September weather forecastIdlewild, MI
September
Weather in September
September, the first month of the autumn in Idlewild, is also an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 50.7°F (10.4°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 76.5°F (24.7°C) in August to a pleasant 69.6°F (20.9°C). The average temperature drops to a fresh 50.7°F (10.4°C) during the night in the month of September.Humidity
In Idlewild, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.14" (29mm) of precipitation.Snowfall
June 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 7:07 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:25 pm EDT.
Sunshine
In Idlewild, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Idlewild, MI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Idlewild, MI
- Average pressure in September: 30.02"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
Idlewild, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Idlewild, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Idlewild, MI
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in September
Idlewild, MI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Idlewild, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Idlewild, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Idlewild, MI
- Average daylight in September: 12h and 30min
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: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Idlewild, MI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in September
Idlewild, MI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Idlewild, MI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Idlewild, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
