Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature shows a slight dip in September, from August's moderately hot 77.5°F (25.3°C) to an agreeable 71.6°F (22°C). Throughout the month of September, Whitmore Lake sees a steady low-temperature average of 53.6°F (12°C).Humidity
The average relative humidity in September in Whitmore Lake is 79%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Whitmore Lake, during the entire year, the rain falls for 147.8 days and collects up to 25.35" (644mm) of precipitation.Snowfall
June through September are months without snowfall in Whitmore Lake.Daylight
In Whitmore Lake, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 7:00 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Whitmore Lake?
What is the average humidity in September in Whitmore Lake?
How much does it rain in Whitmore Lake in September?
When it does not snow in Whitmore Lake?
Does it snow in Whitmore Lake in September?
What is the average length of the day in September in Whitmore Lake?
What time are sunrise and sunset in September in Whitmore Lake?
How many hours of sunshine does Whitmore Lake have in September?
What is the UV index intensity in September in Whitmore Lake?
Average temperature in September
Whitmore Lake, MI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Whitmore Lake, 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
Whitmore Lake, MI
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Whitmore Lake, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Whitmore Lake, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Whitmore Lake, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Whitmore Lake, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Whitmore Lake, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Whitmore Lake, MI
- Average daylight in September: 12h and 3min
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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Whitmore Lake, MI
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Whitmore Lake, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Whitmore Lake, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Whitmore Lake, 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).
Whitmore Lake, Michigan, USA
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