September Weather in Groveland, United States

Last updated: June 24, 2025

In September, the average temperature in Groveland, United States hovers around 27°C (81°F). On cooler days, temperatures can dip to a minimum of 18°C (65°F), while heat waves can push the mercury as high as 34°C (94°F). Be prepared for the weather; with an average precipitation of 183 mm (7.2 in) spread over 19 days, and humidity levels reaching 83%, it’s a season best enjoyed with light clothing and an umbrella in hand!

September Temperature in Groveland

In September in Groveland, the average temperature is 27°C (81°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 18°C (65°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Groveland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groveland, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec606668737881818281776863
Data source: Temperature data for Groveland 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 Groveland

In Groveland in September, the total precipitation amount is 183 mm (7.2 in) over a span of 19 days.

September Precipitation Trends in Groveland

The chart displays monthly precipitation patterns in Groveland, 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 Groveland, September typically receives around 183 mm (7.2 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec43541975105213243233183854665
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Groveland

In Groveland in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Groveland

This chart illustrates the average monthly humidity levels in Groveland, 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 Groveland is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Groveland

In Groveland 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 Groveland.

Maximum UV Index Levels in Groveland for September

The chart shows the monthly maximum UV Index (UVI) for Groveland 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 Groveland typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121111975
Data source: Groveland 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 Groveland Compares to Other Months

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

This table compares monthly weather conditions in Groveland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)43 mm (1.7 inches)83%moderate
February Weather19°C (66°F)54 mm (2.1 inches)80%very high
March Weather20°C (68°F)19 mm (0.8 inches)75%very high
April Weather23°C (73°F)75 mm (2.9 inches)70%extreme
May Weather25°C (78°F)105 mm (4.1 inches)68%extreme
June Weather27°C (81°F)213 mm (8.4 inches)75%extreme
July Weather27°C (82°F)243 mm (9.6 inches)79%extreme
August Weather28°C (82°F)233 mm (9.2 inches)81%extreme
September Weather27°C (81°F)183 mm (7.2 inches)83%extreme
October Weather25°C (77°F)84 mm (3.3 inches)81%very high
November Weather20°C (68°F)46 mm (1.8 inches)82%high
December Weather17°C (63°F)65 mm (2.6 inches)84%moderate

Compare Groveland's Climate with Cities Worldwide