September weather forecastGulliver, MI
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Gulliver, Michigan, with an average temperature fluctuating between 52.7°F (11.5°C) and 65.7°F (18.7°C).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 72.7°F (22.6°C) to an enjoyable 65.7°F (18.7°C). In Gulliver, the nighttime temperature averages to a fresh 52.7°F (11.5°C) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In Gulliver, in September, during 12.3 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 128.3 rainfall days, and 22.52" (572mm) of precipitation is accumulated.Snowfall
In Gulliver, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 7:05 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:25 pm EDT.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gulliver, MI
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Gulliver, MI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Gulliver, MI
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
Gulliver, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Gulliver, MI
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Gulliver, MI
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Gulliver, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Gulliver, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gulliver, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Gulliver, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in September
Gulliver, MI
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Gulliver, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Gulliver, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





