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September Weather in Big Spring, United States

Last updated: June 24, 2025

In Big Spring, United States, the average temperature in September is a warm 25°C (77°F). However, be prepared for a temperature range that can dip to as low as 6°C (44°F) and soar up to 38°C (101°F). Expect about 51 mm (2.0 in) of precipitation spread over 6 days, contributing to an average humidity of 69%.

September Temperature in Big Spring

In September in Big Spring, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F) and minimums can be as low as 6°C (44°F). Travelers should be prepared for warm days and cooler nights, making it an ideal time to explore both outdoor activities and local attractions.

September Weather in Big Spring: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Big Spring, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big Spring, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec444759657581848377665448
Data source: Temperature data for Big Spring 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 Big Spring

In Big Spring in September, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

September Precipitation Trends in Big Spring

The chart displays monthly precipitation patterns in Big Spring, 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 Big Spring, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec201841617950223051582317
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Big Spring

In Big Spring in September humidity is 69%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket enveloping you, making every step feel slightly sluggish and encouraging frequent breaks to enjoy refreshing beverages and cool breezes.

September Average Humidity in Big Spring

This chart illustrates the average monthly humidity levels in Big Spring, 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 Big Spring is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%74%66%70%75%79%78%71%69%70%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Big Spring

In Big Spring 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 Big Spring.

Maximum UV Index Levels in Big Spring for September

The chart shows the monthly maximum UV Index (UVI) for Big Spring 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 Big Spring typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: Big Spring 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 Big Spring Compares to Other Months

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

This table compares monthly weather conditions in Big Spring, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)20 mm (0.8 inches)75%moderate
February Weather9°C (48°F)18 mm (0.7 inches)74%high
March Weather15°C (59°F)41 mm (1.6 inches)66%very high
April Weather18°C (65°F)61 mm (2.4 inches)70%extreme
May Weather24°C (75°F)79 mm (3.1 inches)75%extreme
June Weather27°C (81°F)50 mm (2.0 inches)79%extreme
July Weather29°C (84°F)22 mm (0.9 inches)78%extreme
August Weather29°C (84°F)30 mm (1.2 inches)71%extreme
September Weather25°C (77°F)51 mm (2.0 inches)69%extreme
October Weather19°C (66°F)58 mm (2.3 inches)70%very high
November Weather12°C (55°F)23 mm (0.9 inches)82%high
December Weather9°C (49°F)16 mm (0.6 inches)82%moderate

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