September Weather in Yazd, Iran

Last updated: August 21, 2025

In September, Yazd, Iran, experiences warm and dry weather, with maximum temperatures reaching up to 39°C (102°F) and an average of 26°C (79°F). Nighttime brings a cool reprieve, with minimum temperatures dipping to 12°C (54°F). This month marks a complete absence of precipitation, as evidenced by 0 mm (0.0 in) of rain over 0 days. With humidity at a mere 21%, visitors can relish the crisp, arid conditions ideal for exploring this historic and enchanting city.

September Temperature in Yazd

In September, Yazd, Iran, experiences a delightful transition as the sweltering summer gives way to milder temperatures. With average daily temperatures hovering around 26°C (79°F), the city enjoys a comfortable climate, characterized by a minimum of 12°C (54°F) at night and daytime highs reaching up to 39°C (102°F). This slight cooling trend marks a significant dip from the intense heat of August, where temperatures almost consistently peaked above 40°C (104°F). As the month progresses, the weather becomes more inviting, perfect for exploring Yazd's remarkable architecture and vibrant culture, all while wrapped in the warm hues of early autumn.

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

The chart illustrates September temperature patterns in Yazd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yazd, 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).
JanFebMarAprMayJunJulAugSepOctNovDec445059687587898679675347
Data source: Temperature data for Yazd generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Yazd

In Yazd, Iran, September marks a continuation of the arid summer months, with precipitation remaining absent at 0 mm and 0 days of rainfall recorded. This trend reflects the region's characteristic dry climate, particularly during the late summer. As the season shifts towards autumn, the average precipitation gradually increases, with October bringing a modest 4 mm of rain. The contrast is striking compared to April, which sees the highest rainfall of the year at 23 mm over five days. Such patterns underscore the importance of seasonal fluctuations in precipitation, showcasing Yazd's transition from the relentless heat of summer to the cooler months ahead, even as September stands firmly dry.

September Precipitation Trends in Yazd

The chart displays monthly precipitation patterns in Yazd, 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 Yazd, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec813112310000041911
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yazd

In Yazd, Iran, the humidity levels present a notable trend throughout the year. Starting at a comfortable 52% in January, the humidity gradually decreases, reaching a sharp low of just 14% by August. September marks a slight recovery, with humidity rising to 21%, yet it remains one of the drier months of the year. This dip during the summer months correlates with Yazd's intense heat, while the humidity levels begin to climb again into the fall and winter, peaking at 62% in November. This seasonal ebb and flow highlights Yazd's arid climate and the varying atmospheric conditions that define each month.

September Average Humidity in Yazd

This chart illustrates the average monthly humidity levels in Yazd, 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 Yazd is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%47%50%51%48%30%16%14%21%37%62%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yazd

In September, Yazd, Iran experiences a UV Index of 11, maintaining its position in the extreme exposure category, with a burn time of just 10 minutes. This marks the continuation of a trend seen from March through August, where the region consistently faced extremely high UV levels. As summer transitions into autumn, residents and visitors should remain vigilant against sun exposure, as the oppressive rays persist despite the calendar shift. For more insights on sun safety and UV levels, explore Yazd UV Index.

Maximum UV Index Levels in Yazd for September

The chart shows the monthly maximum UV Index (UVI) for Yazd 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 Yazd typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5711111313121111964
Data source: Yazd 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 Yazd

In September, Yazd, Iran, basks in a generous 347 hours of sunshine, marking a delightful transition into autumn. This month continues the trend of abundant sunlight, though it dips slightly from the peak summer months of July and August, which boast 398 and 380 hours, respectively. As the year progresses, the sun-soaked days begin to gradually wane, following the June peak of 391 hours and leading towards the 331 hours found in October. The striking pattern reveals a region deeply embraced by the sun, ensuring that even as temperatures cool, the warmth of sunlight remains a vibrant companion throughout September.

Monthly Sunshine Duration in Yazd: September Highlighted

The September sunshine duration represents the total number of hours Yazd 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.
JanFebMarAprMayJunJulAugSepOctNovDec242h287h342h344h380h391h398h380h347h331h290h292h
Data source: Yazd September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yazd During September

In Yazd, Iran, September boasts an impressive 96% chance of sunny weather, positioning it among the sunniest months of the year. This trend follows closely after the hotter summer months of June, July, and August, where sunny days remain prevalent at 98%, 85%, and 86% respectively. As summer transitions into autumn, the likelihood of sunshine remains high, making September an ideal time for outdoor activities and exploration. Interestingly, the sun makes a commanding presence in Yazd throughout the year, with only a handful of months dipping below 75% chance of sunshine, showcasing the region's overall arid climate. With September's abundant sunlight, visitors can enjoy the stunning desert landscapes and rich cultural heritage, celebrating the vibrant atmosphere that characterizes this enchanting city.

Percentage of Sunny Days in September in Yazd

The chart illustrates the percentage of sunny days in Yazd 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 Yazd experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec90%81%75%57%73%98%85%86%96%98%74%66%
Data source: Yazd September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yazd in September

As the summer heat begins to wane, September in Yazd, Iran, offers a gentle transition with approximately 12 hours of daylight. This marks a subtle decline from the peak of 14 hours in June, presenting a balance between the extended sunlight of summer and the shorter days of autumn that follow. After enjoying longer days in the warmer months, the gradual shortening in September signals the onset of cooler weather, inviting locals and visitors alike to embrace the changing season with outdoor activities under the softening sun. As daylight duration continues to decrease into October, Yazd's enchanting landscapes remain illuminated, creating a picturesque backdrop for this period of transformation.

Average Daylight Hours in Yazd for September

The chart illustrates the variation in daylight duration in Yazd throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 18m11h 2m11h 59m12h 57m13h 46m14h 11m13h 58m13h 15m12h 19m11h 21m10h 31m10h 5m
Data source: Yazd daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yazd

As September arrives in Yazd, Iran, the gentle whispers of the wind linger at an average speed of 2.2 m/s (5 mph), mirroring the calm breezes experienced throughout much of the summer. This steady airflow remains consistent, showing little fluctuation compared to the preceding months, where it danced between 2.2 m/s to 2.6 m/s. Such stability hints at a tranquil transition into autumn, as the city prepares for cooler days ahead. Remarkably, as the year progresses into the autumn months, a slight decline in wind speed is observed, dropping to 2.1 m/s in October and further to 1.9 m/s in November. This gradual decrease underscores a seasonal shift, yet September holds onto its gentle winds, making it a lovely time for leisurely strolls through the historic streets of Yazd.

Average September Wind Speed in Yazd

The chart displays monthly wind speed patterns in Yazd, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.62.32.42.42.42.22.2 m/s2.11.92.2
Data source: Yazd September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yazd Compares to Other Months

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

September and January exhibit stark contrasts in weather patterns. In September, temperatures soar with a minimum of 12°C (54°F), averaging around a warm 26°C (79°F), and peaking at a scorching 39°C (102°F). The month is characterized by dry conditions, with 0 mm of precipitation and no rainy days, coupled with low humidity of 21%.

In contrast, January brings a chill, as temperatures plummet with a minimum of -8°C (17°F) and an average of just 7°C (44°F), while the maximum reaches a mild 23°C (73°F). This winter month sees some precipitation, recording 8 mm over two days and experiencing higher humidity at 52%. For more detailed information about weather conditions in Yazd during January, you can check Yazd weather in January.

In September, the weather is characterized by warm temperatures, with minimums of 12°C (54°F) and maximums soaring up to 39°C (102°F), making it an ideal time for outdoor activities with clear skies and no precipitation. The humidity remains low at 21%, contributing to a dry and comfortable atmosphere. In stark contrast, February brings much cooler temperatures, ranging from a chilly -8°C (18°F) at night to a mild 26°C (79°F) during the day. This month experiences an average of 13 mm of precipitation over about three days, and humidity levels rise to 47%, giving the air a different feel. For more details on February weather in Yazd, check out Yazd weather in February.

September in Yazd is characterized by a warm and dry climate, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 39°C (102°F) and an average of 26°C (79°F). The humidity is quite low at 21%, and the month sees no precipitation, creating a consistently arid environment.

In contrast, March brings a more moderate climate with temperatures ranging from 0°C (32°F) to a maximum of 32°C (90°F), and an average of 15°C (59°F). This month experiences a bit of rainfall, with a total of 11 mm (0.4 in) spread over roughly 2 days, resulting in a higher humidity level of 50%.

For a detailed overview of the weather in Yazd during March, you can visit this link: Yazd weather in March.

In September, Yazd experiences a warmer climate with average temperatures around 26°C (79°F) and a maximum that can reach as high as 39°C (102°F), whereas April is considerably cooler, with average temperatures of 20°C (68°F) and a maximum of 33°C (91°F). Additionally, September boasts dry conditions with no recorded precipitation, while April sees about 23 mm (0.9 in) of rain over approximately five days, resulting in higher humidity levels (51%) compared to September's dry air at just 21%. For more details on April weather in Yazd, check out Yazd weather in April.

September in Yazd enjoys warm temperatures, with a minimum of 12°C and an average high of 39°C, while maintaining a dry atmosphere with no recorded precipitation. In contrast, May offers slightly cooler temperatures, ranging from a minimum of 12°C to a maximum of 38°C, accompanied by a modest amount of rainfall (10 mm) over two days, and a significantly higher humidity level of 48%. For more detailed insights on the weather in May, you can visit Yazd weather in May.

In comparing the weather of September and June, September offers slightly cooler temperatures overall, with a minimum of 12°C (54°F), an average of 26°C (79°F), and a maximum of 39°C (102°F). In contrast, June tends to be warmer, featuring a minimum temperature of 16°C (61°F), an average of 30°C (87°F), and a higher maximum of 41°C (107°F). Both months exhibit dry conditions, with no recorded precipitation or rainy days, yet September has a lower humidity level at 21% compared to June's 30%. For more specific details about the weather in Yazd during June, you can refer to Yazd weather in June.

In comparing the weather of September and July, it is evident that July is generally hotter with an average temperature of 32°C (89°F), peaking at a maximum of 42°C (109°F). In contrast, September brings slightly cooler temperatures, with an average of 26°C (79°F) and a maximum of 39°C (102°F). Both months experience zero precipitation and minimal humidity, with July having a slightly lower humidity level at 16% compared to September’s 21%. For more details on July weather, you can check Yazd weather in July.

In comparing the weather between August and September, September offers slightly cooler temperatures with a minimum of 12°C (54°F) and a maximum of 39°C (102°F), whereas August features a higher minimum of 15°C (60°F) and a scorching maximum of 43°C (109°F). The average temperature drops from 30°C (86°F) in August to 26°C (79°F) in September. Both months experience no precipitation and humidity remains relatively low, but September is slightly more humid at 21% compared to August's 14%. For more detailed insights on August weather, check out Yazd weather in August.

September and October present a stark contrast in weather conditions. In September, temperatures range from a minimum of 12°C (54°F) to a scorching maximum of 39°C (102°F), with an average of 26°C (79°F) and no recorded precipitation. The humidity is notably low at 21%, contributing to the heat. In contrast, October sees a drop in temperatures, with a minimum of 5°C (41°F) and a maximum of 33°C (92°F), averaging around 19°C (67°F). While there's a slight increase in humidity to 37%, October experiences minimal rainfall of 4 mm (0.1 in) over just one day. For a more detailed look at October weather, you can refer to Yazd weather in October.

In September, the weather is characterized by high temperatures, with a minimum of 12°C (54°F) and an average of 26°C (79°F), peaking at a scorching 39°C (102°F). This month is dry, featuring no recorded precipitation and low humidity at just 21%. In contrast, November brings a significant shift as temperatures drop to a minimum of -2°C (29°F) and average around 12°C (53°F), with a maximum of 28°C (83°F). This month sees an increase in moisture, with 19 mm (0.7 in) of rainfall spread over four days, and humidity rising to 62%. For a more detailed look at the weather in this month, you can visit Yazd weather in November.

In September, the weather is typically warm, with average temperatures around 26°C (79°F) and a maximum of 39°C (102°F), while the humidity remains low at 21%. This month also boasts clear skies with no recorded precipitation. In contrast, December sees a significant drop in temperatures, with an average of 8°C (47°F) and lows plummeting to -6°C (22°F). The humidity increases to 56%, and there is a slight chance of precipitation, averaging 11 mm over two days. For more detailed information on December conditions, you can check Yazd weather in December.

Compare Yazd's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yazd

In September, Yazd experiences scorching temperatures as the summer heat lingers, with averages soaring higher than in the cooler months that follow. With almost zero precipitation and strikingly low humidity, this month stands out as a dry and arid transition from the relentless summer sun towards the milder fall season. If you're planning a visit, be prepared for the heat, but rest assured that the clear skies and warm days offer a unique glimpse of Yazd's charm. For more detailed insights, check out the full Yazd Climate.