at the UV Index throughout the year, visit Tamanrasset UV Index.

Maximum UV Index Levels in Tamanrasset for September

The chart shows the monthly maximum UV Index (UVI) for Tamanrasset 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 Tamanrasset typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111313121213121197
Data source: Tamanrasset 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.

September Sunshine in Tamanrasset

As September unfolds in Tamanrasset, Algeria, the sun continues to shine brightly, offering an impressive 336 hours of sunlight. This marks a slight decline from the peak of 362 hours experienced in July, yet it remains robust when compared to the earlier months of the year. The golden rays of September seamlessly transition from the sultry summer, maintaining a vibrant warmth that enhances the beauty of the desert landscape. As the months progress into October, sunshine begins to taper slightly, suggesting the region’s gradual shift towards cooler autumn days. The consistent high levels of sunlight throughout the previous months underscore Tamanrasset's allure as a sun-kissed destination, where the warmth nurtures both nature and spirit.

Monthly Sunshine Duration in Tamanrasset: September Highlighted

The September sunshine duration represents the total number of hours Tamanrasset experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec259h298h338h345h359h346h362h348h336h328h307h313h
Data source: Tamanrasset September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tamanrasset During September

In Tamanrasset, Algeria, September boasts a remarkable 87% chance of sunny weather, making it one of the sunniest months of the year. This trend aligns with the generally high levels of sunshine evident from June's 85% and February's 84%, while the summer months of May (61%) and July (66%) see a dip in sun chances, possibly due to increased cloud cover and humidity. As the seasons transition, September shines brightly, indicating a favorable time for those seeking warm, sunny days to enjoy outdoor activities before the cooler months set in. With October's chances remaining robust at 78%, the delightful weather in September sets the stage for a bountiful autumn in this breathtaking region.

Percentage of Sunny Days in September in Tamanrasset

The chart illustrates the percentage of sunny days in Tamanrasset throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tamanrasset experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec78%84%79%76%61%85%66%67%87%79%52%58%
Data source: Tamanrasset September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tamanrasset in September

In Tamanrasset, Algeria, September marks the transition from the longer days of summer to the shorter daylight hours of autumn. With 12 hours of daylight, September mirrors the daylight duration seen in both April and August, highlighting a time of moderate sunshine before the days begin to wane. This consistency reflects the region's relatively stable daylight pattern, where the longest months occur from May to July, each boasting 13 hours of bright sunlight. As the year progresses, daylight gradually diminishes, decreasing to 11 hours in October and November before reaching the 10-hour mark in December. This cyclic shift underscores the rhythmic nature of seasonal change in Tamanrasset, creating a captivating interplay between light and darkness throughout the year.

Average Daylight Hours in Tamanrasset for September

The chart illustrates the variation in daylight duration in Tamanrasset throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 53m11h 23m12h 1m12h 40m13h 13m13h 29m13h 21m12h 52m12h 14m11h 35m11h 2m10h 44m
Data source: Tamanrasset daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tamanrasset

In September, Tamanrasset experiences a notable increase in wind speed, reaching an average of 5.0 m/s (11 mph). This uptick reflects a transition from the relatively calmer summer months, where average speeds lingered around 4.7 m/s in August. Throughout the year, wind patterns show a general slight fluctuation, with the strongest gusts noted in March and June, both peaking at 5.3 m/s (12 mph). As the year draws to a close, the wind tends to calm down, with November and December recording lower averages of 3.6 m/s and 3.4 m/s respectively. Thus, September stands out as a refreshing midpoint, signifying the shift in seasonal dynamics, making it an inviting time for those drawn to the allure of Tamanrasset's desert winds.

Average September Wind Speed in Tamanrasset

The chart displays monthly wind speed patterns in Tamanrasset, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.85.34.44.05.34.94.75.0 m/s4.03.63.4
Data source: Tamanrasset September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tamanrasset Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures soar with a minimum of 19°C (67°F) and an average high of 29°C (84°F), often peaking at 37°C (99°F). The month is characterized by extremely low humidity at just 16%, and virtually no precipitation, typically with 0 rainy days. In contrast, January experiences much cooler temperatures, with a minimum of 1°C (34°F) and an average high reaching 29°C (84°F), making it significantly cooler overall with an average temperature of 13°C (57°F). While precipitation is minimal at 1 mm (0.0 in), January boasts a higher humidity level of 32%. For a more detailed look at January weather, you can refer to Tamanrasset weather in January.

September and February present strikingly contrasting weather patterns. In September, temperatures soar with a minimum of 19°C (67°F) and an average high of 29°C (84°F), making it a hot month with a peak reaching 37°C (99°F). The dryness is evident, as precipitation is minimal at just 2 mm (0.1 in) over 0 days and humidity remains low at 16%. In contrast, February experiences much cooler temperatures, with a minimum of 0°C (33°F) and an average of 16°C (62°F), reaching up to 30°C (85°F). Despite this chillier atmosphere, February still maintains low precipitation at 1 mm (0.0 in) over 0 days, but has a higher humidity level of 28%. For more detailed insights into February's climate, you can explore Tamanrasset weather in February.

The weather in September and March presents a stark contrast in temperature and conditions. September boasts much warmer temperatures, with an average high of 29°C (84°F) and extremes reaching up to 37°C (99°F), alongside very low humidity at 16%. In comparison, March is considerably cooler, featuring a minimum temperature of 3°C (38°F) and an average of 20°C (69°F), with maximum temperatures peaking at 33°C (91°F). Both months experience minimal precipitation, but March has slightly higher humidity at 21%. For a detailed look at the climate, check out Tamanrasset weather in March.

In September, the weather is significantly warmer, with average temperatures reaching 29°C (84°F) and maximum highs soaring up to 37°C (99°F), compared to April's more moderate average of 25°C (77°F) and a maximum of 36°C (97°F). Despite both months experiencing minimal precipitation, September has slightly lower humidity at 16%, while April's humidity sits at 19%. This combination of higher temperatures and lower humidity makes September feel hotter overall. For more detailed information about weather patterns, check out Tamanrasset weather in April.

In September, the weather averages a minimum temperature of 19°C (67°F) and peaks at a maximum of 37°C (99°F), with little to no precipitation and humidity levels remaining constant at 16%. Conversely, May offers slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum reaching 38°C (101°F), while also experiencing minimal precipitation. Both months share a similar average temperature of around 29°C (85°F), making them warm and dry. For more detailed insights, you can check Tamanrasset weather in May.

When comparing the weather in September and June, we see some notable differences. September typically experiences slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 37°C (99°F), while June is warmer, featuring a minimum of 21°C (69°F) and a maximum of 40°C (104°F). Both months have minimal precipitation, averaging just 2 mm (0.1 in) with no rainy days, contributing to a dry climate. Humidity levels are also slightly lower in September at 16% compared to 19% in June. For more detailed insights on June weather, check out Tamanrasset weather in June.

In comparing the weather between September and July, September tends to be slightly cooler, with a minimum temperature of 19°C (67°F) and an average of 29°C (84°F), while July features warmer conditions with a minimum of 22°C (73°F) and an average of 31°C (89°F). Both months experience minimal precipitation, recording only 2 mm (0.1 in) without any rainy days, and maintain consistent humidity levels at 16%. However, July peaks at a maximum temperature of 40°C (105°F), surpassing September's maximum of 37°C (99°F). For more detailed information on July weather, you can refer to Tamanrasset weather in July.

In September, temperatures in Tamanrasset show a slight decrease compared to August, with a minimum of 19°C (67°F) and a maximum of 37°C (99°F), while the average temperature is 29°C (84°F). The weather is notably drier in September, recording just 2 mm (0.1 in) of precipitation over 0 days, and the humidity level is a comfortable 16%. In contrast, August experiences higher temperatures, with a minimum of 21°C (71°F) and a maximum of 39°C (102°F), along with more precipitation at 9 mm (0.4 in) spread over 4 days and lower humidity at 14%. For more detailed information, you can visit Tamanrasset weather in August.

In September, temperatures in Tamanrasset are quite high, with a minimum of 19°C (67°F) and an average of 29°C (84°F), peaking at a scorching 37°C (99°F). The humidity is low at 16%, and there is no recorded precipitation during the month. In contrast, October brings a noticeable drop in temperatures, with a minimum of 12°C (54°F) and an average of 25°C (78°F), reaching a maximum of 35°C (95°F). The humidity increases to 25%, yet precipitation remains the same at 2 mm (0.1 in) with no rainy days. For more details, check out Tamanrasset weather in October.

In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and a scorching average high of 29°C (84°F), peaking at 37°C (99°F). The month is notably dry, with only 2 mm of precipitation and no rainy days, accompanied by low humidity at just 16%. In contrast, November brings a significant drop in temperatures, with minimums dipping to 7°C (44°F) and an average high of 20°C (67°F), peaking at 30°C (86°F). While also dry with only 1 mm of precipitation and no rainy days, November sees a noticeable increase in humidity, rising to 32%. For more detailed insights on Tamanrasset's November weather, check out Tamanrasset weather in November.

In September, Tamanrasset experiences hot weather with temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 37°C (99°F), while the average hovers around 29°C (84°F). With only 2 mm of precipitation and humidity at a low 16%, it’s typically a dry month. In stark contrast, December sees much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), leading to an average of 16°C (60°F). Although precipitation remains at 0 mm, the humidity rises to 36%, reflecting the cooler climate of winter. For more details, consider checking out this link for Tamanrasset weather in December.

Compare Tamanrasset's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tamanrasset

As September unfolds in Tamanrasset, the weather presents a warm embrace, characterized by minimal precipitation and crisp evenings. With average temperatures hovering around 29°C (84°F), the month stands out as a transition from the intense summer heat, where maximums can reach a sweltering 37°C (99°F). The unique combination of low humidity at 16% and virtually no rainfall gives September a distinct arid charm, setting it apart from the more temperate months that follow. For those keen on understanding how Tamanrasset’s weather evolves over the year, explore more at Tamanrasset Climate.