nomadseason

September Weather in Crystal Springs, United States

Last updated: June 24, 2025

In September, the average temperature in Crystal Springs, United States hovers around 26°C (78°F), with a comfortable range from a cool 10°C (50°F) to a sweltering 38°C (101°F). Expect about 98 mm (3.9 in) of precipitation over 10 days, contributing to an average humidity level of 79%.

September Temperature in Crystal Springs

In September in Crystal Springs, the average temperature is 26°C (78°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 10°C (50°F). It’s a versatile climate that allows for both warm beach days and cooler evenings, making it an ideal destination for travelers seeking a range of outdoor activities.

September Weather in Crystal Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Crystal Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Crystal Springs, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec495461657479818178695552
Data source: Temperature data for Crystal Springs 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 Crystal Springs

In Crystal Springs in September, the total precipitation amount is 98 mm (3.9 in) recorded over a span of 10 days.

September Precipitation Trends in Crystal Springs

The chart displays monthly precipitation patterns in Crystal Springs, 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 Crystal Springs, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1101381261741491611021569810877124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Crystal Springs

In Crystal Springs in September, humidity is 79%. With an average temperature of 26°C (78°F), this humidity feels like a tropical blanket enveloping you, making outdoor activities less comfortable for traveling.

September Average Humidity in Crystal Springs

This chart illustrates the average monthly humidity levels in Crystal Springs, 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 Crystal Springs is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Crystal Springs

In Crystal Springs in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Crystal Springs.

Maximum UV Index Levels in Crystal Springs for September

The chart shows the monthly maximum UV Index (UVI) for Crystal Springs 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 Crystal Springs typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121110864
Data source: Crystal Springs 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 Crystal Springs Compares to Other Months

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

This table compares monthly weather conditions in Crystal Springs, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)110 mm (4.3 inches)83%moderate
February Weather12°C (54°F)138 mm (5.4 inches)83%high
March Weather16°C (61°F)126 mm (5.0 inches)80%very high
April Weather18°C (65°F)174 mm (6.9 inches)81%extreme
May Weather23°C (74°F)149 mm (5.9 inches)81%extreme
June Weather26°C (79°F)161 mm (6.3 inches)78%extreme
July Weather27°C (82°F)101 mm (4.0 inches)79%extreme
August Weather27°C (81°F)156 mm (6.1 inches)79%extreme
September Weather26°C (78°F)98 mm (3.9 inches)79%very high
October Weather21°C (69°F)108 mm (4.2 inches)77%very high
November Weather13°C (56°F)77 mm (3.0 inches)85%high
December Weather11°C (53°F)124 mm (4.9 inches)88%moderate

Compare Crystal Springs's Climate with Cities Worldwide