September weather forecastMiddlebury, IN
September
Weather in September
September, the first month of the autumn in Middlebury, is still a pleasant month, with an average temperature ranging between min 54.5°F (12.5°C) and max 72.5°F (22.5°C).Temperature
As August transitions into September, Middlebury sees a gentle drop in the average high-temperature, transitioning from a warm 78.3°F (25.7°C) to an agreeable 72.5°F (22.5°C). Middlebury's average low-temperature is measured at a cool 54.5°F (12.5°C) during September.Humidity
In September, the average relative humidity in Middlebury is 80%.Rainfall
In Middlebury, during September, the rain falls for 13.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Middlebury, during the entire year, the rain falls for 156.3 days and collects up to 22.28" (566mm) of precipitation.Snowfall
In Middlebury, snow does not fall in June through September.Daylight
In Middlebury, Indiana, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 7:09 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In Middlebury, 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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Middlebury, IN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Middlebury, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Middlebury, IN
- Average wind speed in September: 7.1mph
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 (6.3mph).
Average humidity in September
Middlebury, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Middlebury, IN
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Middlebury, IN
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Middlebury, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Middlebury, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Middlebury, IN
- Average daylight in September: 12h and 30min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Middlebury, IN
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Middlebury, IN
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Middlebury, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Middlebury, IN
- 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).





