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 commencement of September notes an average high-temperature of a pleasant 71.8°F (22.1°C), exhibiting little difference from the previous month. September brings an average low-temperature of 57.7°F (14.3°C) to Watervliet.Humidity
The average relative humidity in September is 78%.Rainfall
In Watervliet, during September, the rain falls for 12.6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Watervliet, during the entire year, the rain falls for 129.4 days and collects up to 14.57" (370mm) of precipitation.Snowfall
In Watervliet, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:27 pm EDT.
Sunshine
In Watervliet, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Watervliet is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average September temperature in Watervliet?
What is the average humidity in September in Watervliet?
How much does it rain in Watervliet in September?
When it does not snow in Watervliet?
Does it snow in Watervliet in September?
How many hours of daylight does Watervliet have in September?
When are sunrise and sunset in September in Watervliet?
How many hours of sunshine does Watervliet have in September?
How high is the UV index in September in Watervliet?
Average temperature in September
Watervliet, MI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Watervliet, MI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Watervliet, MI
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Watervliet, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Watervliet, MI
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Watervliet, MI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Watervliet, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Watervliet, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Watervliet, 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 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Watervliet, MI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is March (17.1 days).
The month with the least sunshine days is January (12.2 days).
Average UV index in September
Watervliet, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Watervliet, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Watervliet, 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).
Watervliet, Michigan, USA
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