September Weather in Orumiyeh, Iran

Last updated: August 21, 2025

Experience the September weather in Orumiyeh, Iran, where temperatures exhibit a remarkable range: peaking at a maximum of 35°C (96°F), settling at an average of 21°C (70°F), and dipping to a minimum of 7°C (46°F). This month is characterized by minimal precipitation, with only 7 mm (0.3 in) of rainfall occurring over a single day, contributing to a low humidity level of 29%. Such conditions create a striking and varied climate, perfect for those who appreciate warm days and cool nights.

September Temperature in Orumiyeh

In September, Orumiyeh experiences a delightful transition as summer gives way to autumn. With minimum temperatures hovering around 7°C (46°F) and average highs reaching up to 35°C (96°F), the weather remains comfortably warm, ideal for outdoor activities. The average temperature settles at a pleasant 21°C (70°F), making it one of the more enjoyable months of the year. This period marks a gradual cooling trend, hinting at the chillier days to come, as evident from the significant dip in temperatures that follows in October. Overall, September serves as a sweet farewell to the summer heat while welcoming the crispness of fall.

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

The chart illustrates September temperature patterns in Orumiyeh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Orumiyeh, 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).
JanFebMarAprMayJunJulAugSepOctNovDec253040516172787669564334
Data source: Temperature data for Orumiyeh 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 Orumiyeh

In September, Orumiyeh experiences a notable decline in precipitation, with just 7 mm (0.3 in) of rain falling over a mere single day. This marks a continuation of the dry trend observed throughout the summer months, where rainfall remains minimal, with July and August receiving only 6 mm and 8 mm respectively. As the city transitions into autumn, this brief respite from the rain sets the stage for a gradual increase in precipitation in October, where levels rise to 30 mm (1.2 in). Overall, September's scant rainfall highlights the region's seasonal variability, characterized by a summer drought that gives way to wetter conditions as the year progresses.

September Precipitation Trends in Orumiyeh

The chart displays monthly precipitation patterns in Orumiyeh, 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 Orumiyeh, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec425781675210787304142
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Orumiyeh

As summer transitions into autumn, September in Orumiyeh, Iran, marks a slight uptick in humidity, rising to 29% from the summer low of 24% in August. This seasonal shift hints at a gentle reawakening of moisture in the air, preparing for the more humid months ahead. The dramatic decline in humidity from 74% in January to the low of 27% in July illustrates a clear trend of drying through the warmer months. However, September’s modest increase signals the onset of autumn, leading into a gradual rise toward the winter months where humidity will climb back to 45% in October and ultimately peak at 78% in December. This rhythm of changing humidity levels reflects the broader climatic patterns of Orumiyeh as it shifts through the seasons.

September Average Humidity in Orumiyeh

This chart illustrates the average monthly humidity levels in Orumiyeh, 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 Orumiyeh is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%73%71%59%54%39%27%24%29%45%61%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Orumiyeh

As summer wanes in September, the UV Index in Orumiyeh, Iran, remains notably high, reaching 9 and falling into the very high exposure category. With a burn time of just 15 minutes, it's essential for residents and visitors to take precautions against sun damage. This trend of elevated UV levels is consistent from May through September, where extreme conditions were prevalent, especially in the peak months of May, June, and July. Although there's a slight decrease as October approaches, marked by a UV Index of 7, the sun’s intensity still warrants attention. For more detailed insights on UV levels throughout the year, explore Orumiyeh UV Index.

Maximum UV Index Levels in Orumiyeh for September

The chart shows the monthly maximum UV Index (UVI) for Orumiyeh 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 Orumiyeh typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45810131212119743
Data source: Orumiyeh 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 Orumiyeh

As summer gently fades into autumn, September in Orumiyeh showcases a remarkable transition in sunlight hours, offering 348 hours of delightful sunshine. This month reflects a peak summer aura while gracefully descending from the vibrant highs of July, which boasts 415 hours of sunshine, and August's generous 396 hours. The trend highlights a gradual tapering, with September's sunny days still ample enough to bask in warmth, contrasting with the cooler gloom that follows in October, which slips down to 316 hours. This lingering sunshine not only enhances the beauty of Orumiyeh's landscapes but also invites residents and visitors alike to savor the last flavors of summer before the chill sets in.

Monthly Sunshine Duration in Orumiyeh: September Highlighted

The September sunshine duration represents the total number of hours Orumiyeh 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.
JanFebMarAprMayJunJulAugSepOctNovDec217h267h317h348h394h410h415h396h348h316h264h252h
Data source: Orumiyeh September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Orumiyeh During September

As summer transitions into autumn, September in Orumiyeh, Iran, offers an impressive 98% chance of sunny weather, making it one of the sunniest months of the year. This extraordinary likelihood follows a trend of increasing sunshine hours from May onwards, peaking during the hot summer months of June, July, and August. With September’s warm days and abundant sunlight, it marks a glorious time for outdoor activities, lingering in the pleasant weather before the cooler months set in. Compared to winter months, which hover around a mere 53% to 56%, September's forecast is a sunny invitation to enjoy the beauty of the season.

Percentage of Sunny Days in September in Orumiyeh

The chart illustrates the percentage of sunny days in Orumiyeh 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 Orumiyeh experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%66%58%58%67%94%90%88%98%73%55%56%
Data source: Orumiyeh September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Orumiyeh in September

As the vibrant summer days of June, July, and August give way to the gentle embrace of autumn, September in Orumiyeh, Iran, offers a balanced 12 hours of daylight. This transition signifies the gradual retreat of long summer days, with daylight decreasing from a peak of 14 hours in the warmer months to the shorter days of fall. Interestingly, the 12 hours of September daylight sets the stage for a steady decline, leading to the 11 hours of October before dipping to 10 hours in November. This gradual shift not only marks the change in seasons but also highlights the rhythm of life in Orumiyeh, where each month brings a unique blend of light and shadow.

Average Daylight Hours in Orumiyeh for September

The chart illustrates the variation in daylight duration in Orumiyeh throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 47m11h 58m13h 10m14h 11m14h 41m14h 26m13h 32m12h 23m11h 11m10h 8m9h 36m
Data source: Orumiyeh daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Orumiyeh

As September arrives in Orumiyeh, Iran, the average wind speed settles at 2.3 m/s (5 mph), reflecting a subtle decline from the more blustery months of summer. This gentle breeze is a soothing transition from the peak summer winds of 2.6 m/s experienced in both July and August. Notably, the wind speeds in September mirror the consistency seen earlier in the season, demonstrating a balance that characterizes this time of year. Following September, the winds taper off further, with October and November bringing even calmer conditions, staying around 1.8 to 1.7 m/s (4 mph). This gradual decrease hints at the approach of winter, as the vibrant whispers of September winds begin to fade into the stillness of the colder months.

Average September Wind Speed in Orumiyeh

The chart displays monthly wind speed patterns in Orumiyeh, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.62.22.22.52.62.42.3 m/s1.81.71.8
Data source: Orumiyeh September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Orumiyeh Compares to Other Months

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

September and January showcase starkly contrasting weather conditions. In September, temperatures range from a mild 7°C (46°F) at night to a sweltering 35°C (96°F) during the day, with an average of 21°C (70°F) and minimal rainfall of just 7 mm over one day, resulting in low humidity at 29%. In contrast, January brings a harsh winter chill, with temperatures plummeting to a minimum of -20°C (-4°F) and reaching a maximum of 13°C (56°F), averaging -4°C (26°F). This month sees significantly more precipitation at 42 mm over seven days, accompanied by high humidity levels of 74%. For a detailed look at January weather, visit Orumiyeh weather in January.

September and February showcase stark contrasts in weather conditions. In September, temperatures can soar to a maximum of 35°C (96°F) with an average of 21°C (70°F), accompanied by low precipitation of just 7 mm (0.3 in) across only one rainy day and a humidity level of 29%. In comparison, February brings much colder weather with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 15°C (59°F), an average temperature of -1°C (31°F), and significantly higher precipitation, totaling 57 mm (2.2 in) over eight days, coupled with a humidity level of 73%. Such differences highlight the shift from the warmth of late summer to the chill of mid-winter. For more insights, check Orumiyeh weather in February.

September and March showcase strikingly different weather patterns. In September, temperatures range from a minimum of 7°C (46°F) to a maximum of 35°C (96°F), with an average of 21°C (70°F) and very little precipitation, totaling just 7 mm (0.3 in) over only a single day. The humidity level is relatively low at 29%, making it a warm and dry month. In contrast, March experiences much cooler temperatures, with a minimum of -9°C (17°F) and a maximum of 21°C (71°F), averaging around 5°C (41°F). It is also significantly wetter, with 81 mm (3.2 in) of precipitation spread across 11 days and higher humidity at 71%. For more detailed information, check out Orumiyeh weather in March.

The weather in September is characterized by warmer temperatures, with averages around 21°C (70°F) and a maximum reaching up to 35°C (96°F), while April experiences much cooler conditions, with an average of only 10°C (51°F) and lows dipping to -6°C (21°F). In terms of precipitation, September is quite dry, receiving only 7 mm (0.3 in) over just one day, compared to April's significantly wetter climate, which sees 67 mm (2.6 in) spread across approximately 10 days. Humidity levels also reflect this contrast, as September boasts a relatively low humidity of 29%, whereas April's humidity rises to 59%. For a closer look at April's weather conditions, you can visit Orumiyeh weather in April.

In comparing the weather of September and May, September offers warmer temperatures, with a minimum of 7°C and an average high of 35°C, presenting a stark contrast to May's more temperate range of 5°C to 30°C. While September enjoys relatively low precipitation at only 7 mm over just one day, May sees significantly more rainfall, totaling 52 mm across eight days, resulting in higher humidity levels of 54% compared to September's dry 29%. For more details about the specific weather conditions in May, you can check Orumiyeh weather in May.

In comparing the weather conditions of September and June, we notice that both months experience relatively warm temperatures, with September averaging 21°C (70°F) and June slightly warmer at 22°C (72°F). The maximum temperatures are comparable, reaching up to 35°C (96°F) in September and 36°C (98°F) in June. However, September tends to be slightly drier, receiving only 7 mm (0.3 in) of precipitation over about one day, while June has a bit more rain at 10 mm (0.4 in) across two days. Additionally, September has lower humidity at 29%, compared to June's 39%, providing a slightly more comfortable atmosphere. For a detailed look at June's weather, you can visit Orumiyeh weather in June.

In comparing the weather conditions of September and July, we see notable differences in temperature and humidity. September experiences a wider range of temperatures, with a minimum of 7°C (46°F) and a maximum of 35°C (96°F), while July boasts a warmer average temperature range, with low temperatures starting at 13°C (56°F) and peaking at 38°C (100°F). Despite July's higher temperatures, both months have similar precipitation levels, averaging just 6 mm (0.3 in) and occurring on a single day. Interestingly, September also enjoys a bit more comfort with lower humidity at 29%, compared to July's 27%. For more detailed insights, you can check out Orumiyeh weather in July.

In September, the weather shows a notable shift compared to August. The minimum temperature drops to 7°C (46°F), while the average temperature cools to 21°C (70°F) from August's 24°C (76°F). Although the maximum temperature in September remains relatively high at 35°C (96°F), it is slightly lower than August's peak of 36°C (98°F). Both months experience minimal precipitation with just 7 mm (0.3 in) in September, similar to August's 8 mm (0.3 in), each recorded on a single day. Humidity levels also differ slightly, with September at 29% and August at a lower 24%. For more detailed information on weather patterns specific to August, you can visit Orumiyeh weather in August.

September typically brings warmer weather, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 35°C (96°F) and an average of 21°C (70°F). During this month, rainfall is minimal, averaging just 7 mm (0.3 in) over only 1 day, paired with a low humidity of 29%. In contrast, October experiences a noticeable drop in temperatures, with a minimum of 1°C (34°F), an average of 13°C (57°F), and a maximum of 28°C (82°F). This month also sees an increase in precipitation to 30 mm (1.2 in) over 4 days, along with higher humidity levels of 45%. For more detailed insights on October's climate, visit Orumiyeh weather in October.

September and November exhibit stark contrasts in weather. September boasts warm temperatures, with average highs reaching up to 35°C (96°F) and low humidity at 29%, making it a generally dry month with only about 7 mm of precipitation over just one day. In contrast, November presents a cooler climate: the average temperature drops significantly to 6°C (43°F), with nighttime lows plunging to -8°C (18°F). Additionally, November experiences increased precipitation, totaling 41 mm (1.6 in) spread across seven days, contributing to a higher humidity level of 61%. For more detailed insights, refer to Orumiyeh weather in November.

The weather in September is characterized by warm temperatures, ranging from a pleasant minimum of 7°C (46°F) to a maximum of 35°C (96°F), with an average around 21°C (70°F). Precipitation is minimal, with only 7 mm (0.3 in) recorded over just one day, and humidity levels are relatively low at 29%. In contrast, December brings a stark transformation, as temperatures drop significantly, with a minimum of -14°C (7°F) and an average of just 1°C (34°F), peaking at 16°C (62°F). This colder month sees much higher precipitation, totaling 42 mm (1.6 in) over eight days, and a substantial increase in humidity to 78%. For more detailed insights into December’s weather, you can refer to Orumiyeh weather in December.

Compare Orumiyeh's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Orumiyeh

As September arrives in Orumiyeh, the weather showcases a significant transition from the sizzling summer months to a more temperate climate. With maximum temperatures reaching a warm 35°C and cooler evenings dropping to a refreshing 7°C, this month offers a delightful blend of heat and comfort. The relatively low humidity at 29% and mere 7 mm of precipitation over just a single day highlight September as a drier period, setting it apart from the wetter months of the year. This unique balance of warmth and reduced humidity makes September an ideal time for outdoor activities and exploration. For a deeper dive into what weather patterns you can expect throughout the year, visit Orumiyeh Climate.