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September Weather in Old Road, Antigua and Barbuda

Last updated: August 22, 2025

In September, the average temperature in Old Road, Antigua and Barbuda is a pleasant 28°C (82°F), with a minimum of 25°C (77°F) and a maximum reaching 29°C (85°F). Expect some rain, as 144 mm (5.7 in) of precipitation falls over 21 days, contributing to an average humidity of 80%. Be prepared for warm, humid days and occasional showers!

September Temperature in Old Road

In September in Old Road, 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 Old Road has to offer.

September Weather in Old Road: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Old Road, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Old Road, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818182818079
Data source: Temperature data for Old Road generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Old Road

In Old Road in September, the precipitation amount is 144 mm (5.7 in) over a span of 21 days.

September Precipitation Trends in Old Road

The chart displays monthly precipitation patterns in Old Road, 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 Old Road, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec35363138495281971441099452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Old Road

In Old Road 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 Old Road

This chart illustrates the average monthly humidity levels in Old Road, 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 Old Road is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%78%79%81%84%83%80%79%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Old Road

In Old Road 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 Old Road.

Maximum UV Index Levels in Old Road for September

The chart shows the monthly maximum UV Index (UVI) for Old Road 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 Old Road typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131413131299
Data source: Old Road 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 Old Road Compares to Other Months

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

This table compares monthly weather conditions in Old Road, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)34 mm (1.4 inches)77%very high
February Weather25°C (77°F)36 mm (1.4 inches)76%extreme
March Weather25°C (77°F)31 mm (1.2 inches)76%extreme
April Weather25°C (78°F)38 mm (1.5 inches)78%extreme
May Weather26°C (79°F)49 mm (1.9 inches)79%extreme
June Weather27°C (80°F)52 mm (2.0 inches)81%extreme
July Weather27°C (81°F)81 mm (3.2 inches)84%extreme
August Weather27°C (82°F)97 mm (3.8 inches)83%extreme
September Weather28°C (82°F)144 mm (5.7 inches)80%extreme
October Weather27°C (81°F)109 mm (4.3 inches)79%extreme
November Weather27°C (80°F)94 mm (3.7 inches)80%very high
December Weather26°C (79°F)52 mm (2.1 inches)78%very high

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