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 in New Haven, Indiana, results in a small decrease in the average high-temperature, moderately receding from a warm 79.3°F (26.3°C) in August to a still moderately hot 73.9°F (23.3°C). During the nights in September, New Haven experiences a consistent average temperature of 55.4°F (13°C).Humidity
In September, the average relative humidity in New Haven, Indiana, is 79%.Rainfall
In New Haven, in September, during 12.9 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In New Haven, Indiana, during the entire year, the rain falls for 151.9 days and collects up to 23.39" (594mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in New Haven, Indiana, is 12h and 28min.On the first day of September, sunrise is at 7:07 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine in New Haven is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the usual temperature for New Haven in September?
What is the average humidity in September in New Haven?
How many days does it rain in September in New Haven?
When it does not snow in New Haven?
Does it snow in New Haven in September?
How many hours of daylight does New Haven have in September?
When are sunrise and sunset in September in New Haven?
How many hours of sunshine does New Haven have in September?
What is the UV index intensity in September in New Haven?
Average temperature in September
New Haven, IN
- Average high temperature in September: 73.9°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 (30.7°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
New Haven, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
New Haven, IN
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
New Haven, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
New Haven, IN
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in September
New Haven, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
New Haven, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Haven, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Haven, IN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
New Haven, IN
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
New Haven, 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
New Haven, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
New Haven, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
New Haven, Indiana, USA
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