September Weather in Manjil, Iran

Last updated: August 21, 2025

September in Manjil, Iran presents a striking contrast in weather, where temperatures peak at a sizzling 40°C (103°F) while averaging a comfortable 20°C (68°F). The nights cool off significantly, dipping to a refreshing 9°C (49°F). Despite the warmth, this month is characterized by considerable precipitation, totaling 85 mm (3.3 in) over approximately 16 days, contributing to a 58% humidity level that enhances the region's lushness. Travelers can expect a blend of sun-soaked days and intermittent showers, making September a unique time to experience the natural beauty of Manjil.

September Temperature in Manjil

In September, temperatures in Manjil, Iran, start to shift from the sweltering heat of summer towards the crispness of autumn. The minimum temperature settles around 9°C (49°F), providing some relief from the previous months' extremes. Average temperatures hover at a comfortable 20°C (68°F), perfect for outdoor activities. However, warm afternoons can still see temperatures soaring to a maximum of 40°C (103°F), a lingering reminder of summer's presence. This transitional month highlights a gradual cooling trend, setting the stage for the cooler days ahead while still enjoying residual warmth.

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

The chart illustrates September temperature patterns in Manjil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manjil, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394149566572747268595043
Data source: Temperature data for Manjil 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 Manjil

In September, Manjil experiences a notable increase in precipitation, recording 85 mm (3.3 in) over 16 days of rain. This uptick follows the drier months of summer, where rainfall remained sparse, particularly in June with just 24 mm (1.0 in) and dropping to only 6 days of precipitation. The transition into September marks a shift as the city welcomes the onset of autumn, reflected in the higher rainfall patterns that continue into the following months. With a consistent increase in precipitation leading into October, which averages 98 mm (3.9 in), September serves as a crucial bridge, hinting at the wetter weather that characterizes the latter part of the year in this region.

September Precipitation Trends in Manjil

The chart displays monthly precipitation patterns in Manjil, 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 Manjil, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61108879553245765859811366
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manjil

In September, Manjil experiences a notable shift in humidity, averaging around 58%, marking a slight increase from the drier months of July and August, which saw lows of 61% and 49%, respectively. As summer recedes, the humidity begins to rise again, hinting at the transition into the wetter autumn months. This pattern reflects a seasonal rhythm, as humidity levels remain notably high during the winter and early spring, peaking at 75% in January and February. Consequently, September serves as a bridge, gently easing the region from the dry summer into the more humid climates that characterize the fall and winter seasons.

September Average Humidity in Manjil

This chart illustrates the average monthly humidity levels in Manjil, 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 Manjil is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%72%65%65%65%61%49%58%73%75%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Manjil

As summer transitions into autumn, September in Manjil, Iran, continues to showcase a very high UV Index of 9, with a burn time of just 15 minutes. This marks a slight decrease from the intense UV levels seen in May and June, which reached extreme levels, yet still emphasizes the need for effective sun protection. Visitors and locals alike should remain cautious as the month progresses, reflecting a broader trend of fluctuating UV exposure throughout the year. Generally, the spring and summer months exhibit higher indices, but even in September, the sun's rays are potent enough to warrant vigilance. For more information on the UV Index throughout the year, visit Manjil UV Index.

Maximum UV Index Levels in Manjil for September

The chart shows the monthly maximum UV Index (UVI) for Manjil 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 Manjil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4599121110109743
Data source: Manjil 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 Manjil

September in Manjil, Iran, welcomes a delightful transition as the days begin to shorten but still bask in an impressive 336 hours of sunshine. This month showcases a notable dip from the peak summer months of June and July, where sunshine hours reached around 395 and 394, respectively. However, compared to the cooler fall months that follow, September retains a generous amount of radiant daylight, setting it apart from October's 306 hours and November's 251 hours. As summer's warmth lingers just a bit longer, September offers a perfect blend of sunny days, making it an ideal time to enjoy the outdoors before autumn's embrace.

Monthly Sunshine Duration in Manjil: September Highlighted

The September sunshine duration represents the total number of hours Manjil 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.
JanFebMarAprMayJunJulAugSepOctNovDec217h256h312h333h385h395h394h375h336h306h251h258h
Data source: Manjil September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Manjil During September

In September, the likelihood of sunny weather in Manjil, Iran stands at a modest 41%, indicating a slight dip from the summer months. Following the bright and sunny days of June, August, and the more temperate July, September transitions into a period where sunshine becomes less certain. This month's chances of sunshine are notably lower compared to January's strong 69% and even June's peak; however, they fare better than some of the upcoming months, like October, which sees a decline to 32%. With the shift from summer to autumn, September offers a gentle reminder of weather's unpredictability, making it a transitional month filled with potential for those seeking a mix of sun and the onset of cooler days.

Percentage of Sunny Days in September in Manjil

The chart illustrates the percentage of sunny days in Manjil 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 Manjil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%56%38%51%45%69%42%69%41%32%50%64%
Data source: Manjil September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Manjil in September

In September, Manjil, Iran, enjoys a transition into shorter days as daylight lasts for 12 hours, marking a gradual decline from the summer peak of 14 hours seen in the months of May through August. This subtle shift in daylight reflects the changing seasons, moving from the vibrant, sunny days of summer toward the cooler, shorter days of autumn. As the daylight hour trend continues, October will further reduce to 11 hours, reminding residents of the rhythm of nature and the approaching winter months, while still allowing for a rich array of outdoor experiences during the pleasantly warm September days.

Average Daylight Hours in Manjil for September

The chart illustrates the variation in daylight duration in Manjil throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 50m11h 58m13h 8m14h 7m14h 37m14h 21m13h 29m12h 22m11h 12m10h 11m9h 40m
Data source: Manjil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Manjil

As September graces Manjil, Iran, the wind takes on a gentle charm, averaging 1.8 m/s (4 mph)—a subtle increase from the summer's lull. Throughout the warmer months, wind speeds remained relatively stable, hovering around the 1.6 to 1.9 m/s mark. However, as September unfolds, a slight uptick hints at the seasonal transition, aligning with the annual pattern of increased wind speeds during the fall months. With October and November anticipated to return to 1.6 m/s and 1.8 m/s, respectively, this September breeze serves as a brief herald of change—gentler than winter but fresh enough to invigorate the fading warmth of summer.

Average September Wind Speed in Manjil

The chart displays monthly wind speed patterns in Manjil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.51.92.01.71.71.81.91.61.8 m/s1.61.82.2
Data source: Manjil September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Manjil Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 9°C (49°F) at night to a sizzling 40°C (103°F) during the day, while the average temperature hovers around 20°C (68°F). This month experiences about 85 mm (3.3 in) of precipitation over 16 days, with a humidity level of 58%. In contrast, January is characterized by much colder conditions, with nighttime temperatures plummeting to -16°C (4°F) and averaging just 4°C (39°F) throughout the day. The maximum temperature doesn't rise above 20°C (68°F), and precipitation is lower at 61 mm (2.4 in) across 9 days, accompanied by higher humidity at 75%. For more details, you can refer to Manjil weather in January.

September and February showcase stark contrasts in weather. In September, temperatures range from a mild 9°C (49°F) at night to a scorching 40°C (103°F) during the day, with an average of 20°C (68°F). The month sees about 85 mm (3.3 in) of precipitation over 16 days, accompanied by a humidity level of 58%. In contrast, February presents a chillier landscape, with temperatures dipping to a frigid minimum of -21°C (-5°F) and peaking at a comfortable 22°C (72°F), averaging just 5°C (41°F). This month is wetter, recording 108 mm (4.2 in) of precipitation over 12 days and higher humidity levels at 75%. For a closer look at the February conditions, you can visit Manjil weather in February.

September and March present contrasting weather patterns. September experiences a warmer climate with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 40°C (103°F), averaging around 20°C (68°F). In contrast, March starts with chillier temperatures, with lows of -5°C (23°F) and highs reaching 31°C (88°F), averaging only 9°C (49°F). Both months see a similar amount of precipitation, with September recording 85 mm (3.3 in) over 16 days and March slightly higher at 87 mm (3.4 in) over 15 days. Additionally, March tends to have higher humidity levels at 72%, compared to September's 58%. For more detailed insights, check Manjil weather in March.

In comparing the weather between September and April, one can note distinct differences in temperature and precipitation. September experiences a broader temperature range, with a minimum of 9°C (49°F) and a maximum soaring to 40°C (103°F), while April's temperatures are milder, ranging from a low of -3°C (27°F) to a high of 32°C (90°F). Although September has a slightly lower average precipitation of 85 mm (3.3 in) over 16 days compared to April's 95 mm (3.8 in) across 14 days, the humidity levels are relatively similar, with September at 58% and April at 65%. For a more detailed look at April weather, visit Manjil weather in April.

In comparing the weather between September and May, September tends to be slightly warmer, with average temperatures around 20°C (68°F) and maximums reaching up to 40°C (103°F), while May has a cooler average of 18°C (65°F) with a maximum of 37°C (99°F). September also experiences more rainfall, with 85 mm (3.3 in) over 16 days, compared to May's 53 mm (2.1 in) spread across 12 days. Additionally, humidity levels are a bit higher in May at 65%, compared to September's 58%. For a closer look at the weather in May, you can check Manjil weather in May.

In comparing the weather of September and June, we see notable differences in temperature and precipitation. September experiences a broader temperature range, with minimums dipping to 9°C (49°F) and maximums soaring to 40°C (103°F), alongside an average of 20°C (68°F). In contrast, June maintains a milder range, with minimum temperatures at 11°C (52°F) and maximums reaching 38°C (100°F), averaging 22°C (72°F). Rainfall is significantly heavier in September, totaling 85 mm (3.3 in) over 16 rainy days, while June sees just 24 mm (1.0 in) on only 6 days. Additionally, June has a higher humidity level at 65%, compared to September's 58%. For further details on weather patterns, you can check Manjil weather in June.

In comparing the weather between September and July, September generally experiences cooler temperatures, with a minimum of 9°C (49°F) and an average of 20°C (68°F), while July has warmer averages, featuring a minimum of 13°C (55°F) and an average of 24°C (75°F). Both months see maximum temperatures reaching up to 39°C (103°F), but September can peak even higher at 40°C (103°F) on occasion. Additionally, September receives more precipitation, with 85 mm (3.3 in) over 16 days, compared to July's 57 mm (2.2 in) over just 11 days. Humidity levels are slightly lower in July at 61%, compared to September's 58%. For a detailed look at the specific conditions in July, you can visit Manjil weather in July.

In comparing the weather of September to August, September experiences slightly cooler temperatures with a minimum of 9°C (49°F) and an average of 20°C (68°F), compared to August's minimum of 10°C (50°F) and average of 22°C (72°F). While both months can reach high temperatures, September's maximum can peak at 40°C (103°F), surpassing August's high of 37°C (99°F). Additionally, September sees more precipitation with 85 mm (3.3 in) over 16 days, whereas August records 65 mm (2.6 in) across 12 days. Humidity also rises in September to 58%, compared to 49% in August. For a more detailed look at August weather, visit Manjil weather in August.

In September, the weather is characterized by a wide temperature range, with minimums around 9°C (49°F) and highs soaring up to 40°C (103°F), leading to an average of 20°C (68°F). The month experiences about 85 mm (3.3 in) of precipitation over 16 days, and humidity levels are moderate at 58%. In contrast, October brings a significant drop in temperatures, with minimums dropping to 3°C (39°F) and an average temperature of 15°C (60°F), peaking at 29°C (85°F). Precipitation increases slightly to 98 mm (3.9 in) across 15 days, and humidity rises to 73%, indicating a wetter and cooler transition into autumn. For more detailed insights on the climate, you can check Manjil weather in October.

September features a warm climate with average temperatures around 20°C (68°F), peaking at highs of 40°C (103°F), making it quite the contrast to the cooler November temperatures, where the average drops to just 10°C (50°F) and can even reach lows of -3°C (28°F). September experiences significant heat along with 85 mm (3.3 inches) of precipitation over 16 days, while November sees increased rainfall at 113 mm (4.5 inches) across 14 days, accompanied by higher humidity levels of 75%. For a more detailed look at November weather in the region, check out Manjil weather in November.

In September, the weather is characterized by warmer temperatures, with a minimum of 9°C (49°F) and an average of 20°C (68°F), reaching highs of up to 40°C (103°F). This month sees significant precipitation, averaging 85 mm (3.3 in) over 16 days, while humidity levels sit at 58%. In contrast, December brings a stark shift in climate, with much colder conditions featuring a minimum of -10°C (15°F) and an average temperature of 6°C (44°F). Although temperatures only rise to a maximum of 23°C (73°F), precipitation decreases to 66 mm (2.6 in) over just 9 days, and the humidity rises to 72%. This comparison highlights the significant seasonal transition from warmth and rain in September to the cold and drier conditions typical of December. For more details, visit Manjil weather in December.

Compare Manjil's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Manjil

As September arrives in Manjil, the weather begins to shift, offering a refreshing contrast to the sweltering summer months. With temperatures averaging around 20°C (68°F), this month marks a comfortable transition from the heat, where maximum highs can still climb to 40°C (103°F) but are buffered by cooler nights that dip to 9°C (49°F). The increase in precipitation, totaling around 85 mm (3.3 in) over 16 days, introduces a noticeable humidity level of 58%, fostering a more vibrant landscape. This mix of heat and moisture makes September unique, as it paves the way for the lush beauty of fall. For a comprehensive overview of what to expect throughout the year, visit Manjil Climate.