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September Weather in Itahari, Nepal

Last updated: August 31, 2025

In September, the average temperature in Itahari, Nepal hovers around 27°C (81°F), with minimums dipping to 21°C (70°F) and peaking at 34°C (94°F). This month sees 264 mm (10.4 in) of precipitation spread over 26 days, contributing to an average humidity of an impressive 92%. Be prepared for a warm and wet experience!

September Temperature in Itahari

In September, in Itahari, the average temperature is 27°C (81°F). Maximums can reach 34°C (94°F), while minimums can drop to 21°C (70°F). This warm climate makes Itahari an ideal destination for travelers seeking pleasant weather and outdoor adventures.

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

The chart illustrates September temperature patterns in Itahari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itahari, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec586372777982818280766861
Data source: Temperature data for Itahari 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 Itahari

In Itahari in September, the total precipitation amount is 264 mm (10.4 in) spread over 26 days, indicating a consistently rainy period.

September Precipitation Trends in Itahari

The chart displays monthly precipitation patterns in Itahari, 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 Itahari, September typically receives around 264 mm (10.4 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec71525781423115354022648317
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Itahari

In Itahari in September, humidity is 92%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, thick blanket, making travel exhausting and sticky, as the air is laden with moisture that clings to your skin and makes even short excursions feel like a workout.

September Average Humidity in Itahari

This chart illustrates the average monthly humidity levels in Itahari, 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 Itahari is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%53%32%25%46%77%92%92%92%87%76%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Itahari

In Itahari in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Itahari.

Maximum UV Index Levels in Itahari for September

The chart shows the monthly maximum UV Index (UVI) for Itahari 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 Itahari typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101112141312975
Data source: Itahari 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 Itahari Compares to Other Months

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

This table compares monthly weather conditions in Itahari, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)7 mm (0.3 inches)58%moderate
February Weather17°C (63°F)15 mm (0.6 inches)53%high
March Weather22°C (72°F)25 mm (1.0 inches)32%very high
April Weather25°C (77°F)78 mm (3.1 inches)25%very high
May Weather26°C (80°F)142 mm (5.6 inches)46%extreme
June Weather28°C (82°F)311 mm (12.2 inches)77%extreme
July Weather27°C (81°F)535 mm (21.1 inches)92%extreme
August Weather28°C (82°F)402 mm (15.8 inches)92%extreme
September Weather27°C (81°F)264 mm (10.4 inches)92%extreme
October Weather25°C (77°F)83 mm (3.3 inches)87%very high
November Weather20°C (68°F)1 mm (0.0 inches)76%high
December Weather16°C (61°F)7 mm (0.3 inches)71%moderate

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