September Weather in Delhi, United States

Last updated: June 24, 2025

In September, the average temperature in Delhi, United States is a pleasant 25°C (77°F). However, you can expect a range, with minimums dipping to 11°C (51°F) and soaring to a maximum of 43°C (109°F). Precipitation is minimal, with just 1 mm (0.1 in) recorded over 0 days, making it a great time to enjoy the outdoors. The average humidity sits comfortably at 55%, ensuring a warm and inviting atmosphere.

September Temperature in Delhi

In September in Delhi, the average temperature is 25°C (77°F), with maximums reaching up to 43°C (109°F) and minimums dipping as low as 11°C (51°F). This varied climate makes Delhi an ideal destination for travelers looking to enjoy warm weather while also being prepared for cooler evenings.

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

The chart illustrates September temperature patterns in Delhi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delhi, September typically has an average temperature of 25°C (77°F), with highs reaching up to 43°C (109°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Delhi

In Delhi in September, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.

September Precipitation Trends in Delhi

The chart displays monthly precipitation patterns in Delhi, 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 Delhi, September typically receives around 1 mm (0.1 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 Delhi

In Delhi in September humidity is 55%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that makes the air feel heavier, encouraging leisurely strolls and inviting you to explore the vibrant surroundings at a comfortable pace.

September Average Humidity in Delhi

This chart illustrates the average monthly humidity levels in Delhi, 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 Delhi is approximately 55%, 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 Delhi

In Delhi 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 Delhi.

Maximum UV Index Levels in Delhi for September

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

Data source: Delhi 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 Delhi Compares to Other Months

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

This table compares monthly weather conditions in Delhi, 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)	93 mm (3.6 inches)	82%	moderate
February Weather	11°C (53°F)	72 mm (2.8 inches)	84%	moderate
March Weather	14°C (57°F)	81 mm (3.2 inches)	82%	very high
April Weather	18°C (64°F)	33 mm (1.3 inches)	78%	very high
May Weather	22°C (71°F)	21 mm (0.8 inches)	71%	very high
June Weather	26°C (80°F)	2 mm (0.1 inches)	64%	extreme
July Weather	29°C (84°F)	0 mm (0.0 inches)	58%	extreme
August Weather	28°C (82°F)	0 mm (0.0 inches)	54%	very high
September Weather	25°C (77°F)	1 mm (0.1 inches)	55%	very high
October Weather	19°C (67°F)	16 mm (0.6 inches)	62%	high
November Weather	13°C (56°F)	34 mm (1.4 inches)	78%	moderate
December Weather	10°C (50°F)	87 mm (3.4 inches)	80%	moderate