Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from 85.1°F (29.5°C) in August to a still warm 79.7°F (26.5°C). The average low-temperature during September nights is a refreshing 60.6°F (15.9°C).Humidity
In Russell Hill, the average relative humidity in September is 77%.Rainfall
In Russell Hill, during September, the rain falls for 13.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 166.5 rainfall days, and 35.55" (903mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Russell Hill, Tennessee.Daylight
The average length of the day in September in Russell Hill 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
In September, the average sunshine is 8.1h.UV index
In Russell Hill, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Russell Hill?
What is the average humidity in September in Russell Hill?
How many days does it rain in September in Russell Hill?
When it does not snow in Russell Hill?
What is the average length of the day in September in Russell Hill?
What time are sunrise and sunset in September in Russell Hill?
How long on average sun shines in September in Russell Hill?
What is the UV index intensity in September in Russell Hill?
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 2min
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 1min
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).
Russell Hill, Tennessee, USA
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