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 advent of September brings a slight shift in average high-temperature, moving from a warm 79.3°F (26.3°C) in August to a pleasant 72.9°F (22.7°C). Warren encounters a steady low-temperature average of 57.2°F (14°C) throughout the month of September.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Warren, during the entire year, the rain falls for 125.8 days and collects up to 15.87" (403mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
In Warren, the average sunshine in September is 8.1h.UV index
In Warren, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in Warren in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Warren have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Warren have in September?
What is the UV index reading in September?
Average temperature in September
Warren, MI
- Average high temperature in September: 72.9°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 (28.8°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Warren, MI
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Warren, MI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Warren, MI
- Average humidity in September: 74%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Warren, MI
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January, February and December (0.87").
Average rainfall days in September
Warren, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Warren, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Warren, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Warren, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Warren, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Warren, MI
- Average UV index in September: 4
The months with the highest UV index are 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
Warren, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Warren, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Warren, Michigan, USA
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