September Weather in Kerman, Iran

Last updated: August 21, 2025

In September, Kerman, Iran showcases a temperate climate characterized by a maximum temperature of 35°C (96°F) and an average temperature of 23°C (73°F), offering warm days and cool nights. The mercury dips to a minimum of 9°C (48°F), providing a refreshing contrast. Remarkably, this month experiences no rainfall, with precipitation recorded at 0 mm across zero rainy days, creating a dry atmosphere further accentuated by a low humidity level of just 17%. This combination results in a crisp, clear weather perfect for outdoor activities and exploration.

September Temperature in Kerman

September in Kerman, Iran marks the transition from the sweltering summer heat to the cooler embrace of autumn. With nighttime temperatures dipping to a comfortable 9°C (48°F) and daytime highs reaching a warm 35°C (96°F), the month presents a balanced climate for outdoor exploration. The average temperature settles around 23°C (73°F), offering a pleasant reprieve from the higher averages experienced in July and August. As the month progresses, the noticeable decline in maximum temperatures heralds the impending chill of October, creating a beautiful tapestry of warm days that gently cool into crisp evenings, inviting both locals and travelers to enjoy Kerman's unique charm during this vibrant season.

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

The chart illustrates September temperature patterns in Kerman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kerman, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424755647082838073635044
Data source: Temperature data for Kerman 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 Kerman

September marks a stark transition in Kerman, Iran, as the city experiences zero precipitation for the month, continuing the arid pattern set from June to August. Following a relatively wet start to the year, with January bringing 13 mm and February peaking at 26 mm, the subsequent months witness a dramatic decline in rainfall. The dry spell solidifies in the late summer, setting the stage for a parched September where the heavens remain unyielding. As the seasons shift toward October, residents await the first hints of rain, projected at 5 mm, hoping to break the extended dry streak that characterizes the preceding months. This trend underscores Kerman's semi-arid climate, where prolonged dry periods are common, shaping both the environment and the lifestyle of its inhabitants.

September Precipitation Trends in Kerman

The chart displays monthly precipitation patterns in Kerman, 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 Kerman, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1326201815000061313
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kerman

In Kerman, Iran, September marks a notable shift in humidity levels as summer gives way to early autumn. With humidity at a modest 17%, this month continues the trend of significantly lower moisture, a stark contrast to the more humid winter months, where levels can rise to around 57% in November. The drop begins in late spring, reaching its lowest point during the scorching summer, specifically in July and August, both at a mere 13%. As September progresses, residents can expect a slight increase, setting the stage for a gradual rise in humidity as they move towards the cooler and more humid months of October and December. The overall pattern reveals Kerman's arid climate, characterized by dry summers and a return to more humid conditions as the year draws to a close.

September Average Humidity in Kerman

This chart illustrates the average monthly humidity levels in Kerman, 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 Kerman is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%45%45%44%42%25%13%13%17%34%57%53%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kerman

As September rolls into Kerman, Iran, the UV Index remains high, reflecting a persistent trend of extreme exposure that has characterized the summer months. With a UV Index of 12, the risk of harm from unprotected sun exposure stays significant, necessitating protective measures for outdoor activities, as the burn time is just 10 minutes. This trend of elevated UV levels continues from the intense summer, where values peaked at 14 in May and July. As we transition to October, there's a slight reprieve with the index dropping to 9, but for now, residents and visitors must remain vigilant in safeguarding their skin. For more insights, you can check the detailed Kerman UV Index.

Maximum UV Index Levels in Kerman for September

The chart shows the monthly maximum UV Index (UVI) for Kerman 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 Kerman typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6812121413141212975
Data source: Kerman 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 Kerman

In Kerman, Iran, September brings a delightful continuation of summer's embrace, with an impressive 348 hours of sunshine—just a touch lower than the peak summer months of July and August that enjoy the highest rays at 395 and 383 hours, respectively. As summer transitions into autumn, this gradual decline in sunlight heralds a shift, yet September still boasts ample sun, ensuring vibrant days and warm evenings. Following this sun-drenched month, hours of sunshine begin to taper as the year draws to a close, with October recording 333 hours, illustrating a clear trend of diminishing daylight as winter approaches. This month serves as a beautiful bridge between the languid days of summer and the cooler, shorter days ahead.

Monthly Sunshine Duration in Kerman: September Highlighted

The September sunshine duration represents the total number of hours Kerman 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h286h339h349h383h389h395h383h348h333h298h299h
Data source: Kerman September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kerman During September

In September, Kerman, Iran, boasts an impressive 96% chance of sunny weather, making it one of the sunniest months of the year. This high likelihood continues the trend established in the summer, particularly in June, which also enjoys a similar percentage. As summer transitions into autumn, the sunny disposition remains strong, with only October closely following at 95%. This pattern highlights Kerman's consistently bright weather, particularly in the latter half of the year, making September an ideal time for outdoor activities and soaking up the sun's rays.

Percentage of Sunny Days in September in Kerman

The chart illustrates the percentage of sunny days in Kerman 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 Kerman experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec87%76%79%62%78%96%81%86%96%95%83%67%
Data source: Kerman September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kerman in September

As September arrives in Kerman, Iran, the daylight duration settles at an inviting 12 hours, marking a gentle transition from the long, sun-drenched days of summer to the cooler embrace of autumn. This month reflects a shift from the peak of 14 hours in June and 13 hours in July and August, illustrating the region's temperate climate patterns. Following September's balance of light, daylight hours will gradually decrease again, settling to 11 hours in October and continuing to darken through the end of the year. The overall trend shows a steady increase in daylight from winter through summer, culminating in a rhythmic ebb as the seasons shift, offering Kerman residents a dynamic interplay of light throughout the year.

Average Daylight Hours in Kerman for September

The chart illustrates the variation in daylight duration in Kerman throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 18m11h 24m10h 36m10h 12m
Data source: Kerman daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kerman

As September unfolds in Kerman, Iran, a subtle shift in the air can be felt, characterized by a gentle breeze with an average wind speed of 1.9 m/s (4 mph). This marks a notable drop from the summer months, where the winds maintained a steady pace of 2.2 m/s (5 mph). As the last whispers of summer fade, September's calmer wind invites a sense of tranquility, paving the way for a transition into the cooler autumnal months ahead. Interestingly, the winds pick up slightly again in October, reflecting a cyclic pattern of fluctuations throughout the year, with the overall trend showcasing the softest breezes in the fall and winter months, hinting at the region's characteristic climate rhythms.

Average September Wind Speed in Kerman

The chart displays monthly wind speed patterns in Kerman, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.13.52.42.22.22.22.21.9 m/s2.01.72.0
Data source: Kerman September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kerman Compares to Other Months

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

In September, the weather is warm and dry, with temperatures ranging from a cool 9°C (48°F) at night to a scorching high of 35°C (96°F) during the day, and notable low humidity at just 17%. In stark contrast, January brings much cooler temperatures, with lows dipping to -10°C (15°F) and daytime averages around 5°C (42°F), accompanied by increased humidity at 50% and light precipitation over three days. For more detailed information, check out Kerman weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 35°C (96°F), offering warm afternoons with almost no precipitation or humidity, at just 17%. In contrast, February experiences much cooler temperatures, with a minimum of -9°C (17°F) and an average of 8°C (47°F), reaching a maximum of 24°C (75°F). This month also sees about 26 mm (1.0 in) of precipitation over 5 days, resulting in a higher humidity level of 45%. For more detailed information on February weather in Kerman, check out Kerman weather in February.

September and March present strikingly different weather characteristics. September is characterized by warm temperatures, with a minimum of 9°C (48°F) and an average of 23°C (73°F), peaking at a scorching 35°C (96°F). This month enjoys dry conditions, marked by no recorded precipitation and a low humidity of 17%. In contrast, March experiences a more varied climate, where temperatures range from a chilly minimum of -4°C (25°F) to an average of 13°C (55°F), ultimately reaching a maximum of 29°C (85°F). This month also sees some precipitation, totaling 20 mm (0.8 in) over approximately five days, and a higher humidity level of 44%. For more detailed insights into March weather, visit Kerman weather in March.

In September, temperatures range significantly from a minimum of 9°C (48°F) to a scorching maximum of 35°C (96°F), with an average temperature of 23°C (73°F). The month is characterized by dry conditions, as there is no recorded precipitation and humidity levels are low at 17%. In contrast, April presents a cooler climate, with temperatures varying from a minimum of 3°C (38°F) to a maximum of 31°C (88°F), averaging 18°C (64°F). This month also experiences some rainfall, totaling 17 mm (0.7 in) over three days, and higher humidity levels at 44%. For more details, you can check Kerman weather in April.

When comparing the weather in September and May, notable differences emerge in both temperature and humidity. September tends to be warmer, with average highs reaching 35°C (96°F), while May's temperatures peak at 37°C (98°F), but with a slightly lower average of 21°C (71°F). However, May experiences higher humidity at 42%, contrasted with September's dry climate, which boasts only 17% humidity and no recorded precipitation over the month. Additionally, May often sees some rainfall, totaling 15 mm (0.6 in) over four days, whereas September remains completely dry. For those interested in the specifics of May’s weather, more details can be found Kerman weather in May.

In comparing the weather between September and June, September offers cooler temperatures, with a minimum of 9°C (48°F) and an average temperature of 23°C (73°F), reaching a maximum of 35°C (96°F). The humidity is relatively low at 17%, contributing to a more comfortable atmosphere. In contrast, June is significantly warmer, with a minimum temperature of 14°C (57°F) and an average of 28°C (82°F), peaking at 38°C (101°F). Additionally, June has higher humidity at 25%, making it feel warmer despite the lack of precipitation in both months. For more details on the weather during this month, you can check Kerman weather in June.

In comparing the weather of September and July, there are noticeable differences in temperature and comfort levels. September experiences a broader temperature range, with a minimum of 9°C (48°F) and a maximum of 35°C (96°F), leading to an average of 23°C (73°F). In contrast, July maintains higher temperatures, with a minimum of 16°C (62°F) and a maximum of 39°C (103°F), averaging 28°C (83°F). Both months are notably dry, as they report no precipitation, but September has slightly higher humidity at 17%, compared to July's 13%. This makes September generally more comfortable for outdoor activities than the hotter days of July. For a closer look at July weather specifics, you can check Kerman weather in July.

In comparing the weather of September and August, September typically experiences a slight drop in temperature, with minimums around 9°C (48°F) and maximums reaching up to 35°C (96°F), making the average temperature about 23°C (73°F). In contrast, August is warmer overall, boasting minimum temperatures of 12°C (54°F) and maximums that can peak at 38°C (101°F), with an average of 27°C (80°F). Despite both months having no recorded precipitation, September shows a slightly lower humidity at 17%, while August's humidity is a bit higher at 13%. For more details, you can check this link: Kerman weather in August.

September typically experiences much warmer weather, with average temperatures ranging from a low of 9°C (48°F) to a high of 35°C (96°F) and virtually no precipitation at 0 mm. In contrast, October brings a noticeable drop in temperatures, averaging between 1°C (35°F) and 31°C (89°F), along with a slight increase in humidity at 34% and light precipitation of 5 mm. For more detailed insights about the weather patterns during this time, you can explore Kerman weather in October.

In September, the weather is characterized by warm temperatures, with averages reaching a pleasant 23°C (73°F) and maximums soaring to 35°C (96°F). This month boasts dry conditions, with no recorded precipitation and low humidity at 17%. In contrast, November brings a notable change, with temperatures dropping significantly, averaging around 10°C (50°F) and nighttime lows plummeting to -4°C (25°F). Additionally, November experiences some rainfall, with 13 mm (0.5 inches) over a couple of days, resulting in a much higher humidity level of 57%. For a detailed overview of November's weather, you can visit Kerman weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a minimum of 9°C (48°F) to a blistering maximum of 35°C (96°F), with an average around 23°C (73°F) and completely dry conditions, characterized by 0 mm of precipitation and only 0 days of rain. The humidity level is quite low at 17%, making the heat feel more intense.

Conversely, December brings a much chillier climate, with temperatures dipping to a minimum of -8°C (18°F) and averaging just 7°C (44°F). The maximum temperature reaches a mild 22°C (71°F), but the month sees some precipitation, totaling 13 mm (0.5 in) over 1 day, which contributes to a significantly higher humidity of 53%. For more details, you can visit Kerman weather in December.

Compare Kerman's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kerman

As summer transitions into autumn, September in Kerman brings warm days and cool nights, making it a unique time of year. With average temperatures hovering around a pleasant 23°C (73°F), the month is notably drier, boasting zero precipitation, which sets it apart from the wetter months earlier in the year. The humidity remains low at just 17%, contributing to the overall comfort of the season. This ideal weather provides an excellent opportunity for outdoor activities and exploration. For more insights on Kerman's climate throughout the year, visit Kerman Climate.