September weather forecastOshtemo, MI
September
Weather in September
September, the first month of the autumn in Oshtemo, is still a pleasant month, with an average temperature varying between 54.5°F (12.5°C) and 72.5°F (22.5°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 78.4°F (25.8°C) in August to a pleasant 72.5°F (22.5°C). An average low-temperature of 54.5°F (12.5°C) is common during the nights of September.Humidity
In Oshtemo, Michigan, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.4 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Oshtemo, snow does not fall in June through September.Daylight
In Oshtemo, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oshtemo, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Oshtemo, MI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Oshtemo, MI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Oshtemo, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Oshtemo, MI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Oshtemo, MI
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Oshtemo, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oshtemo, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oshtemo, MI
- Average daylight in September: 12h and 30min
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: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Oshtemo, MI
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Oshtemo, MI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Oshtemo, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Oshtemo, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
