September Weather in Bettiah, India

Last updated: August 23, 2025

In Bettiah, India, the average temperature in September reaches a warm 29°C (85°F), with a minimum of 23°C (73°F) and a maximum soaring to 37°C (99°F). Expect significant precipitation, averaging 300 mm (11.8 in) over approximately 24 days, and a high humidity level of 91% that can make the air feel quite muggy. Plan accordingly!

September Temperature in Bettiah

In September in Bettiah, the average temperature is 29°C (85°F). Maximum can reach 37°C (99°F) and minimum can be as low as 23°C (73°F). This warm weather makes it an ideal time for travelers seeking sunshine and outdoor adventures.

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

The chart illustrates September temperature patterns in Bettiah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bettiah, September typically has an average temperature of 29°C (85°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for Bettiah generated using information from the Copernicus Climate Change Service.

September Precipitation in Bettiah

In Bettiah in September, the precipitation amount is 300 mm (11.8 in) distributed over a span of 24 days.

September Precipitation Trends in Bettiah

The chart displays monthly precipitation patterns in Bettiah, 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 Bettiah, September typically receives around 300 mm (11.8 inches) of precipitation spread over approximately 24 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Bettiah

In Bettiah in September humidity is 91%. With an average temperature of 29°C (85°F), this humidity feels like stepping into a warm, heavy blanket, making travel uncomfortable and leaving you drenched in sweat within moments of stepping outside.

September Average Humidity in Bettiah

This chart illustrates the average monthly humidity levels in Bettiah, 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 Bettiah is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bettiah

In Bettiah in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Bettiah.

Maximum UV Index Levels in Bettiah for September

The chart shows the monthly maximum UV Index (UVI) for Bettiah 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 Bettiah typically reaches 11, which falls under the extreme exposure category.

Data source: Bettiah 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 Bettiah Compares to Other Months

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

This table compares monthly weather conditions in Bettiah, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	11 mm (0.4 inches)	65%	moderate
February Weather	19°C (66°F)	18 mm (0.7 inches)	55%	high
March Weather	25°C (77°F)	13 mm (0.5 inches)	39%	very high
April Weather	30°C (86°F)	30 mm (1.2 inches)	24%	very high
May Weather	31°C (87°F)	109 mm (4.3 inches)	36%	very high
June Weather	31°C (88°F)	225 mm (8.9 inches)	65%	very high
July Weather	30°C (86°F)	483 mm (19.0 inches)	90%	extreme
August Weather	30°C (86°F)	354 mm (13.9 inches)	91%	extreme
September Weather	29°C (85°F)	300 mm (11.8 inches)	91%	extreme
October Weather	27°C (81°F)	51 mm (2.0 inches)	86%	very high
November Weather	22°C (72°F)	1 mm (0.0 inches)	79%	high
December Weather	17°C (63°F)	17 mm (0.7 inches)	75%	moderate