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September Weather in Malden, United States

Last updated: June 24, 2025

In September, the average temperature in Malden, United States is a comfortable 23°C (74°F). Expect variations with a minimum of 9°C (48°F) and a maximum of 35°C (96°F). During this month, precipitation averages 79 mm (3.1 in) across about 8 days, contributing to an average humidity level of 68%.

September Temperature in Malden

In September in Malden, the average temperature is 23°C (74°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 9°C (48°F). Overall, this month offers a warm climate, making it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Malden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Malden, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec384252597078817874624844
Data source: Temperature data for Malden 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 Malden

In Malden in September, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

September Precipitation Trends in Malden

The chart displays monthly precipitation patterns in Malden, 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 Malden, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1081431671561351048811579119102102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Malden

In Malden in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Malden

This chart illustrates the average monthly humidity levels in Malden, 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 Malden is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Malden

In Malden 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 Malden.

Maximum UV Index Levels in Malden for September

The chart shows the monthly maximum UV Index (UVI) for Malden 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 Malden typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Malden 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 Malden Compares to Other Months

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

This table compares monthly weather conditions in Malden, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)108 mm (4.3 inches)83%moderate
February Weather5°C (42°F)143 mm (5.6 inches)81%high
March Weather11°C (52°F)167 mm (6.6 inches)80%high
April Weather15°C (59°F)156 mm (6.1 inches)80%very high
May Weather21°C (70°F)135 mm (5.3 inches)83%very high
June Weather25°C (78°F)104 mm (4.1 inches)83%extreme
July Weather27°C (81°F)88 mm (3.5 inches)76%extreme
August Weather26°C (79°F)115 mm (4.5 inches)69%very high
September Weather23°C (74°F)79 mm (3.1 inches)68%very high
October Weather17°C (62°F)119 mm (4.7 inches)72%high
November Weather9°C (48°F)102 mm (4.0 inches)83%moderate
December Weather6°C (44°F)102 mm (4.0 inches)86%moderate

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