nomadseason

September Weather in Caledonia, United States

Last updated: June 24, 2025

In September, the average temperature in Caledonia, United States hovers around 25°C (77°F). While you might enjoy sunny days, be prepared for temperatures that can dip to a cool 10°C (50°F) or soar to a scorching 38°C (100°F). Expect 91 mm (3.6 in) of precipitation over approximately 8 days, and with an average humidity of 74%, the climate can feel quite tropical.

September Temperature in Caledonia

In September in Caledonia, the average temperature is 25°C (77°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 10°C (50°F). It’s an ideal time to travel to Caledonia if you enjoy warm weather and are prepared for some temperature variations.

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

The chart illustrates September temperature patterns in Caledonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caledonia, September typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec465158637278818177675349
Data source: Temperature data for Caledonia 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 Caledonia

In Caledonia in September, the total precipitation amount is 91 mm (3.6 in) over the course of 8 days.

September Precipitation Trends in Caledonia

The chart displays monthly precipitation patterns in Caledonia, 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 Caledonia, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec122180164173130135991299110570145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Caledonia

In Caledonia in September humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

September Average Humidity in Caledonia

This chart illustrates the average monthly humidity levels in Caledonia, 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 Caledonia is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Caledonia

In Caledonia 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 Caledonia.

Maximum UV Index Levels in Caledonia for September

The chart shows the monthly maximum UV Index (UVI) for Caledonia 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 Caledonia typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Caledonia 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 Caledonia Compares to Other Months

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

This table compares monthly weather conditions in Caledonia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)121 mm (4.8 inches)85%moderate
February Weather11°C (51°F)180 mm (7.1 inches)84%high
March Weather14°C (58°F)164 mm (6.4 inches)82%very high
April Weather17°C (63°F)173 mm (6.8 inches)82%very high
May Weather22°C (73°F)129 mm (5.1 inches)82%extreme
June Weather26°C (78°F)135 mm (5.3 inches)79%extreme
July Weather27°C (82°F)99 mm (3.9 inches)82%extreme
August Weather27°C (81°F)129 mm (5.1 inches)77%extreme
September Weather25°C (77°F)91 mm (3.6 inches)74%very high
October Weather19°C (67°F)105 mm (4.1 inches)73%high
November Weather11°C (53°F)70 mm (2.8 inches)85%high
December Weather10°C (50°F)145 mm (5.7 inches)88%moderate

Compare Caledonia's Climate with Cities Worldwide