September weather forecastSaint Albans, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Saint Albans, Missouri, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 79.7°F (26.5°C).Temperature
A subtle shift in Saint Albans's weather is observed as August turns into September, with the average high temperature reducing from a tropical 86.5°F (30.3°C) to a warm 79.7°F (26.5°C). Throughout the month of September, the average temperature dips to a mild 59.7°F (15.4°C) at night.Humidity
In September, the average relative humidity is 73%.Rainfall
In September, in Saint Albans, the rain falls for 11.4 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Saint Albans, Missouri, during the entire year, the rain falls for 138.9 days and collects up to 28.54" (725mm) of precipitation.Snowfall
In Saint Albans, snow does not fall in April through October.Daylight
In Saint Albans, the average length of the day in September is 12h and 25min.On the first day of September in Saint Albans, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Saint Albans, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint Albans, MO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Saint Albans, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Saint Albans, MO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Saint Albans, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Saint Albans, MO
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Saint Albans, MO
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Saint Albans, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Saint Albans, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Saint Albans, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Saint Albans, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Saint Albans, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Saint Albans, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in September
Saint Albans, 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).
