September weather forecastBrierwood Hills, IN
September
Weather in September
September in Brierwood Hills, Indiana, USA marks the onset of autumn, showcasing a noticeable transition in temperatures and surroundings. With temperatures reading from 55.8°F (13.2°C) to 73.9°F (23.3°C) on an average and a decreased daylight window of 12.5 hours, the climate hints at the forthcoming seasonal change. The moderate temperature range and decreased rainfall make it a pleasant time for outdoor activities. The leaves' change from green to vibrant fall colors welcomes October's cooler temperatures and continued autumnal experiences.Temperature
September in Brierwood Hills signals a slight drop in average high-temperature, sliding from August's warm 79.3°F (26.3°C) to a still moderately hot 73.9°F (23.3°C). Brierwood Hills experiences an average low-temperature reading of 55.8°F (13.2°C) throughout September.Humidity
In Brierwood Hills, the average relative humidity in September is 79%.Rainfall
In Brierwood Hills, in September, it is raining for 11.2 days, with typically 1.1" (28mm) of accumulated precipitation. In Brierwood Hills, during the entire year, the rain falls for 128.5 days and collects up to 15" (381mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Brierwood Hills, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:13 pm. On the last day of September, in Brierwood Hills, sunrise is at 7:37 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September is 7.9h.UV index
In Brierwood Hills, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brierwood Hills, IN
- Average high temperature in September: 73.9°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 (30.9°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Brierwood Hills, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Brierwood Hills, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Brierwood Hills, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Brierwood Hills, IN
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Brierwood Hills, IN
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Brierwood Hills, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Brierwood Hills, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.5 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
Brierwood Hills, IN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Brierwood Hills, IN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in September
Brierwood Hills, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Brierwood Hills, IN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Brierwood Hills, IN
- 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).





