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 arrival of September signals a subtle shift in temperature, down from 82.9°F (28.3°C) in August to a still warm 77.5°F (25.3°C). September nights cool down to an average low-temperature of 57.7°F (14.3°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 2.28" (58mm) of precipitation is accumulated. In Alexandria, during the entire year, the rain falls for 140.6 days and collects up to 27.72" (704mm) of precipitation.Snowfall
In Alexandria, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Alexandria, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Stay sun-safe with clothing that is both closely woven and worn loosely.
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 many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Alexandria have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Alexandria?
What is the UV index reading in September?
Average temperature in September
Alexandria, MO
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Alexandria, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Alexandria, MO
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Alexandria, MO
- Average humidity in September: 74%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Alexandria, MO
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Alexandria, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Alexandria, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Alexandria, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alexandria, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Alexandria, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Alexandria, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Alexandria, MO
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Alexandria, MO
- 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).
Alexandria, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location