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 brings an average high-temperature of a still warm 78.6°F (25.9°C), nearly matching the August temperature. The average temperature during September nights dips to a mild 60.6°F (15.9°C).Humidity
In Fort Branch, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 0.91" (23mm) of precipitation.Snowfall
In Fort Branch, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:20 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:34 pm CDT.
Sunshine
In Fort Branch, the average sunshine in September is 9.1h.UV index
In Fort Branch, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Fort Branch?
When it does not snow?
How many hours of daylight does Fort Branch have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Fort Branch have in September?
What is the UV index intensity in September in Fort Branch?
Average temperature in September
Fort Branch, IN
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Fort Branch, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Fort Branch, IN
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Fort Branch, IN
- Average humidity in September: 73%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Fort Branch, IN
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is April (2.28").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in September
Fort Branch, IN
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Fort Branch, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fort Branch, IN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Fort Branch, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Fort Branch, IN
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Fort Branch, IN
- 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
Fort Branch, IN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Fort Branch, 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).
Fort Branch, Indiana, USA
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