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
Fortville experiences an average high-temperature of a still moderately hot 75.4°F (24.1°C) in September, subtly different from August's 80.2°F (26.8°C). Throughout the month of September, Fortville reports a steady low-temperature average of 57.4°F (14.1°C).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.31" (8mm) of precipitation.Snowfall
In Fortville, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 7:11 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Fortville have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Fortville, IN
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.4°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 (20.7°F).
Average pressure in September
Fortville, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Fortville, IN
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Fortville, IN
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Fortville, IN
- Average rainfall in September: 0.31"
The wettest months (with the highest rainfall) are May and June (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in September
Fortville, IN
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Fortville, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fortville, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.1 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
Fortville, 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 June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Fortville, IN
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (15.3 days).
Average UV index in September
Fortville, IN
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Fortville, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Fortville, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Fortville, Indiana, USA
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