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
In September, the average high-temperature marginally decreases from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.1°F (21.7°C). An average low-temperature of 53.2°F (11.8°C) is expected during September.Humidity
The average relative humidity in September is 80%.Rainfall
In Allenton, Michigan, during September, the rain falls for 13.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 148.3 rainfall days, and 22.72" (577mm) of precipitation is accumulated.Snowfall
In Allenton, 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 6:57 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Allenton is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Allenton in September?
How many hours of daylight does Allenton have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Allenton, MI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Allenton, 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 (29.93"Hg).
Average wind speed in September
Allenton, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Allenton, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Allenton, MI
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.76").
The driest months (with the least rainfall) are February and December (1.3").
Average rainfall days in September
Allenton, MI
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (16.6 days).
The months with the least rainy days are January and February (5.9 days).
Average snowfall in September
Allenton, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Allenton, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Allenton, MI
- Average daylight in September: 12h and 3min
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 6min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Allenton, MI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (14.4 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in September
Allenton, 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
Allenton, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Allenton, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Allenton, Michigan, USA
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