September Weather in Carlisle, Antigua and Barbuda

Last updated: August 22, 2025

In September, the average temperature in Carlisle, Antigua and Barbuda hovers around 28°C (82°F), with a comfortable minimum of 25°C (77°F) and a maximum of 29°C (85°F). Expect a bit of rain, with 133 mm (5.2 in) of precipitation spread over 20 days. The air is likely to feel quite humid, sitting at an average of 80%, which can add to the tropical ambiance of the region!

September Temperature in Carlisle

In September in Carlisle, the average temperature is 28°C (82°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes it an ideal time for travelers to explore and enjoy all the outdoor activities that Carlisle has to offer.

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

The chart illustrates September temperature patterns in Carlisle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carlisle, September typically has an average temperature of 28°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Carlisle

In Carlisle in September, the precipitation amount is 133 mm (5.2 in) over the course of 20 days.

September Precipitation Trends in Carlisle

The chart displays monthly precipitation patterns in Carlisle, 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 Carlisle, September typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 20 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 Carlisle

In Carlisle in September, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

September Average Humidity in Carlisle

This chart illustrates the average monthly humidity levels in Carlisle, 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 Carlisle is approximately 80%, 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 Carlisle

In Carlisle in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Carlisle.

Maximum UV Index Levels in Carlisle for September

The chart shows the monthly maximum UV Index (UVI) for Carlisle 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 Carlisle typically reaches 13, which falls under the extreme exposure category.

Data source: Carlisle 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 Carlisle Compares to Other Months

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

This table compares monthly weather conditions in Carlisle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	34 mm (1.3 inches)	77%	very high
February Weather	25°C (77°F)	35 mm (1.4 inches)	76%	extreme
March Weather	25°C (77°F)	28 mm (1.1 inches)	76%	extreme
April Weather	25°C (78°F)	35 mm (1.4 inches)	78%	extreme
May Weather	26°C (79°F)	47 mm (1.9 inches)	79%	extreme
June Weather	27°C (81°F)	48 mm (1.9 inches)	81%	extreme
July Weather	27°C (81°F)	78 mm (3.1 inches)	84%	extreme
August Weather	27°C (82°F)	90 mm (3.6 inches)	83%	extreme
September Weather	28°C (82°F)	133 mm (5.2 inches)	80%	extreme
October Weather	27°C (81°F)	108 mm (4.2 inches)	79%	extreme
November Weather	27°C (80°F)	94 mm (3.7 inches)	80%	very high
December Weather	26°C (79°F)	48 mm (1.9 inches)	78%	very high