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September Weather in Chalus, Iran

Last updated: August 23, 2025

In September, the average temperature in Chalus, Iran hovers around 24°C (76°F). Expect a comfortable range where lows can dip to 17°C (63°F) while highs can reach up to 34°C (93°F). Precipitation is notable, with an average of 119 mm (4.7 in) falling over 15 days. Additionally, humidity levels sit at a tropical 72%, creating a warm and somewhat muggy atmosphere.

September Temperature in Chalus

In September in Chalus, the average temperature is a pleasant 24°C (76°F). Maximum temperatures can reach as high as 34°C (93°F), while minimums can drop to a cool 17°C (63°F). This makes Chalus an ideal destination for travelers seeking warm weather with comfortable evenings.

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

The chart illustrates September temperature patterns in Chalus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalus, September typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (93°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec515053586776807975686055
Data source: Temperature data for Chalus 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 Chalus

In Chalus in September, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

September Precipitation Trends in Chalus

The chart displays monthly precipitation patterns in Chalus, 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 Chalus, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec121137958949278859119225247148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Chalus

In Chalus in September humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

September Average Humidity in Chalus

This chart illustrates the average monthly humidity levels in Chalus, 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 Chalus is approximately 72%, 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 Chalus

In Chalus in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Chalus.

Maximum UV Index Levels in Chalus for September

The chart shows the monthly maximum UV Index (UVI) for Chalus 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 Chalus typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347811101098643
Data source: Chalus 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.

How September Weather in Chalus Compares to Other Months

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

This table compares monthly weather conditions in Chalus, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)121 mm (4.7 inches)75%moderate
February Weather10°C (51°F)137 mm (5.4 inches)77%moderate
March Weather12°C (53°F)95 mm (3.7 inches)77%high
April Weather14°C (58°F)89 mm (3.5 inches)75%very high
May Weather20°C (68°F)49 mm (1.9 inches)77%extreme
June Weather24°C (76°F)27 mm (1.1 inches)77%very high
July Weather27°C (80°F)88 mm (3.5 inches)76%very high
August Weather26°C (80°F)59 mm (2.3 inches)68%very high
September Weather24°C (76°F)119 mm (4.7 inches)72%very high
October Weather20°C (68°F)225 mm (8.9 inches)78%high
November Weather15°C (60°F)247 mm (9.7 inches)79%moderate
December Weather13°C (56°F)148 mm (5.8 inches)73%moderate

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