September Weather in Achham, Nepal

Last updated: August 31, 2025

In September, the average temperature in Achham, Nepal hovers around 24°C (75°F), with a minimum of 16°C (62°F) and a maximum reaching 31°C (88°F). Expect 166 mm (6.5 in) of precipitation spread over 25 days, resulting in a humid ambiance with an average humidity level of 84%. Prepare for a decidedly warm and damp weather experience!

September Temperature in Achham

In September in Achham, the average temperature is 24°C (75°F). Maximum can reach 31°C (88°F) and minimum can be as low as 16°C (62°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Achham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Achham, September typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (88°F) and lows dropping to around 16°C (62°F).

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

September Precipitation in Achham

In Achham in September, the precipitation amount is 166 mm (6.5 in) spread over 25 days.

September Precipitation Trends in Achham

The chart displays monthly precipitation patterns in Achham, 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 Achham, September typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 25 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 Achham

In Achham in September humidity is 84%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it essential for travelers to stay hydrated and plan outdoor activities for early mornings or late afternoons when the heat is more bearable.

September Average Humidity in Achham

This chart illustrates the average monthly humidity levels in Achham, 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 Achham is approximately 84%, 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 Achham

In Achham 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 Achham.

Maximum UV Index Levels in Achham for September

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

Data source: Achham 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 Achham Compares to Other Months

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

This table compares monthly weather conditions in Achham, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	48 mm (1.9 inches)	56%	high
February Weather	13°C (56°F)	40 mm (1.6 inches)	55%	high
March Weather	18°C (64°F)	38 mm (1.5 inches)	41%	very high
April Weather	22°C (72°F)	41 mm (1.6 inches)	35%	extreme
May Weather	24°C (75°F)	80 mm (3.2 inches)	38%	extreme
June Weather	25°C (77°F)	263 mm (10.3 inches)	47%	extreme
July Weather	25°C (77°F)	520 mm (20.5 inches)	80%	extreme
August Weather	25°C (77°F)	455 mm (17.9 inches)	89%	extreme
September Weather	24°C (75°F)	166 mm (6.5 inches)	84%	extreme
October Weather	21°C (70°F)	73 mm (2.9 inches)	64%	very high
November Weather	16°C (61°F)	8 mm (0.3 inches)	53%	high
December Weather	12°C (53°F)	23 mm (0.9 inches)	53%	moderate