September Weather in Altha, United States

Last updated: June 24, 2025

In September, the average temperature in Altha, United States hovers around 26°C (79°F). Expect a range where the minimum dips to 13°C (56°F) and the maximum soars to 38°C (100°F). With an average humidity of 79%, you'll feel the warmth! Be prepared for some rain, as precipitation averages 158 mm (6.2 in) over 15 days this month, making it the perfect time to enjoy the lush landscapes.

September Temperature in Altha

In September in Altha, the average temperature is 26°C (79°F). Maximums can reach 38°C (100°F) and minimums can be as low as 13°C (56°F). This variation means travelers should be prepared for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Altha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altha, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Altha

In Altha in September, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

September Precipitation Trends in Altha

The chart displays monthly precipitation patterns in Altha, 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 Altha, September typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 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 Altha

In Altha in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Altha

This chart illustrates the average monthly humidity levels in Altha, 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 Altha is approximately 79%, 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 Altha

In Altha in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Altha.

Maximum UV Index Levels in Altha for September

The chart shows the monthly maximum UV Index (UVI) for Altha 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 Altha typically reaches 10, which falls under the very high exposure category.

Data source: Altha 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 Altha Compares to Other Months

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

This table compares monthly weather conditions in Altha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	88 mm (3.5 inches)	83%	moderate
February Weather	15°C (60°F)	127 mm (5.0 inches)	82%	very high
March Weather	17°C (63°F)	57 mm (2.3 inches)	79%	very high
April Weather	20°C (68°F)	116 mm (4.6 inches)	77%	very high
May Weather	24°C (75°F)	109 mm (4.3 inches)	74%	extreme
June Weather	26°C (80°F)	183 mm (7.2 inches)	70%	extreme
July Weather	27°C (81°F)	178 mm (7.0 inches)	78%	extreme
August Weather	27°C (81°F)	204 mm (8.0 inches)	78%	extreme
September Weather	26°C (79°F)	158 mm (6.2 inches)	79%	very high
October Weather	23°C (73°F)	95 mm (3.7 inches)	74%	very high
November Weather	16°C (60°F)	47 mm (1.9 inches)	83%	high
December Weather	13°C (56°F)	131 mm (5.2 inches)	86%	moderate