September weather forecastRavenna, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Ravenna, Michigan, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 55.4°F (13°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 77°F (25°C) to a pleasant 70.5°F (21.4°C). During September, Ravenna experiences a consistent low-temperature average of 55.4°F (13°C).Humidity
In Ravenna, Michigan, the average relative humidity in September is 77%.Rainfall
The months with the least rainfall in Ravenna are February, September and December Rain falls for 8.5 days and accumulates 0.63" (16mm) of rain.Snowfall
In Ravenna, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:18 pm. On the last day of September, in Ravenna, sunrise is at 7:40 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Ravenna, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ravenna, MI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Ravenna, 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
Ravenna, MI
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Ravenna, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Ravenna, MI
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is April (1.22").
The driest months (with the least rainfall) are February, September and December (0.63").
Average rainfall days in September
Ravenna, MI
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Ravenna, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ravenna, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ravenna, 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 0min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Ravenna, MI
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is February (14.4 days).
Average UV index in September
Ravenna, MI
- Average UV index in September: 4
The months with the highest UV index are 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
Ravenna, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Ravenna, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
