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 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 commencement of September brings an average high-temperature of a still torrid 96.6°F (35.9°C), marking an inconsequential divergence from August. Gillespie's nighttime temperature in September falls to an average of 79.5°F (26.4°C).Humidity
The average relative humidity in September is 30%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 57.6 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:06 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 6:17 pm MST.
Sunshine
The average sunshine in September in Gillespie is 9.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 7 in September leads to these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Gillespie have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Gillespie?
What is the UV index intensity in September?
Average temperature in September
Gillespie, AZ
- Average high temperature in September: 96.6°F
The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in September: 79.5°F
The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).
Average pressure in September
Gillespie, AZ
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in September
Gillespie, AZ
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in September
Gillespie, AZ
- Average humidity in September: 30%
The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Gillespie, AZ
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").
Average rainfall days in September
Gillespie, AZ
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).
Average daylight in September /
Average sunshine in September
Gillespie, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Gillespie, AZ
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Gillespie, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Gillespie, AZ
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Gillespie, AZ
- 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).
Gillespie, Arizona, USA
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