September weather forecastSouthfield, MI
September
Weather in September
September in Southfield indicates the end of sultry summer and the quiet introduction of fall. The drop in temperature is a welcoming change, bringing a sense of relief to residents after the rather relentless summer. This month captures the essence of change; painted pictures of leaves transform into actual sketches coloured by nature itself. Harvest festivals dominate civic schedules as the maximum average temperature notably drops to 72.5°F (22.5°C). In September, Southfield truly turns a new leaf, embracing the crisp charm of autumn.Temperature
September in Southfield, Michigan, is characterized by a slight reduction in average high-temperature, easing from a warm 79.3°F (26.3°C) in August to a pleasant 72.5°F (22.5°C). During September, Southfield experiences an average low-temperature of 56.3°F (13.5°C) at night.Humidity
In Southfield, the average relative humidity in September is 75%.Rainfall
In Southfield, in September, it is raining for 13.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Southfield, during the entire year, the rain falls for 148.9 days and collects up to 24.06" (611mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Southfield, Michigan, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
In Southfield, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Southfield, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Southfield, MI
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Southfield, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Southfield, MI
- Average humidity in September: 75%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in September
Southfield, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in September
Southfield, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Southfield, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Southfield, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Southfield, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Southfield, MI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are April, May and July (10.8 days).
Average UV index in September
Southfield, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Southfield, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Southfield, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
