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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 77.9°F (25.5°C) in August to a pleasant 72.5°F (22.5°C). Nighttime temperatures in Athens hover around an average low of 53.6°F (12°C) in September.Humidity
The average relative humidity in September in Athens, Michigan, is 79%.Rainfall
In Athens, during September, the rain falls for 10 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Athens, during the entire year, the rain falls for 124.6 days and collects up to 13.78" (350mm) of precipitation.Snowfall
In Athens, Michigan, snow does not fall in May through September.Daylight
In September, the average length of the day in Athens, Michigan, is 12h and 28min.On the first day of September in Athens, sunrise is at 7:07 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Athens, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Athens?
What is the average humidity in September in Athens?
How many days does it rain in September in Athens?
When it does not snow in Athens?
Does it snow in Athens in September?
What is the average length of the day in September in Athens?
What time are sunrise and sunset in September in Athens?
How long on average sun shines in September in Athens?
What is the UV index intensity in September in Athens?
Average temperature in September
Athens, MI
- Average high temperature in September: 72.5°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 (28.4°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
Athens, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Athens, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Athens, 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
Athens, MI
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Athens, MI
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Athens, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Athens, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Athens, 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 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Athens, MI
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is January (11.9 days).
Average UV index in September
Athens, MI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Athens, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Athens, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Athens, Michigan, USA
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