September weather forecastRoanoke Station, IN
September
Weather in September
September, the first month of the autumn in Roanoke Station, is still a warm month, with an average temperature fluctuating between 73.8°F (23.2°C) and 55.8°F (13.2°C).Temperature
Roanoke Station in September experiences a gentle temperature dip, with average high-temperatures reducing from 79.3°F (26.3°C) in August to a still warm 73.8°F (23.2°C). In Roanoke Station, an average temperature of 55.8°F (13.2°C) is noted during September nights.Humidity
In September, the average relative humidity in Roanoke Station is 79%.Rainfall
In Roanoke Station, during September, the rain falls for 10.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Roanoke Station, there are 125.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.Snowfall
In Roanoke Station, snow does not fall in June through September.Daylight
In Roanoke Station, the average length of the day in September is 12h and 27min.On the first day of September in Roanoke Station, sunrise is at 7:08 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:24 pm EDT.
Sunshine
In Roanoke Station, the average sunshine in September is 8h.UV index
In Roanoke Station, Indiana, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roanoke Station, IN
- Average high temperature in September: 73.8°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 (19.2°F).
Average pressure in September
Roanoke Station, 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
Roanoke Station, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Roanoke Station, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Roanoke Station, IN
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Roanoke Station, IN
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Roanoke Station, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Roanoke Station, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roanoke Station, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Roanoke Station, IN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Roanoke Station, 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
Roanoke Station, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Roanoke Station, 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).





