September weather forecastClawson, MI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Clawson, Michigan, with an average temperature varying between 56.8°F (13.8°C) and 72.7°F (22.6°C).Temperature
September signifies a minor drop in average high-temperature, transitioning from a moderately hot 79.7°F (26.5°C) in August to an agreeable 72.7°F (22.6°C). During the nights in September, the temperature in Clawson averages to a refreshing 56.8°F (13.8°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Clawson, during September, the rain falls for 13 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 147.7 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Clawson, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:58 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
In Clawson, the average sunshine in September is 8.1h.UV index
In Clawson, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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
Clawson, MI
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Clawson, 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
Clawson, MI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Clawson, MI
- Average humidity in September: 74%
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
Clawson, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in September
Clawson, MI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (6.4 days).
Average snowfall in September
Clawson, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clawson, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clawson, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
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
Clawson, MI
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Clawson, MI
- Average UV index in September: 4
The months with the highest UV index are June, 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
Clawson, 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
Clawson, 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).
