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 brings a minor shift in the average high-temperature, adjusting from a moderately hot 76.6°F (24.8°C) in August to a pleasant 70.5°F (21.4°C). Richville's nights in September cool down to an average low-temperature of 53.1°F (11.7°C).Humidity
In Richville, the average relative humidity in September is 80%.Rainfall
In Richville, in September, during 11.7 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Richville, there are 140.2 rainfall days, and 20.79" (528mm) of precipitation is accumulated.Snowfall
In Richville, 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 6:59 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Richville, Michigan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Richville?
What is the average humidity in September in Richville?
How many days does it rain in September in Richville?
When it does not snow in Richville?
Does it snow in Richville in September?
How many hours of daylight does Richville have in September?
What time are sunrise and sunset in September in Richville?
How many hours of sunshine does Richville have in September?
What is the UV index reading in September in Richville?
Average temperature in September
Richville, MI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 53.1°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 (16.2°F).
Average pressure in September
Richville, 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
Richville, MI
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Richville, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Richville, MI
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Richville, MI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Richville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richville, 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: 7h and 5min
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
Richville, MI
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Richville, 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
Richville, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Richville, 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).
Richville, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location