September Weather in Keiser, United States

Last updated: June 24, 2025

In September, the average temperature in Keiser, United States hovers around 24°C (76°F). Temperatures can vary significantly, dipping as low as 10°C (50°F) and soaring up to 35°C (95°F). Expect about 91 mm (3.6 in) of precipitation spread over 7 days, and a comfortable average humidity of 71%.

September Temperature in Keiser

In September in Keiser, the average temperature is 24°C (76°F). The maximum can reach 35°C (95°F), while the minimum can be as low as 10°C (50°F). Be prepared for warm days and cooler nights when traveling during this time.

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

The chart illustrates September temperature patterns in Keiser, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keiser, September typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Keiser

In Keiser in September, the precipitation amount is 91 mm (3.6 in) over a span of 7 days.

September Precipitation Trends in Keiser

The chart displays monthly precipitation patterns in Keiser, 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 Keiser, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 7 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 Keiser

In Keiser in September humidity is 71%. With an average temperature of 24°C (76°F), this humidity feels like a warm, tropical embrace, making it essential to stay hydrated while exploring, as the air is thick and can leave you feeling sticky and slightly tired after even short excursions.

September Average Humidity in Keiser

This chart illustrates the average monthly humidity levels in Keiser, 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 Keiser is approximately 71%, 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 Keiser

In Keiser in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Keiser.

Maximum UV Index Levels in Keiser for September

The chart shows the monthly maximum UV Index (UVI) for Keiser 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 Keiser typically reaches 9, which falls under the very high exposure category.

Data source: Keiser 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 Keiser Compares to Other Months

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

This table compares monthly weather conditions in Keiser, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	103 mm (4.1 inches)	84%	moderate
February Weather	7°C (44°F)	174 mm (6.8 inches)	83%	high
March Weather	12°C (54°F)	173 mm (6.8 inches)	81%	high
April Weather	16°C (60°F)	127 mm (5.0 inches)	81%	very high
May Weather	22°C (72°F)	112 mm (4.4 inches)	83%	very high
June Weather	26°C (79°F)	101 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	95 mm (3.8 inches)	81%	extreme
August Weather	26°C (80°F)	109 mm (4.3 inches)	74%	very high
September Weather	24°C (76°F)	91 mm (3.6 inches)	71%	very high
October Weather	18°C (64°F)	118 mm (4.7 inches)	76%	high
November Weather	10°C (50°F)	83 mm (3.3 inches)	84%	moderate
December Weather	8°C (46°F)	124 mm (4.9 inches)	88%	moderate