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
As August transitions into September, Blountsville sees a gentle drop in the average high-temperature, transitioning from a moderately hot 79.2°F (26.2°C) to a still warm 73.8°F (23.2°C). During the month of September, Blountsville experiences a steady low-temperature average of 56.3°F (13.5°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Blountsville, in September, it is raining for 14.6 days, with typically 2.09" (53mm) of accumulated precipitation. In Blountsville, during the entire year, the rain falls for 168.3 days and collects up to 33.11" (841mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Blountsville is 12h and 26min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine in Blountsville is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Blountsville in September?
What is the average humidity in September in Blountsville?
How much does it rain in Blountsville in September?
When it does not snow in Blountsville?
Does it snow in Blountsville in September?
What is the average length of the day in September in Blountsville?
When are sunrise and sunset in September in Blountsville?
How many hours of sunshine does Blountsville have in September?
What is the UV index reading in September in Blountsville?
Average temperature in September
Blountsville, IN
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Blountsville, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Blountsville, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Blountsville, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Blountsville, IN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in September
Blountsville, IN
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Blountsville, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Blountsville, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blountsville, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Blountsville, IN
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Blountsville, IN
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Blountsville, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Blountsville, IN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Blountsville, Indiana, USA
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