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September Weather in Milton, United States

Last updated: June 24, 2025

In September, the average temperature in Milton, United States hovers around 18°C (64°F), making it a pleasant time of year. However, you can expect a range of temperatures, with minimums dipping to 2°C (35°F) and maximums soaring to 33°C (91°F). Don’t forget your umbrella, as precipitation averages around 73 mm (2.9 in) over the course of 7 days, and the air stays comfortably moist with an average humidity of 71%.

September Temperature in Milton

In September in Milton, the average temperature is 18°C (64°F). Maximums can reach 33°C (91°F), and minimums can be as low as 2°C (35°F). It's advisable to pack layers to accommodate the warm days and cooler nights when traveling during this time.

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

The chart illustrates September temperature patterns in Milton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milton, September typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455667727164523828
Data source: Temperature data for Milton 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 Milton

In Milton in September, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.

September Precipitation Trends in Milton

The chart displays monthly precipitation patterns in Milton, 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 Milton, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec79898013277931538773126111125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Milton

In Milton in September, humidity is 71%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making traveling a bit sticky but still pleasant as the warmth envelops you, urging you to explore the vibrant surroundings while staying hydrated.

September Average Humidity in Milton

This chart illustrates the average monthly humidity levels in Milton, 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 Milton is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Milton

In Milton 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 Milton.

Maximum UV Index Levels in Milton for September

The chart shows the monthly maximum UV Index (UVI) for Milton 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 Milton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Milton 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 Milton Compares to Other Months

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

This table compares monthly weather conditions in Milton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)79 mm (3.1 inches)86%moderate
February Weather-3°C (27°F)89 mm (3.5 inches)84%moderate
March Weather1°C (33°F)80 mm (3.2 inches)82%moderate
April Weather7°C (45°F)132 mm (5.2 inches)80%very high
May Weather14°C (57°F)77 mm (3.0 inches)72%very high
June Weather19°C (67°F)93 mm (3.7 inches)72%very high
July Weather22°C (72°F)153 mm (6.0 inches)67%very high
August Weather22°C (71°F)87 mm (3.4 inches)66%very high
September Weather18°C (64°F)73 mm (2.9 inches)71%high
October Weather11°C (52°F)126 mm (5.0 inches)78%moderate
November Weather3°C (38°F)111 mm (4.4 inches)84%moderate
December Weather-2°C (29°F)125 mm (4.9 inches)81%low

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