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 onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.4°F (25.8°C). The temperature lowers to an average of 59.7°F (15.4°C) during September nights.Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Birmingham, there are 132.1 rainfall days, and 26.97" (685mm) of precipitation is accumulated.Snowfall
In Birmingham, snow does not fall in June through September.Daylight
The average length of the day in September in Birmingham is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of September, in Birmingham, sunrise is at 7:13 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September in Birmingham is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the average September temperature in Birmingham?
What is the average humidity in September in Birmingham?
How many days does it rain in September in Birmingham?
When it does not snow in Birmingham?
Does it snow in Birmingham in September?
What is the average length of the day in September in Birmingham?
When are sunrise and sunset in September in Birmingham?
How long on average sun shines in September in Birmingham?
What is the UV index intensity in September in Birmingham?
Average temperature in September
Birmingham, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Birmingham, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Birmingham, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Birmingham, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in September
Birmingham, MO
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Birmingham, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Birmingham, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Birmingham, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Birmingham, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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: 5h and 6min).
Average sunshine days in September
Birmingham, MO
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in September
Birmingham, 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
Birmingham, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Birmingham, 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).
Birmingham, Missouri, USA
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