September weather forecast
Fortescue, MO

Share

Weather in September

September, the first month of the autumn in Fortescue, is also a moderately hot month, with an average temperature fluctuating between 78.3°F (25.7°C) and 58.3°F (14.6°C).

Temperature

Fortescue's progression into September involves a gentle drop in the average high-temperature, from 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). In September, Fortescue experiences a temperature dip to an average of 58.3°F (14.6°C) at night.

Humidity

In Fortescue, Missouri, the average relative humidity in September is 72%.

Rainfall

In Fortescue, in September, it is raining for 11.7 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Fortescue, there are 120.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.

Snowfall

In Fortescue, snow does not fall in May through September.

Daylight

In September, the average length of the day in Fortescue is 12h and 26min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm CDT.

Sunshine

In Fortescue, the average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September in Fortescue is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
[Resources]

Frequently asked questions

What is the temperature in September in Fortescue?

Fortescue in September has an average high-temperature of 78.3°F (25.7°C) and an average low-temperature of 58.3°F (14.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Fortescue?

The average relative humidity in September in Fortescue is 72%.

How much does it rain in Fortescue in September?

In Fortescue, Missouri, in September, during 11.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Fortescue?

In Fortescue, Missouri, snow does not fall in May through September.

Does it snow in Fortescue in September?

In Fortescue, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Fortescue have in September?

In September, the average day length is 12h and 26min.

When are sunrise and sunset in September in Fortescue?

In September, on the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of the month, in Fortescue, Missouri, sunrise is at 7:17 am and sunset at 7:04 pm CDT.

How long on average sun shines in September in Fortescue?

In Fortescue, Missouri, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Fortescue?

The average daily maximum UV index in September in Fortescue is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Fortescue, MO

Average temperature in September - Fortescue, MO
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

[Resources]

Average pressure in September
Fortescue, MO

Average pressure in September - Fortescue, MO
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

[Resources]

Average wind speed in September
Fortescue, MO

Average wind speed in September - Fortescue, MO
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

[Resources]

Average humidity in September
Fortescue, MO

Average humidity in September - Fortescue, MO
  • Average humidity in September: 72%

The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).

[Resources]

Average rainfall in September
Fortescue, MO

Average rainfall in September - Fortescue, MO
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").

[Resources]

Average rainfall days in September
Fortescue, MO

Average rainfall days in September - Fortescue, MO
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).

[Resources]

Average snowfall in September
Fortescue, MO

Average snowfall in September - Fortescue, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Fortescue, MO

Average snowfall days in September - Fortescue, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Fortescue, MO

Average daylight in September / Average sunshine in September - Fortescue, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in September
Fortescue, MO

Average sunshine days in September - Fortescue, MO
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).

[Resources]

Average UV index in September
Fortescue, MO

Average UV index in September - Fortescue, 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, November and December (UV index 2).

[Resources]

Average cloud cover in September
Fortescue, MO

Average cloud cover in September - Fortescue, MO
  • Average cloud cover in September: 28

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).

[Resources]

Average visibility in September
Fortescue, MO

Average visibility in September - Fortescue, 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).

[Resources]

Fortescue, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location