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 is marked by a subtle drop in average high-temperatures, transitioning from a warm 78.3°F (25.7°C) in August to a pleasant 71.8°F (22.1°C). In the month of September, the average low-temperature usually rests at a fresh 54.5°F (12.5°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Salem, in September, it is raining for 11.5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Salem, there are 121.2 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Salem, the average length of the day in September is 12h and 28min.On the first day of September in Salem, sunrise is at 7:00 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine in Salem is 7.9h.UV index
In September, the average daily maximum UV index in Salem is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Salem?
What is the average humidity in September in Salem?
How many days does it rain in September in Salem?
When it does not snow in Salem?
Does it snow in Salem in September?
How many hours of daylight does Salem have in September?
When is the sunrise / sunset in September in Salem?
How many hours of sunshine does Salem have in September?
What is the UV index intensity in September in Salem?
Average temperature in September
Salem, MI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Salem, 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
Salem, MI
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Salem, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Salem, MI
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Salem, MI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Salem, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Salem, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Salem, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Salem, MI
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Salem, MI
- Average UV index in September: 3
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
Salem, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Salem, MI
- 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).
Salem, Michigan, USA
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