September weather forecastLake Orion, MI
September
Weather in September
September, the first month of the autumn in Lake Orion, is still a pleasant month, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 54.1°F (12.3°C).Temperature
Lake Orion observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 77.9°F (25.5°C) to an agreeable 71.4°F (21.9°C). In Lake Orion, an average temperature of 54.1°F (12.3°C) is noted during September nights.Humidity
In Lake Orion, the average relative humidity in September is 78%.Rainfall
In Lake Orion, during September, the rain falls for 13.2 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Lake Orion, during the entire year, the rain falls for 142.5 days and collects up to 20.75" (527mm) of precipitation.Snowfall
In Lake Orion, snow does not fall in June through September.Daylight
In September, the average length of the day 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 Lake Orion, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake Orion, MI
- Average high temperature in September: 71.4°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 (27.7°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Lake Orion, MI
- Average pressure in September: 30.03"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
Lake Orion, MI
- Average wind speed in September: 7.3mph
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
Lake Orion, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Lake Orion, MI
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Lake Orion, MI
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Lake Orion, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lake Orion, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lake Orion, 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 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Lake Orion, MI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Lake Orion, MI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Lake Orion, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Lake Orion, 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).
