nomadseason

September Weather in Crofton, United States

Last updated: June 24, 2025

In September, the average temperature in Crofton, United States is a pleasant 23°C (74°F). Expect a range in temperatures, with a minimum of 9°C (48°F) and a potential maximum of 37°C (98°F). During this month, you'll encounter approximately 100 mm (3.9 in) of precipitation over 8 days, contributing to the average humidity level of 75%.

September Temperature in Crofton

In September in Crofton, the average temperature is 23°C (74°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 9°C (48°F). Be sure to pack both lightweight clothing for the warm days and a light jacket for the cooler evenings!

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

The chart illustrates September temperature patterns in Crofton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crofton, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (98°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec384251586977807873624743
Data source: Temperature data for Crofton 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 Crofton

In Crofton in September, the precipitation amount is 100 mm (3.9 in) spread over the course of 8 days.

September Precipitation Trends in Crofton

The chart displays monthly precipitation patterns in Crofton, 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 Crofton, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9615813615112412410712010011292121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Crofton

In Crofton in September, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

September Average Humidity in Crofton

This chart illustrates the average monthly humidity levels in Crofton, 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 Crofton is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Crofton

In Crofton 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 Crofton.

Maximum UV Index Levels in Crofton for September

The chart shows the monthly maximum UV Index (UVI) for Crofton 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 Crofton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
Data source: Crofton 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 Crofton Compares to Other Months

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

This table compares monthly weather conditions in Crofton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)96 mm (3.8 inches)86%moderate
February Weather5°C (42°F)157 mm (6.2 inches)84%high
March Weather10°C (51°F)136 mm (5.4 inches)84%high
April Weather14°C (58°F)151 mm (6.0 inches)80%very high
May Weather21°C (69°F)124 mm (4.9 inches)82%very high
June Weather25°C (77°F)124 mm (4.9 inches)83%extreme
July Weather27°C (80°F)107 mm (4.2 inches)79%very high
August Weather25°C (78°F)120 mm (4.7 inches)76%very high
September Weather23°C (74°F)100 mm (3.9 inches)75%very high
October Weather17°C (62°F)112 mm (4.4 inches)74%high
November Weather8°C (47°F)92 mm (3.6 inches)85%moderate
December Weather6°C (43°F)121 mm (4.8 inches)88%moderate

Compare Crofton's Climate with Cities Worldwide