September weather forecast
Grant City, MO

• 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

Average temperature in September
Grant City, MO

• Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).

• Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in September
Grant City, 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 (29.88"Hg).

Average wind speed in September
Grant City, MO

• Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in September
Grant City, MO

• Average humidity in September: 76%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are October and November (71%).

Average rainfall in September
Grant City, MO

• Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is June (3.98").
The driest months (with the least rainfall) are January and February (0.91").

Average rainfall days in September
Grant City, MO

• Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in September
Grant City, MO

• Average snowfall in September: 0"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Grant City, MO

• Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grant City, 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 18min).

• 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 42min).

Average sunshine days in September
Grant City, MO

• Average sunshine days in September: 16.7 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Grant City, MO

• Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Grant City, MO

• Average cloud cover in September: 29

The months with the most cloud cover are January and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Grant City, 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).