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September Weather in Romeo, United States

Last updated: June 24, 2025

In Romeo, United States, the average temperature in September is a comfortable 18°C (65°F). Expect a cool minimum of 2°C (35°F) and a warm maximum of 33°C (93°F). This month also brings about 73 mm (2.9 in) of precipitation, usually spread over 10 days, with an average humidity level of 80%. Stay prepared for a mix of weather!

September Temperature in Romeo

In September in Romeo, the average temperature is 18°C (65°F), with maximums reaching 33°C (93°F) and minimums dropping to as low as 2°C (35°F). Be prepared for a wide range of temperatures, making it essential to pack both warm and lightweight clothing for your travels.

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

The chart illustrates September temperature patterns in Romeo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Romeo, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (93°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec262836465969747265543932
Data source: Temperature data for Romeo 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 Romeo

In Romeo in September, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

September Precipitation Trends in Romeo

The chart displays monthly precipitation patterns in Romeo, 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 Romeo, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec606565931061008586731017052
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Romeo

In Romeo in September, humidity is 80%. With an average temperature of 18°C (65°F), this humidity feels like wandering through a warm, damp blanket, making every step slightly heavy and resulting in a constant sheen of sweat, which can be both refreshing and exhausting for travelers.

September Average Humidity in Romeo

This chart illustrates the average monthly humidity levels in Romeo, 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 Romeo is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Romeo

In Romeo in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Romeo.

Maximum UV Index Levels in Romeo for September

The chart shows the monthly maximum UV Index (UVI) for Romeo 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 Romeo typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097542
Data source: Romeo 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 Romeo Compares to Other Months

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

This table compares monthly weather conditions in Romeo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)60 mm (2.4 inches)88%low
February Weather-2°C (28°F)65 mm (2.6 inches)87%moderate
March Weather2°C (36°F)65 mm (2.6 inches)85%moderate
April Weather8°C (46°F)93 mm (3.7 inches)86%very high
May Weather15°C (59°F)106 mm (4.2 inches)80%very high
June Weather21°C (69°F)100 mm (3.9 inches)80%very high
July Weather23°C (74°F)85 mm (3.3 inches)80%very high
August Weather22°C (72°F)86 mm (3.4 inches)80%very high
September Weather18°C (65°F)73 mm (2.9 inches)80%high
October Weather12°C (54°F)101 mm (4.0 inches)84%moderate
November Weather4°C (39°F)70 mm (2.8 inches)89%moderate
December Weather0°C (32°F)52 mm (2.1 inches)86%low

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