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September Weather in Milton, United States

Last updated: June 24, 2025

The average temperature in Milton, United States during September is a pleasant 23°C (73°F). However, be prepared for fluctuations, as temperatures can dip to a cool 10°C (50°F) or rise to a scorching 35°C (94°F). Expect around 116 mm (4.6 in) of precipitation spread over 10 days, contributing to an average humidity of 76%.

September Temperature in Milton

In September in Milton, the average temperature is 23°C (73°F), with maximums reaching 35°C (94°F) and minimums dropping as low as 10°C (50°F). It's an ideal time to visit for those who enjoy mild to warm weather, making it perfect for outdoor activities and sightseeing.

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 23°C (73°F), with highs reaching up to 35°C (94°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954617075787773645147
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 total precipitation amount is 116 mm (4.6 in) over a span of 10 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 116 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec12418215913913113512016411615690151
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 76%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
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 Weather7°C (44°F)124 mm (4.9 inches)86%moderate
February Weather10°C (49°F)182 mm (7.2 inches)86%high
March Weather12°C (55°F)159 mm (6.2 inches)86%very high
April Weather16°C (61°F)139 mm (5.5 inches)82%very high
May Weather21°C (70°F)131 mm (5.2 inches)85%extreme
June Weather24°C (75°F)135 mm (5.3 inches)85%extreme
July Weather26°C (78°F)120 mm (4.7 inches)83%extreme
August Weather25°C (77°F)164 mm (6.5 inches)76%very high
September Weather23°C (73°F)116 mm (4.6 inches)76%very high
October Weather18°C (65°F)156 mm (6.1 inches)80%very high
November Weather11°C (51°F)90 mm (3.5 inches)88%high
December Weather8°C (47°F)151 mm (6.0 inches)88%moderate

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