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's average high-temperature stands at a still warm 74.3°F (23.5°C), showing little deviation from August's 79.3°F (26.3°C). Matthews observes an average nighttime low-temperature of 56.3°F (13.5°C) during the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. In Matthews, during the entire year, the rain falls for 157.2 days and collects up to 29.72" (755mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Matthews, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:10 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:25 pm EDT.
Sunshine
In Matthews, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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 is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Matthews have in September?
What is the UV index reading in September?
Average temperature in September
Matthews, IN
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.6°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 (19.9°F).
Average pressure in September
Matthews, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Matthews, IN
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Matthews, IN
- Average humidity in September: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Matthews, IN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in September
Matthews, IN
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Matthews, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Matthews, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Matthews, 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 18min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Matthews, IN
- Average sunshine days in September: 14.8 days
The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in September
Matthews, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Matthews, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in September
Matthews, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Matthews, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location