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 Dimondale, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 77.7°F (25.4°C) to an agreeable 71.8°F (22.1°C). The nights of September anticipate an average low-temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity in Dimondale is 79%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Dimondale, there are 131 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:21 pm EDT.
Sunshine
In Dimondale, Michigan, the average sunshine in September is 8h.UV index
In Dimondale, Michigan, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Dimondale?
How much does it rain in September?
When it does not snow?
Does it snow in Dimondale in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Dimondale have in September?
How high is the UV index in September?
Average temperature in September
Dimondale, MI
- Average high temperature in September: 71.8°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: 52.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Dimondale, 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
Dimondale, MI
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Dimondale, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Dimondale, MI
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are February and November (0.79").
Average rainfall days in September
Dimondale, MI
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Dimondale, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dimondale, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dimondale, 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: 8h and 0min
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
Dimondale, MI
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Dimondale, 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
Dimondale, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Dimondale, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Dimondale, Michigan, USA
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