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September Weather in Manns Harbor, United States

Last updated: June 24, 2025

In September, the average temperature in Manns Harbor, United States hovers around 24°C (76°F), creating a comfortable climate for outdoor activities. Expect temperatures to range from a cool 17°C (63°F) to a warm 30°C (87°F). However, be prepared for some rainfall, as the area receives approximately 109 mm (4.3 in) of precipitation over 11 days. With an average humidity of 80%, it’s the perfect time to enjoy the lush surroundings while staying hydrated!

September Temperature in Manns Harbor

In September in Manns Harbor, the average temperature is a comfortable 24°C (76°F). The maximum can reach a warm 30°C (87°F), while the minimum can dip to a cool 17°C (63°F). This pleasant climate makes Manns Harbor an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

September Weather in Manns Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Manns Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manns Harbor, September typically has an average temperature of 24°C (76°F), with highs reaching up to 30°C (87°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec464850596775807976695751
Data source: Temperature data for Manns Harbor 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 Manns Harbor

In Manns Harbor in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Manns Harbor

The chart displays monthly precipitation patterns in Manns Harbor, 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 Manns Harbor, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec108131809610889109141109102114145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manns Harbor

In Manns Harbor in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Manns Harbor

This chart illustrates the average monthly humidity levels in Manns Harbor, 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 Manns Harbor is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Manns Harbor

In Manns Harbor 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 Manns Harbor.

Maximum UV Index Levels in Manns Harbor for September

The chart shows the monthly maximum UV Index (UVI) for Manns Harbor 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 Manns Harbor typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111011109853
Data source: Manns Harbor 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 Manns Harbor Compares to Other Months

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

This table compares monthly weather conditions in Manns Harbor, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)108 mm (4.2 inches)84%moderate
February Weather9°C (48°F)131 mm (5.2 inches)81%high
March Weather10°C (51°F)80 mm (3.2 inches)80%very high
April Weather15°C (59°F)96 mm (3.8 inches)80%very high
May Weather20°C (68°F)108 mm (4.3 inches)81%extreme
June Weather24°C (75°F)89 mm (3.5 inches)82%very high
July Weather26°C (80°F)109 mm (4.3 inches)83%extreme
August Weather26°C (79°F)140 mm (5.5 inches)82%very high
September Weather24°C (76°F)109 mm (4.3 inches)80%very high
October Weather21°C (69°F)102 mm (4.0 inches)79%very high
November Weather14°C (58°F)114 mm (4.5 inches)83%moderate
December Weather10°C (51°F)145 mm (5.7 inches)84%moderate

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