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 signifies a gentle decline in Annandale's average high-temperature, easing from a warm 78.1°F (25.6°C) in August to an agreeable 70.7°F (21.5°C). Annandale witnesses a consistent average low-temperature of 51.8°F (11°C) throughout September.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 1.42" (36mm) of precipitation is accumulated. In Annandale, Minnesota, during the entire year, the rain falls for 116.4 days and collects up to 19.41" (493mm) of precipitation.Snowfall
In Annandale, Minnesota, snow does not fall in June through September.Daylight
In Annandale, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:53 pm. On the last day of September, in Annandale, sunrise is at 7:14 am and sunset at 6:58 pm CDT.
Sunshine
In Annandale, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Annandale is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Make use of precautions - It is urged to ward off sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the average September temperature in Annandale?
What is the average humidity in September in Annandale?
How much does it rain in Annandale in September?
When it does not snow in Annandale?
Does it snow in Annandale in September?
How many hours of daylight does Annandale have in September?
When are sunrise and sunset in September in Annandale?
How long on average sun shines in September in Annandale?
What is the UV index intensity in September in Annandale?
Average temperature in September
Annandale, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (6.4°F).
Average pressure in September
Annandale, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Annandale, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Annandale, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Annandale, MN
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Annandale, MN
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Annandale, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Annandale, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Annandale, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Annandale, MN
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are January and October (20.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Annandale, MN
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Annandale, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Annandale, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Annandale, Minnesota, USA
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