September weather forecastHolton, MI
September
Weather in September
September, the first month of the autumn in Holton, is also an agreeable month, with an average temperature varying between 71.2°F (21.8°C) and 53.1°F (11.7°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 71.2°F (21.8°C) from August's warm 77.9°F (25.5°C). An average low-temperature of 53.1°F (11.7°C) is common during the nights of September.Humidity
The average relative humidity in September is 78%.Rainfall
In September, in Holton, the rain falls for 11.9 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 134.2 rainfall days, and 23.74" (603mm) of precipitation is accumulated.Snowfall
In Holton, 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 the month, sunrise is at 7:09 am and sunset at 8:19 pm. On the last day of September, in Holton, sunrise is at 7:41 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Holton, Michigan, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holton, MI
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Holton, 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
Holton, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Holton, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Holton, MI
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Holton, MI
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Holton, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holton, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holton, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Holton, MI
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is January (8.1 days).
Average UV index in September
Holton, MI
- Average UV index in September: 4
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, November and December (UV index 1).
Average cloud cover in September
Holton, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Holton, 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).
