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 shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 77.9°F (25.5°C) from 83.5°F (28.6°C). During September, Erasmus records a consistent average nighttime temperature of 58.3°F (14.6°C).Humidity
In Erasmus, the average relative humidity in September is 79%.Rainfall
In Erasmus, in September, it is raining for 16.2 days, with typically 3.43" (87mm) of accumulated precipitation. In Erasmus, during the entire year, the rain falls for 198.6 days and collects up to 51.73" (1314mm) of precipitation.Snowfall
In Erasmus, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:13 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:25 pm CDT.
Sunshine
In Erasmus, Tennessee, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Erasmus?
What is the UV index intensity in September?
Average temperature in September
Erasmus, TN
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in September
Erasmus, 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 (29.98"Hg).
Average wind speed in September
Erasmus, TN
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Erasmus, TN
- Average humidity in September: 79%
The months with the highest relative humidity are February, March and December (81%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Erasmus, TN
- Average rainfall in September: 3.43"
The wettest month (with the highest rainfall) is July (5.51").
The driest month (with the least rainfall) is November (3.15").
Average rainfall days in September
Erasmus, TN
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in September
Erasmus, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Erasmus, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 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
Erasmus, 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 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Erasmus, TN
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is October (16.2 days).
The months with the least sunshine days are June and July (7.8 days).
Average UV index in September
Erasmus, TN
- Average UV index in September: 4
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
Erasmus, TN
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Erasmus, TN
- Average visibility in September: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
Erasmus, Tennessee, USA
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