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
September marks a gentle change in average high-temperature, declining from August's moderately hot 75.6°F (24.2°C) to an agreeable 69.1°F (20.6°C). In September, Deford reports a consistent average low-temperature of 54°F (12.2°C) during the nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In Deford, during September, the rain falls for 12.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 135.9 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
In Deford, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Deford, sunrise is at 6:57 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:15 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Deford in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Deford have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Deford, MI
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Deford, 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
Deford, MI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Deford, 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 April and May (77%).
Average rainfall in September
Deford, MI
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Deford, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Deford, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Deford, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Deford, MI
- Average daylight in September: 12h and 3min
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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Deford, MI
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in September
Deford, 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, February and December (UV index 1).
Average cloud cover in September
Deford, 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 29).
Average visibility in September
Deford, 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).
Deford, Michigan, USA
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