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
September is characterized by a mild reduction in the average high-temperature, from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). Kirby records a mean low-temperature of 58.1°F (14.5°C) in September.Humidity
In Kirby, the average relative humidity in September is 77%.Rainfall
The months with the least rainfall are September and October Rain falls for 12.4 days and accumulates 1.65" (42mm) of rain.Snowfall
In Kirby, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Kirby, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:30 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Kirby, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kirby in September?
What is the average humidity in September in Kirby?
What is the driest month in Kirby?
How many days does it rain in September in Kirby?
When it does not snow in Kirby?
What is the average length of the day in September in Kirby?
When is the sunrise / sunset in September in Kirby?
How long on average sun shines in September in Kirby?
What is the UV index reading in September in Kirby?
Average temperature in September
Kirby, IN
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Kirby, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Kirby, IN
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Kirby, IN
- Average humidity in September: 77%
The months with the highest relative humidity are May and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Kirby, IN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is April (3.11").
The driest months (with the least rainfall) are September and October (1.65").
Average rainfall days in September
Kirby, IN
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Kirby, IN
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Kirby, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 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
Kirby, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Kirby, IN
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in September
Kirby, IN
- 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, October and December (UV index 2).
Average cloud cover in September
Kirby, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Kirby, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Kirby, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location