September Weather in Nowshahr, Iran

Last updated: August 21, 2025

September in Nowshahr, Iran offers a warm welcome as temperatures soar with a maximum of 34°C (93°F) and an average of 24°C (76°F). As the month unfolds, minimum temperatures dip to a comfortable 17°C (63°F), presenting a mild climate for outdoor activities. However, residents and visitors should prepare for moisture-laden days, as humidity levels hover around 72%, contributing to a lush atmosphere. The region experiences frequent rainfall, with 15 days showcasing a total of 119 mm (4.7 in) of precipitation, painting a picturesque backdrop of vibrant greenery. Whether for a leisurely retreat or an adventurous excursion, September's climate in Nowshahr encapsulates the beauty and diversity of Iran's coastal weather.

September Temperature in Nowshahr

September in Nowshahr, Iran, marks a transition into warmth, with temperatures displaying a delightful mix of summer's lingering heat and the approaching coolness of autumn. The month starts out with a minimum temperature of 17°C (63°F), while average highs reach around 34°C (93°F), creating a vibrant atmosphere perfect for outdoor activities. As temperatures evolve through the month, the average settles at 24°C (76°F), offering a comfortable warmth ideal for exploring the region's stunning natural beauty. This trend of rising temperatures from August into September highlights the gradual shift in climate, making it a splendid time for visitors to soak in the remaining summer vibes before the cooler months set in.

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

The chart illustrates September temperature patterns in Nowshahr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nowshahr, 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).
JanFebMarAprMayJunJulAugSepOctNovDec515053586776807975686055
Data source: Temperature data for Nowshahr 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 Nowshahr

September in Nowshahr, Iran, marks a notable shift in precipitation patterns, as the region experiences a substantial 119 mm (4.7 in) of rainfall over 15 days. This increase is part of the gradual transition from the drier summer months, where June and May see only 27 mm (1.1 in) and 49 mm (1.9 in), respectively. The uptick in rainfall sets the stage for the more pronounced precipitation that follows in October and November, which are the wettest months of the year, with 225 mm (8.9 in) and 247 mm (9.7 in) of rain. This trend highlights September as a vital period for replenishing the region's moisture levels, fostering the lush greenery characteristic of the coming fall season.

September Precipitation Trends in Nowshahr

The chart displays monthly precipitation patterns in Nowshahr, 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 Nowshahr, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec121137958949278859119225247148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nowshahr

In Nowshahr, Iran, September marks a transition in humidity levels, with the average humidity dipping to 72% after the summer months. This decrease from August's 68% serves as a gentle reprieve before the humidity begins to rise again in October, reaching 78%. Throughout the year, Nowshahr experiences relatively high humidity levels, consistently hovering around the 75-77% range from January through June. Notably, November and December see a slight increase, pushing humidity levels to a peak of 79% by late autumn. Overall, September's moderate conditions hint at the shifting patterns of moisture that define the region's climate, blending summer's warmth with the cooler, more humid months ahead.

September Average Humidity in Nowshahr

This chart illustrates the average monthly humidity levels in Nowshahr, 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 Nowshahr is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%77%77%75%77%77%76%68%72%78%79%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nowshahr

In September, Nowshahr, Iran, experiences a very high UV Index of 8, indicating that sun safety is essential during this time, with a burn time of just 15 minutes. This marks a slight decline from the extreme levels seen in the peak summer months of May and June, which recorded indexes of 11 and 10, respectively. Overall, the warm months from March to September showcase a rising trend in UV exposure, with indices often pushing into the high and very high categories. As we transition into autumn, it's important to remain vigilant about sun protection as UV levels remain significant. For more detailed information about UV exposure in the region, visit the Nowshahr UV Index.

Maximum UV Index Levels in Nowshahr for September

The chart shows the monthly maximum UV Index (UVI) for Nowshahr 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 Nowshahr typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347811101098643
Data source: Nowshahr 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 Nowshahr

As summer gently transitions into autumn, September in Nowshahr, Iran offers a delightful blend of warm sunshine and cooler breezes, with 316 hours of glorious sunlight illuminating the month. Following the sun-drenched peak of July and August, where the city basked in 365 and 353 hours respectively, September marks a gradual decline in daylight yet remains significantly brighter than the winter months ahead. This beautiful shift not only highlights the waning summer but also sets the stage for the crisp, sunny days of October, which brings 284 hours of sunshine. Overall, the month of September presents a picturesque balance, inviting residents and visitors alike to embrace the last rays of summer before the onset of the cooler season.

Monthly Sunshine Duration in Nowshahr: September Highlighted

The September sunshine duration represents the total number of hours Nowshahr 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.
JanFebMarAprMayJunJulAugSepOctNovDec203h242h302h308h365h381h365h353h316h284h232h248h
Data source: Nowshahr September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nowshahr During September

In Nowshahr, Iran, the likelihood of sunny weather in September stands at 57%, reflecting a favorable transition from the summer months. As the season shifts, September retains a solid chance of sunshine, which is slightly lower than the peak seen in June and August. However, it surpasses the sunnier days of earlier spring months, showing a clear trend toward clearer skies compared to the year’s first half. This situates September as an appealing time for outdoor activities, as the lingering warmth of summer mingles with the promise of autumn, making it an ideal month to enjoy the vibrant natural beauty of the region.

Percentage of Sunny Days in September in Nowshahr

The chart illustrates the percentage of sunny days in Nowshahr 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 Nowshahr experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%45%32%47%43%69%54%64%57%51%44%55%
Data source: Nowshahr September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nowshahr in September

As September arrives in Nowshahr, Iran, the days begin to subtly shorten, transitioning from summer's abundant light towards the cooler months. With 12 hours of daylight, September marks a gentle decline from the peak of 14 hours enjoyed during the summer months of June, July, and August. This gradual loss of light indicates the onset of autumn, as daylight dips to 11 hours in October. The trend observed throughout the year reveals a clear rhythm: longer days in the spring and summer months, transitioning to shorter days during the fall and winter. By embracing this natural ebb and flow, the people of Nowshahr can appreciate the vibrant changes each season brings.

Average Daylight Hours in Nowshahr for September

The chart illustrates the variation in daylight duration in Nowshahr throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 57m10h 50m11h 58m13h 8m14h 7m14h 36m14h 21m13h 29m12h 22m11h 12m10h 12m9h 41m
Data source: Nowshahr daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nowshahr

As September unfolds in Nowshahr, Iran, the winds begin to pick up, with an average speed of 3.0 m/s (7 mph), marking a slight increase compared to the summer months. This gentle yet refreshing breeze contrasts sharply with the calmer days of June and August, where winds only reached 2.3 m/s (5 mph) and 2.2 m/s (5 mph), respectively. September's winds lay the groundwork for a transition into the milder autumn months, where October follows closely behind with a similar average of 3.1 m/s (7 mph). It's clear that as the summer heat dissipates, the winds in Nowshahr begin to invigorate the landscape, signaling a shift in the season that is both refreshing and revitalizing.

Average September Wind Speed in Nowshahr

The chart displays monthly wind speed patterns in Nowshahr, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.13.32.62.62.32.72.23.0 m/s3.12.82.7
Data source: Nowshahr September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nowshahr Compares to Other Months

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

September weather features warmer temperatures, with a minimum of 17°C (63°F) and an average of 24°C (76°F), peaking at 34°C (93°F), creating a humid atmosphere with 72% humidity. This month experiences a significant amount of rainfall, totaling 119 mm (4.7 in) over around 15 days. In contrast, January is much cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F), and an average of just 11°C (52°F). Despite a similar level of precipitation at 121 mm (4.7 in), January sees slightly fewer rainy days, with rain falling on about 12 days. Humidity is slightly higher in January at 75%. For more detailed information on January weather, you can visit Nowshahr weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), with an average of 24°C (76°F). The month is relatively humid at 72% and experiences 119 mm (4.7 in) of rainfall over 15 days. In stark contrast, February sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (70°F), averaging only 10°C (51°F). Despite being the winter month, February records slightly higher precipitation at 137 mm (5.4 in) over 13 days, along with increased humidity at 77%. For more detailed insights about the weather in February, visit Nowshahr weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), with an average temperature of 24°C (76°F). The month experiences significant precipitation, totaling 119 mm (4.7 in) over about 15 days, coupled with a humidity level of 72%. In contrast, March offers much cooler conditions, with temperatures peaking at a maximum of 25°C (78°F) and dipping to a minimum of 3°C (39°F), resulting in an average temperature of just 12°C (53°F). Although March sees slightly less rainfall at 95 mm (3.7 in) over 14 days, humidity is notably higher at 77%. For a detailed look at the weather during March, visit Nowshahr weather in March.

When comparing the weather in September and April, notable differences in temperature and precipitation emerge. September boasts a warmer climate, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), while April's temperatures are significantly cooler, averaging between 7°C (45°F) and 27°C (80°F). In terms of precipitation, September experiences higher rainfall, with 119 mm (4.7 in) over 15 days compared to April's 89 mm (3.5 in) across 13 days. Additionally, humidity levels are slightly elevated in September at 72%, compared to 75% in April, contributing to a more humid feeling during the earlier spring month. For more specific details, you can check Nowshahr weather in April.

In comparing the weather between September and May, September tends to be warmer overall, with average temperatures reaching 24°C (76°F) and maximums peaking at 34°C (93°F), while May's averages drop to 20°C (68°F) with a maximum of 31°C (87°F). Additionally, September exhibits a higher level of precipitation, with 119 mm (4.7 in) falling over 15 days, compared to May's 49 mm (1.9 in) across just 9 days. Humidity levels are slightly lower in September at 72%, whereas May has a higher humidity level of 77%. For more details on specific weather patterns, you can check out Nowshahr weather in May.

In comparing the weather between September and June, we see some notable differences. Both months have a minimum temperature of around 17°C (63°F), with June experiencing a slightly lower maximum temperature of 32°C (89°F) compared to September's high of 34°C (93°F). September, however, tends to be wetter, with 119 mm (4.7 in) of precipitation over 15 days, while June sees only 27 mm (1.1 in) across just 6 days of rain. Additionally, humidity levels are fairly close, with September at 72% and June slightly higher at 77%. For more detailed information about June weather in Nowshahr, you can visit Nowshahr weather in June.

In comparing the weather between September and July, we can observe some notable differences. September experiences a slightly wider temperature range, with minimums at 17°C (63°F) and maximums climbing to 34°C (93°F), averaging 24°C (76°F). This contrasts with July, which maintains a warmer profile with minimum temperatures of 21°C (69°F) and a peak of 32°C (90°F), averaging 27°C (80°F). Additionally, September receives more precipitation, totaling 119 mm (4.7 in) over 15 days, compared to July's 88 mm (3.5 in) over 13 days. Humidity levels are also slightly elevated in September at 72%, compared to 76% in July. For a more detailed look at July weather patterns, you can check Nowshahr weather in July.

September weather tends to be slightly cooler compared to August, featuring a minimum temperature of 17°C (63°F) and an average of 24°C (76°F), whereas August has a minimum of 19°C (67°F) and an average of 26°C (80°F). Despite the drop in temperature, September experiences increased precipitation, totaling 119 mm (4.7 in) over 15 days, compared to just 59 mm (2.3 in) over 12 days in August. Additionally, humidity is marginally higher in September at 72%, compared to 68% in August. For more insights into August weather, you can check Nowshahr weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a mild 17°C (63°F) to a warm high of 34°C (93°F), with an average temperature of 24°C (76°F). Precipitation during this month amounts to 119 mm (4.7 in) over 15 days, combined with a humidity level of 72%. In contrast, October sees cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 31°C (87°F), averaging 20°C (68°F). The month is notably wetter, with rainfall increasing to 225 mm (8.9 in) over the same number of days, alongside a slight uptick in humidity to 78%. For more details, you can check Nowshahr weather in October.

In comparing the weather between September and November, we see a distinct shift in temperature and precipitation patterns. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 24°C (76°F), peaking at 34°C (93°F), while November cools down significantly, featuring a minimum of 8°C (47°F) and an average of 15°C (60°F), with a maximum of 28°C (83°F). Precipitation also increases during November, accumulating to 247 mm (9.7 in) over 17 days compared to September's 119 mm (4.7 in) over 15 days. Additionally, the humidity rises slightly from 72% in September to 79% in November, making the air feel more damp as the fall season deepens. For more details on the specific weather conditions during this month, check out Nowshahr weather in November.

September and December present striking contrasts in weather. In September, temperatures typically range from a minimum of 17°C (63°F) to a maximum of 34°C (93°F), with an average of around 24°C (76°F). The month sees considerable moisture with 119 mm (4.7 in) of rain spread over 15 days and a humidity level of 72%. In contrast, December experiences significantly cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 23°C (74°F), averaging just 13°C (56°F). Precipitation increases slightly to 148 mm (5.8 in) over 16 days, while humidity remains quite steady at 73%. For more detailed insights, check out Nowshahr weather in December.

Compare Nowshahr's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nowshahr

As September rolls in, Nowshahr experiences a noticeable shift in weather patterns, marking the transition from the warmer summer months. With temperatures averaging a comfortable 24°C (76°F) and maximums reaching 34°C (93°F), the air feels less stifling, inviting residents and visitors alike to enjoy the outdoors. This month also sees an uptick in rainfall; with 119 mm spread over about half the days, the landscape transforms into a lush, vibrant scene. Coupled with humidity levels around 72%, September’s weather in Nowshahr brings a refreshing change, contrasting sharply with the sweltering heat of July and August. For a detailed overview of what to expect throughout the year, visit Nowshahr Climate.