Hoover weather in September

In September, Hoover sees average daytime highs of 84°F and overnight lows near 65°F, with 3.4 in of rain across 7.8 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 81°F by the end. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Hoover's 3rd-clearest and 9th-windiest month. For the whole year in context, see Hoover's year-round climate.

Daytime high
84°
4th warmest
Overnight low
65°
9th coldest
Rainfall
3.4 in
7.8 wet days
Daylight
12 h 12 min
5:35 AM – 5:48 PM
Cloud cover
51%
3rd clearest
Wind
5 mph
9th windiest
Solar energy
4.8 kWh/m²
Travel score
5.8
out of 10

Hoover is city in Jefferson and Shelby counties in north central Alabama, United States.

Density
680/km²
people per km²
Founded
1850

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 87°F in the first days to 81°F by the end.

A typical September day in Hoover reaches about 84°F in the afternoon and slips back to 65°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 92°F. Set against its neighbours, September runs about 5°F cooler than August and about 10°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18769
28769
38769
48768
58768
68768
78668
88667
98667
108667
118667
128566
138566
148566
158565
168565
178465
188465
198464
208364
218364
228363
238263
248262
258262
268161
278161
288161
298060
308060

How September really feels in Hoover

Once humidity and wind are folded in, September averages 3 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
3
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Hoover weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan54° / 36°4.99.80.5103.2
Feb58° / 38°5.110.70.410.84.2
Mar66° / 45°5.711.40.211.75.9
Apr73° / 52°4.69.7012.86.9
May80° / 61°3.910.3013.76.4
Jun86° / 69°4.313.4014.24.5
Jul89° / 72°4.514.80143.7
Aug89° / 71°3.812.7013.24.0
Sep84° / 65°3.47.8012.25.8
Oct75° / 53°3.47.1011.27.4
Nov64° / 43°4.18.1010.36.1
Dec56° / 38°5.210.50.29.83.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35842
45842
55941
65941
76040
85941
96040
106040
116040
126040
136040
146040
156040
165941
175842
185842
195842
205743
215743
225743
235941
245941
255941
266040
276040
286139
296238
306238

Chance of precipitation in September

Any precipitation

Hoover gets around 3.4 in of rain over 7.8 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
132
231
330
429
529
628
727
826
926
1025
1125
1225
1325
1426
1526
1626
1727
1827
1927
2027
2127
2227
2327
2426
2526
2625
2724
2824
2924
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1261938341
2372038320
3372138310
4472237290
5482337280
6592437260
7592436250
86102535240
96112634230
107122633220
118132632210
128142731200
139152730200
149152729190
1510162728190
1611172827180
1711172826180
1812182825180
1913182824170
2014182824160
2116182723150
2218182723150
2319182722140
2421182622130
2523182621120
2625182521110
2727182521100
282918242190
293018242180
303218232070

Wind in September

Winds average 5 mph in September.

Across September, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 5:25 AM to 5:45 AM, and sunset from 6:09 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:256:09
212.75:266:07
312.75:276:06
412.65:276:05
512.65:286:03
612.65:296:02
712.55:296:00
812.55:305:59
912.55:315:58
1012.45:315:56
1112.45:325:55
1212.35:335:53
1312.35:335:52
1412.35:345:51
1512.25:355:49
1612.25:355:48
1712.25:365:46
1812.15:375:45
1912.15:385:43
2012.15:385:42
2112.05:395:41
2212.05:405:39
2312.05:405:38
2411.95:415:36
2511.95:425:35
2611.85:425:33
2711.85:435:32
2811.85:445:31
2911.75:455:29
3011.75:455:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.8 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 6.14 kWh/m² in May across the year — September's 4.8 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Hoover?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
6th-best month of the year
7.2
Beach & pool
1st-best month of the year

September is a reasonable time to visit Hoover for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hoover in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Hoover sees daytime highs around 84°F and nights near 65°F. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Hoover in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hoover peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 12UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Hoover in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Hoover is worst in July — around 21 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (January, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1720 µg/m³Jan 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb9Good
Mar11Good
Apr10Good
May13Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Hoover?

Hoover sits at 33.4°N, 86.8°W, 577 ft above sea level, in United States. The nearest listed city is Vestavia Hills, 3.1 mi away.

Topography around Hoover

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Hoover.

Within 2 miles, the terrain around Hoover has only modest variations in elevation — a maximum elevation change of 620 ft around an average of 682 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,043 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,814 ft.

The land around Hoover is covered by trees (67%) and artificial surfaces (23%) within 2 miles, trees (71%) within 10 miles, and trees (86%) within 50 miles.

2 miles
620 ft
10 miles
1,043 ft
50 miles
1,814 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Vestavia Hills 3.1 mi · Homewood 4.3 mi · Mountain Brook 7.5 mi · Helena 8.1 mi · Birmingham 8.1 mi · Bessemer 8.1 mi · Pelham 8.1 mi · Alabaster 11 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hoover (33.4054°, -86.8114°, elevation 577 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).