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
With the arrival of September, Summitville's average high-temperature registers at a still moderately hot 74.3°F (23.5°C), indicating a subtle variation from the previous month. Summitville experiences an average temperature drop to a moderate 56.8°F (13.8°C) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.28" (7mm) of precipitation.Snowfall
In Summitville, snow does not fall in May through September.Daylight
In September, the average length of the day 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 Summitville, the average sunshine in September is 8.2h.UV index
In Summitville, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. 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 average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Summitville have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Summitville, 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 (32°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Summitville, 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
Summitville, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Summitville, 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
Summitville, IN
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is May (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Summitville, IN
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is May (10.6 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Summitville, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.51").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Summitville, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Summitville, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Summitville, IN
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is May (15.4 days).
Average UV index in September
Summitville, 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
Summitville, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 32).
Average visibility in September
Summitville, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Summitville, Indiana, USA
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