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
The onset of September in Jackson, Michigan, brings a small shift in high-temperatures, falling from a warm 77.4°F (25.2°C) in August to an agreeable 71.6°F (22°C). Jackson records a steady low-temperature average of 53.4°F (11.9°C) during September.Humidity
In September, the average relative humidity in Jackson, Michigan, is 80%.Rainfall
In Jackson, in September, it is raining for 13.8 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Jackson, there are 155.4 rainfall days, and 25.59" (650mm) of precipitation is accumulated.Snowfall
In Jackson, Michigan, snow does not fall in June through September.Daylight
The average length of the day in September in Jackson is 12h and 28min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:11 pm. On the last day of September, in Jackson, sunrise is at 7:34 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Jackson is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Jackson?
What is the average humidity in September in Jackson?
How many days does it rain in September in Jackson?
When it does not snow in Jackson?
Does it snow in Jackson in September?
How many hours of daylight does Jackson have in September?
When are sunrise and sunset in September in Jackson?
How many hours of sunshine does Jackson have in September?
What is the UV index reading in September in Jackson?
Average temperature in September
Jackson, MI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Jackson, 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
Jackson, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Jackson, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are March, April and October (78%).
Average rainfall in September
Jackson, MI
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Jackson, MI
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Jackson, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jackson, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jackson, MI
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Jackson, MI
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Jackson, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Jackson, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Jackson, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Jackson, Michigan, USA
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