September Weather in Stratton, United States

Last updated: June 24, 2025

In September, the average temperature in Stratton, United States is a pleasant 21°C (69°F). Expect a range from a chilly 1°C (34°F) to a sizzling 38°C (101°F). With average precipitation of 32 mm (1.3 in) over 4 days, and a relative humidity of 79%, it's a month that offers a unique blend of warmth and refreshing showers.

September Temperature in Stratton

In September in Stratton, the average temperature is 21°C (69°F), with maximums reaching up to 38°C (101°F) and minimums dropping to as low as 1°C (34°F). This diverse temperature range makes it essential for travelers to prepare for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Stratton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stratton, September typically has an average temperature of 21°C (69°F), with highs reaching up to 38°C (101°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Stratton

In Stratton in September, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.

September Precipitation Trends in Stratton

The chart displays monthly precipitation patterns in Stratton, 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 Stratton, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 4 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 Stratton

In Stratton in September, humidity is 79%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it ideal for leisurely explorations yet challenging for those unaccustomed to the mugginess while traveling.

September Average Humidity in Stratton

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

In Stratton 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 Stratton.

Maximum UV Index Levels in Stratton for September

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

Data source: Stratton 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 Stratton Compares to Other Months

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

This table compares monthly weather conditions in Stratton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	15 mm (0.6 inches)	74%	moderate
February Weather	0°C (32°F)	15 mm (0.6 inches)	75%	moderate
March Weather	7°C (44°F)	48 mm (1.9 inches)	66%	high
April Weather	10°C (51°F)	35 mm (1.4 inches)	62%	very high
May Weather	16°C (60°F)	80 mm (3.1 inches)	74%	extreme
June Weather	23°C (73°F)	49 mm (1.9 inches)	76%	extreme
July Weather	25°C (77°F)	58 mm (2.3 inches)	75%	extreme
August Weather	23°C (74°F)	40 mm (1.6 inches)	80%	extreme
September Weather	21°C (69°F)	32 mm (1.3 inches)	79%	very high
October Weather	11°C (52°F)	31 mm (1.2 inches)	77%	high
November Weather	7°C (44°F)	12 mm (0.5 inches)	74%	moderate
December Weather	2°C (36°F)	11 mm (0.4 inches)	80%	moderate