September weather forecastHerbamount, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Herbamount, Indiana, with an average temperature ranging between max 76.1°F (24.5°C) and min 58.1°F (14.5°C).Temperature
In the transition to September, Herbamount observes a minor drop in the average high-temperature, shifting from a moderately hot 81.9°F (27.7°C) in August to a still warm 76.1°F (24.5°C). Throughout the month of September, Herbamount observes an average nighttime temperature of 58.1°F (14.5°C).Humidity
In Herbamount, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.65" (42mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Herbamount is 12h and 26min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:29 pm EDT.
Sunshine
In Herbamount, the average sunshine in September is 8.2h.UV index
In Herbamount, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Herbamount, IN
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
Herbamount, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Herbamount, IN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Herbamount, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Herbamount, IN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Herbamount, IN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Herbamount, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Herbamount, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Herbamount, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Herbamount, IN
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Herbamount, IN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Herbamount, IN
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Herbamount, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are July, August and December (5mi).
