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
With the arrival of September, Richland experiences a modest decline in average high-temperatures, transitioning from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.5°F (22.5°C). Richland, during September, witnesses an average low-temperature of 53.4°F (11.9°C).Humidity
In September, the average relative humidity in Richland is 79%.Rainfall
In Richland, in September, during 12.5 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Richland, during the entire year, the rain falls for 144.9 days and collects up to 20" (508mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Richland, Michigan, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine in Richland is 8.1h.UV index
In Richland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Ensure safety - Sun damage prevention is strongly urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Richland?
What is the average humidity in September in Richland?
How much does it rain in Richland in September?
When it does not snow in Richland?
Does it snow in Richland in September?
What is the average length of the day in September in Richland?
When are sunrise and sunset in September in Richland?
How many hours of sunshine does Richland have in September?
What is the UV index intensity in September in Richland?
Average temperature in September
Richland, 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 (28.2°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Richland, 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
Richland, MI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in September
Richland, 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
Richland, MI
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in September
Richland, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Richland, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Richland, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richland, 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 6min).
- Average sunshine in September: 8h and 1min
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 42min).
Average sunshine days in September
Richland, MI
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Richland, MI
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Richland, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Richland, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Richland, Michigan, USA
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