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 onset of September, the average high-temperature subtly recedes from August's warm 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). September in Erie is noted for a mean low-temperature of 57°F (13.9°C).Humidity
In September, the average relative humidity in Erie is 78%.Rainfall
In Erie, in September, during 11.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Erie, during the entire year, the rain falls for 134 days and collects up to 15.08" (383mm) of precipitation.Snowfall
In Erie, snow does not fall in May through October.Daylight
In Erie, the average length of the day in September is 12h and 28min.On the first day of September in Erie, Michigan, sunrise is at 7:00 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:16 pm EDT.
Sunshine
In Erie, the average sunshine in September is 8.2h.UV index
In Erie, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Erie?
What is the average humidity in September in Erie?
How many days does it rain in September in Erie?
When it does not snow in Erie?
What is the average length of the day in September in Erie?
When is the sunrise / sunset in September in Erie?
How long on average sun shines in September in Erie?
What is the UV index intensity in September in Erie?
Average temperature in September
Erie, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Erie, MI
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Erie, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Erie, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Erie, MI
- Average rainfall in September: 0.87"
The wettest months (with the highest rainfall) are May and June (1.97").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in September
Erie, MI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Erie, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Erie, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Erie, 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: 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: 3h and 18min).
Average sunshine days in September
Erie, MI
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Erie, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Erie, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Erie, 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).
Erie, Michigan, USA
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