September Weather in Landmark, United States

Last updated: June 24, 2025

In Landmark, United States, the average temperature in September hovers around 25°C (77°F). Temperatures can range from a brisk 10°C (51°F) to a sweltering 38°C (100°F). During this month, expect about 100 mm (3.9 in) of precipitation over 6 days, accompanied by an average humidity level of 71%. Whether you're basking in the warmth or preparing for a rain shower, be ready for a diverse climate!

September Temperature in Landmark

In September in Landmark, the average temperature is 25°C (77°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 10°C (51°F). This makes it a great time for travelers to enjoy warm days while still having cooler evenings for comfortable exploration.

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

The chart illustrates September temperature patterns in Landmark, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Landmark, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Landmark

In Landmark in September, the precipitation amount is 100 mm (3.9 in) spread over 6 days.

September Precipitation Trends in Landmark

The chart displays monthly precipitation patterns in Landmark, 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 Landmark, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 6 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 Landmark

In Landmark in September humidity is 71%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable, especially if you take breaks in shaded areas and stay hydrated.

September Average Humidity in Landmark

This chart illustrates the average monthly humidity levels in Landmark, 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 Landmark 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 Landmark

In Landmark 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 Landmark.

Maximum UV Index Levels in Landmark for September

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

Data source: Landmark 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 Landmark Compares to Other Months

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

This table compares monthly weather conditions in Landmark, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	93 mm (3.6 inches)	84%	moderate
February Weather	8°C (47°F)	150 mm (5.9 inches)	83%	high
March Weather	14°C (57°F)	154 mm (6.1 inches)	81%	very high
April Weather	17°C (62°F)	163 mm (6.4 inches)	81%	very high
May Weather	22°C (72°F)	154 mm (6.1 inches)	83%	extreme
June Weather	26°C (80°F)	105 mm (4.1 inches)	83%	extreme
July Weather	28°C (82°F)	102 mm (4.0 inches)	81%	extreme
August Weather	27°C (81°F)	114 mm (4.5 inches)	74%	very high
September Weather	25°C (77°F)	100 mm (3.9 inches)	71%	very high
October Weather	18°C (65°F)	108 mm (4.2 inches)	76%	high
November Weather	11°C (52°F)	75 mm (3.0 inches)	84%	moderate
December Weather	9°C (48°F)	153 mm (6.0 inches)	88%	moderate