September Weather in Delano, United States

Last updated: June 24, 2025

In September, the average temperature in Delano, United States is a warm 27°C (81°F). Temperatures can range from a cool 12°C (53°F) to a scorching 43°C (109°F). Expect little to no rain with a precipitation amount of just 1 mm (0.0 in) over 0 days, and enjoy a comfortable average humidity of 48%.

September Temperature in Delano

In September in Delano, the average temperature is 27°C (81°F), with maximums reaching up to 43°C (109°F) and minimums dropping as low as 12°C (53°F). Be prepared for a warm climate with potential heatwaves, making it essential to pack lightweight clothing and stay hydrated while exploring.

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

The chart illustrates September temperature patterns in Delano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delano, September typically has an average temperature of 27°C (81°F), with highs reaching up to 43°C (109°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Delano

In Delano in September, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

September Precipitation Trends in Delano

The chart displays monthly precipitation patterns in Delano, 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 Delano, September typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 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 Delano

In Delano in September, humidity is 48%. With an average temperature of 27°C (81°F), this humidity feels like a pleasant warmth that envelops you, making it comfortable for traveling while also inviting you to explore the sights without feeling overwhelmed.

September Average Humidity in Delano

This chart illustrates the average monthly humidity levels in Delano, 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 Delano is approximately 48%, 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 Delano

In Delano 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 Delano.

Maximum UV Index Levels in Delano for September

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

Data source: Delano 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 Delano Compares to Other Months

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

This table compares monthly weather conditions in Delano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	48 mm (1.9 inches)	78%	moderate
February Weather	12°C (54°F)	52 mm (2.0 inches)	82%	moderate
March Weather	15°C (58°F)	62 mm (2.5 inches)	75%	very high
April Weather	19°C (66°F)	25 mm (1.0 inches)	68%	very high
May Weather	22°C (73°F)	18 mm (0.7 inches)	57%	very high
June Weather	28°C (82°F)	1 mm (0.0 inches)	52%	extreme
July Weather	31°C (89°F)	0 mm (0.0 inches)	46%	extreme
August Weather	31°C (88°F)	0 mm (0.0 inches)	39%	extreme
September Weather	27°C (81°F)	1 mm (0.0 inches)	48%	very high
October Weather	21°C (69°F)	8 mm (0.3 inches)	59%	high
November Weather	15°C (59°F)	24 mm (0.9 inches)	72%	moderate
December Weather	10°C (51°F)	49 mm (1.9 inches)	76%	moderate