nomadseason

September Weather in Lake Darby, United States

Last updated: June 24, 2025

In Lake Darby, United States, the average temperature in September is a pleasant 20°C (69°F), with daily extremes ranging from a brisk 5°C (41°F) to a warm 35°C (94°F). Expect 89 mm (3.5 in) of precipitation over about 8 days, contributing to an average humidity of 73%, creating a lush and vibrant atmosphere throughout the month.

September Temperature in Lake Darby

In September in Lake Darby, the average temperature is 20°C (69°F). Maximum can reach 35°C (94°F) and minimum can be as low as 5°C (41°F). Be prepared for a wide range of temperatures, making it ideal for packing layers for your travels.

September Weather in Lake Darby: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lake Darby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Darby, September typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (94°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec313442526472767369584236
Data source: Temperature data for Lake Darby generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lake Darby

In Lake Darby in September, the precipitation amount is 89 mm (3.5 in) over a span of 8 days.

September Precipitation Trends in Lake Darby

The chart displays monthly precipitation patterns in Lake Darby, 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 Lake Darby, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec761011081131271371158689969497
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Lake Darby

In Lake Darby in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Lake Darby

This chart illustrates the average monthly humidity levels in Lake Darby, 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 Lake Darby is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Darby

In Lake Darby in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Lake Darby.

Maximum UV Index Levels in Lake Darby for September

The chart shows the monthly maximum UV Index (UVI) for Lake Darby 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 Lake Darby typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Lake Darby 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 Lake Darby Compares to Other Months

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

This table compares monthly weather conditions in Lake Darby, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)76 mm (3.0 inches)88%moderate
February Weather1°C (34°F)101 mm (4.0 inches)88%moderate
March Weather6°C (43°F)108 mm (4.2 inches)87%high
April Weather11°C (52°F)113 mm (4.4 inches)85%very high
May Weather18°C (64°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)137 mm (5.4 inches)82%very high
July Weather24°C (76°F)115 mm (4.5 inches)81%very high
August Weather23°C (74°F)86 mm (3.4 inches)73%very high
September Weather20°C (69°F)89 mm (3.5 inches)73%very high
October Weather14°C (58°F)96 mm (3.8 inches)78%high
November Weather5°C (42°F)94 mm (3.7 inches)89%moderate
December Weather2°C (36°F)97 mm (3.8 inches)87%moderate

Compare Lake Darby's Climate with Cities Worldwide