September weather forecastCrestwood, IN
September
Weather in September
September, the first month of the autumn in Crestwood, is also an agreeable month, with an average temperature fluctuating between 55.2°F (12.9°C) and 73°F (22.8°C).Temperature
The average high-temperature slightly decreases in September, shifting from a warm 78.6°F (25.9°C) in August to an agreeable 73°F (22.8°C). The mean low-temperature during September nights is a fresh 55.2°F (12.9°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Crestwood, in September, it is raining for 10.9 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 125.3 rainfall days, and 13.11" (333mm) of precipitation is accumulated.Snowfall
In Crestwood, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 7:07 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In Crestwood, 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 ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Crestwood, IN
- Average high temperature in September: 73°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 (30.2°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Crestwood, 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
Crestwood, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Crestwood, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Crestwood, IN
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Crestwood, IN
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in September
Crestwood, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Crestwood, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Crestwood, 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: 8h and 0min
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 18min).
Average sunshine days in September
Crestwood, IN
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Crestwood, 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
Crestwood, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Crestwood, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
