September weather forecastGlenhall, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in Glenhall, Indiana, with an average temperature ranging between min 57°F (13.9°C) and max 75.6°F (24.2°C).Temperature
Transitioning into September, Glenhall experiences an average high-temperature of a still warm 75.6°F (24.2°C), marking a minor shift from the preceding month. During September, the average low-temperature is a refreshing 57°F (13.9°C).Humidity
In Glenhall, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.1" (28mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 7:16 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 7:31 pm EDT.
Sunshine
In Glenhall, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glenhall, IN
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Glenhall, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Glenhall, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Glenhall, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Glenhall, IN
- Average rainfall in September: 1.1"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in September
Glenhall, IN
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Glenhall, IN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Glenhall, IN
- 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glenhall, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Glenhall, IN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Glenhall, IN
- Average UV index in September: 5
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
Glenhall, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Glenhall, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





