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
September brings a minor shift in the average high-temperature, adjusting from a hot 87.8°F (31°C) in August to a warm 79.7°F (26.5°C). Despite the intense daytime heat, Fort Lupton sustains a steady low-temperature average of 53.8°F (12.1°C) during September.Humidity
In Fort Lupton, the average relative humidity in September is 42%.Rainfall
In Fort Lupton, during September, the rain falls for 8.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Fort Lupton, Colorado, during the entire year, the rain falls for 96 days and collects up to 11.1" (282mm) of precipitation.Snowfall
In Fort Lupton, snow does not fall in June through September.Daylight
The average length of the day in September in Fort Lupton is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, in Fort Lupton, Colorado, sunrise is at 6:55 am and sunset at 6:42 pm MDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
In Fort Lupton, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Undertake protective steps - Preventing sun damage is advised. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Fort Lupton?
What is the average humidity in September in Fort Lupton?
How many days does it rain in September in Fort Lupton?
When it does not snow in Fort Lupton?
Does it snow in Fort Lupton in September?
What is the average length of the day in September in Fort Lupton?
What time are sunrise and sunset in September in Fort Lupton?
How long on average sun shines in September in Fort Lupton?
How high is the UV index in September in Fort Lupton?
Average temperature in September
Fort Lupton, CO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in September
Fort Lupton, CO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Fort Lupton, CO
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).
Average humidity in September
Fort Lupton, CO
- Average humidity in September: 42%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Fort Lupton, CO
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Fort Lupton, CO
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January, February and December (2.4 days).
Average snowfall in September
Fort Lupton, CO
- Average snowfall in September: 0"
The month with the highest snowfall is April (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fort Lupton, CO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fort Lupton, CO
- 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: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in September
Fort Lupton, CO
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Fort Lupton, CO
- 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
Fort Lupton, CO
- Average cloud cover in September: 16
The month with the most cloud cover is April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in September
Fort Lupton, CO
- 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).
Fort Lupton, Colorado, USA
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