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
Whitehall's weather subtly changes with the onset of September, barely falling from a warm 74.1°F (23.4°C) in August to a pleasant 68.7°F (20.4°C). September nights cool down to an average low-temperature of 58.3°F (14.6°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Whitehall, during September, the rain falls for 13.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Whitehall, there are 147 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:10 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:27 pm EDT.
Sunshine
The average sunshine in September in Whitehall, Michigan, is 8.2h.UV index
In September, the average daily maximum UV index in Whitehall is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are the temperatures in Whitehall in September?
What is the average humidity in September in Whitehall?
How much does it rain in Whitehall in September?
When it does not snow in Whitehall?
Does it snow in Whitehall in September?
What is the average length of the day in September in Whitehall?
When are sunrise and sunset in September in Whitehall?
How long on average sun shines in September in Whitehall?
What is the UV index reading in September in Whitehall?
Average temperature in September
Whitehall, MI
- Average high temperature in September: 68.7°F
The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Whitehall, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Whitehall, MI
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is November (13mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in September
Whitehall, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in September
Whitehall, MI
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Whitehall, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Whitehall, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.51").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Whitehall, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Whitehall, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Whitehall, MI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
Whitehall, MI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Whitehall, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Whitehall, 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).
Whitehall, Michigan, USA
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