September weather forecastRussell Hill, TN
September
Weather in September
September, the first month of the autumn in Russell Hill, is still a warm month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 60.6°F (15.9°C).Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from 85.1°F (29.5°C) in August to a still warm 79.7°F (26.5°C). During the September nights, an average temperature of 60.6°F (15.9°C) is observed.Humidity
In Russell Hill, the average relative humidity in September is 77%.Rainfall
In Russell Hill, in September, during 13.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 166.5 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
In Russell Hill, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Russell Hill is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Russell Hill, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Russell Hill, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Russell Hill, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Russell Hill, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Russell Hill, TN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
Russell Hill, TN
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Russell Hill, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Russell Hill, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Russell Hill, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Russell Hill, TN
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Russell Hill, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Russell Hill, TN
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Russell Hill, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
