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
Upon the beginning of September, South Haven's high-temperatures register at an agreeable 73°F (22.8°C), closely mirroring the preceding month. During the September nights, an average temperature of 58.5°F (14.7°C) is observed.Humidity
In September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In South Haven, during the entire year, the rain falls for 157.4 days and collects up to 23.9" (607mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in South Haven, sunrise is at 6:15 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:31 pm CDT.
Sunshine
In South Haven, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in South Haven?
What is the average humidity in September in South Haven?
How many days does it rain in September in South Haven?
When it does not snow in South Haven?
What is the average length of the day in September in South Haven?
When is the sunrise / sunset in September in South Haven?
How long on average sun shines in September in South Haven?
How high is the UV index in September in South Haven?
Average temperature in September
South Haven, IN
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
South Haven, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
South Haven, IN
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
South Haven, IN
- Average humidity in September: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
South Haven, IN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
South Haven, IN
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
South Haven, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
South Haven, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
South 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 12min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
South Haven, IN
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is November (15.7 days).
The months with the least sunshine days are June and August (10.4 days).
Average UV index in September
South Haven, IN
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
South Haven, IN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
South Haven, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
South Haven, Indiana, USA
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