September Weather in Sells, United States

Last updated: June 24, 2025

In September, the average temperature in Sells, United States reaches a warm 30°C (86°F). While it can dip to a refreshing 14°C (57°F), temperatures can soar to a scorching 43°C (110°F). Expect 17 mm (0.7 in) of rainfall spread over 2 days, contributing to an average humidity of 72%. Embrace the warmth and prepare for occasional showers!

September Temperature in Sells

In September in Sells, the average temperature is 30°C (86°F). Maximums can reach 43°C (110°F), and minimums can be as low as 14°C (57°F). This makes it a great time for travelers who enjoy warm weather but should also be prepared for occasional cool nights.

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

The chart illustrates September temperature patterns in Sells, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sells, September typically has an average temperature of 30°C (86°F), with highs reaching up to 43°C (110°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Sells

In Sells in September, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

September Precipitation Trends in Sells

The chart displays monthly precipitation patterns in Sells, 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 Sells, September typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 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 Sells

In Sells in September humidity is 72%. With an average temperature of 30°C (86°F), this humidity feels like walking through a warm, thick blanket, making travel feel heavy and sluggish, and potentially tiring if you're not adequately prepared for the mugginess.

September Average Humidity in Sells

This chart illustrates the average monthly humidity levels in Sells, 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 Sells is approximately 72%, 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 Sells

In Sells in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sells.

Maximum UV Index Levels in Sells for September

The chart shows the monthly maximum UV Index (UVI) for Sells 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 Sells typically reaches 11, which falls under the extreme exposure category.

Data source: Sells 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 Sells Compares to Other Months

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

This table compares monthly weather conditions in Sells, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	19 mm (0.7 inches)	74%	moderate
February Weather	14°C (57°F)	19 mm (0.8 inches)	71%	high
March Weather	18°C (64°F)	13 mm (0.5 inches)	60%	very high
April Weather	22°C (73°F)	1 mm (0.1 inches)	43%	extreme
May Weather	25°C (78°F)	1 mm (0.1 inches)	32%	extreme
June Weather	31°C (88°F)	5 mm (0.2 inches)	28%	extreme
July Weather	32°C (90°F)	34 mm (1.3 inches)	38%	extreme
August Weather	32°C (90°F)	22 mm (0.9 inches)	60%	extreme
September Weather	30°C (86°F)	17 mm (0.7 inches)	72%	extreme
October Weather	24°C (75°F)	7 mm (0.3 inches)	66%	very high
November Weather	19°C (66°F)	9 mm (0.4 inches)	74%	high
December Weather	13°C (56°F)	18 mm (0.7 inches)	81%	moderate