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September Weather in Katihar, India

Last updated: August 23, 2025

In September, the average temperature in Katihar, India hovers around 29°C (85°F). Expect minimums of 24°C (75°F) and maximums reaching up to 36°C (98°F). With a significant precipitation amount of 262 mm (10.3 in) spread over 25 days, the weather tends to be quite humid, with an average humidity level of around 90%.

September Temperature in Katihar

In September in Katihar, the average temperature is 29°C (85°F). Maximums can reach 36°C (98°F), and minimums can be as low as 24°C (75°F). This warm climate makes it an ideal time for travelers to enjoy outdoor activities and explore the region.

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

The chart illustrates September temperature patterns in Katihar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Katihar, September typically has an average temperature of 29°C (85°F), with highs reaching up to 36°C (98°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec616777828486858685827365
Data source: Temperature data for Katihar 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 Katihar

In Katihar in September, the precipitation amount is 262 mm (10.3 in) occurring over the course of 25 days.

September Precipitation Trends in Katihar

The chart displays monthly precipitation patterns in Katihar, 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 Katihar, September typically receives around 262 mm (10.3 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec327166314824633930026213418
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Katihar

In Katihar in September humidity is 90%. With an average temperature of 29°C (85°F), this humidity feels like a heavy blanket enveloping you, making every step feel like a chore and turning even the simplest outdoor activities into a sweaty ordeal.

September Average Humidity in Katihar

This chart illustrates the average monthly humidity levels in Katihar, 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 Katihar is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%59%45%29%51%77%91%90%90%90%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Katihar

In Katihar 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 Katihar.

Maximum UV Index Levels in Katihar for September

The chart shows the monthly maximum UV Index (UVI) for Katihar 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 Katihar typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011131212975
Data source: Katihar 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 Katihar Compares to Other Months

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

This table compares monthly weather conditions in Katihar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (62°F)3 mm (0.1 inches)72%moderate
February Weather20°C (67°F)27 mm (1.1 inches)59%high
March Weather25°C (77°F)16 mm (0.6 inches)45%very high
April Weather28°C (82°F)63 mm (2.5 inches)29%very high
May Weather29°C (84°F)148 mm (5.8 inches)51%very high
June Weather30°C (86°F)246 mm (9.7 inches)76%extreme
July Weather30°C (86°F)339 mm (13.3 inches)91%extreme
August Weather30°C (86°F)300 mm (11.8 inches)90%extreme
September Weather29°C (85°F)262 mm (10.3 inches)90%extreme
October Weather28°C (82°F)134 mm (5.3 inches)90%very high
November Weather23°C (73°F)1 mm (0.0 inches)88%high
December Weather18°C (65°F)8 mm (0.3 inches)87%moderate

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