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September Weather in Gros Morne, Haiti

Last updated: August 23, 2025

The average temperature in Gros Morne, Haiti during September hovers around 27°C (80°F), with a minimum of 22°C (73°F) and a maximum reaching 32°C (91°F). Expect precipitation of approximately 157 mm (6.2 in) spread over 23 days, contributing to an overall average humidity of 76%.

September Temperature in Gros Morne

In September in Gros Morne, the average temperature is 27°C (80°F). Maximum can reach 32°C (91°F) and minimum can be as low as 22°C (73°F). This pleasant climate makes it an ideal time for travelers to explore outdoor activities and enjoy the local attractions.

September Weather in Gros Morne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gros Morne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gros Morne, September typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (91°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec747575777880808180797776
Data source: Temperature data for Gros Morne 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 Gros Morne

In Gros Morne in September, the precipitation amount is 157 mm (6.2 in) occurring over the course of 23 days.

September Precipitation Trends in Gros Morne

The chart displays monthly precipitation patterns in Gros Morne, 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 Gros Morne, September typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec512473772011139710615714811133
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gros Morne

In Gros Morne in September, humidity is 76%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities and travel a bit challenging as you navigate the sticky air and sweat-drenched clothing.

September Average Humidity in Gros Morne

This chart illustrates the average monthly humidity levels in Gros Morne, 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 Gros Morne is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%62%62%60%62%70%76%76%76%76%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gros Morne

In Gros Morne in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Gros Morne.

Maximum UV Index Levels in Gros Morne for September

The chart shows the monthly maximum UV Index (UVI) for Gros Morne 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 Gros Morne typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121213121198
Data source: Gros Morne 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 Gros Morne Compares to Other Months

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

This table compares monthly weather conditions in Gros Morne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)51 mm (2.0 inches)65%very high
February Weather24°C (75°F)24 mm (1.0 inches)63%extreme
March Weather24°C (75°F)73 mm (2.9 inches)62%extreme
April Weather25°C (77°F)77 mm (3.0 inches)62%extreme
May Weather26°C (78°F)201 mm (7.9 inches)60%extreme
June Weather26°C (80°F)113 mm (4.5 inches)61%extreme
July Weather27°C (81°F)97 mm (3.8 inches)70%extreme
August Weather27°C (81°F)106 mm (4.2 inches)76%extreme
September Weather27°C (80°F)157 mm (6.2 inches)76%extreme
October Weather26°C (79°F)148 mm (5.8 inches)76%extreme
November Weather25°C (78°F)111 mm (4.4 inches)76%very high
December Weather24°C (76°F)33 mm (1.3 inches)71%very high

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