Glenville weather in September

In September, Glenville sees average daytime highs of 71°F and overnight lows near 53°F, with 4.0 in of rain across 9.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 66°F by the end. The sky is clear or mostly clear about 33% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Glenville's 1st-clearest and 10th-windiest month. For the whole year in context, see Glenville's year-round climate.

Daytime high
71°
4th warmest
Overnight low
53°
9th coldest
Rainfall
4.0 in
9.5 wet days
Daylight
12 h 18 min
5:42 AM – 5:59 PM
Cloud cover
57%
1st clearest
Wind
5 mph
10th windiest
Solar energy
4.07 kWh/m²
Travel score
6.7
out of 10

Glenville is human settlement in Schenectady County, New York, United States of America.

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 76°F in the first days to 66°F by the end.

A typical September day in Glenville reaches about 71°F in the afternoon and slips back to 53°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 81°F. Set against its neighbours, September runs about 7°F cooler than August and about 13°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17658
27657
37657
47557
57556
67556
77456
87455
97455
107355
117355
127354
137254
147253
157253
167153
177152
187152
197051
207051
216951
226950
236850
246850
256749
266749
276749
286648
296648
306547

How September really feels in Glenville

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Glenville weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 15°3.39.87.69.20.0
Feb33° / 17°2.98.96.810.20.0
Mar42° / 25°3.9115.511.60.5
Apr56° / 37°4.311.71.713.13.5
May67° / 48°4.212.60.114.45.7
Jun75° / 57°4.813015.16.3
Jul80° / 62°4.211.7014.86.3
Aug78° / 60°4.010.8013.86.7
Sep71° / 53°4.09.5012.36.7
Oct58° / 42°4.710.60.410.84.4
Nov46° / 32°3.7102.39.51.3
Dec35° / 22°4.110.86.88.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65347
75248
85248
95248
105248
115248
125248
135149
145248
155248
165248
175149
185149
195149
205050
214951
224951
234951
244951
254951
264852
274951
284951
294951
304951

Chance of precipitation in September

Any precipitation

Glenville gets around 4.0 in of rain over 9.5 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
329
429
530
630
730
831
931
1031
1131
1231
1332
1432
1532
1632
1732
1832
1932
2032
2133
2233
2333
2433
2533
2634
2734
2834
2935
3035

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1362921141
2372821131
3382820131
4402720121
5412720121
6422719110
7442619110
8452619100
947251890
1048251890
1150241880
1251231880
1353231770
1454221770
1557211660
1657211660
1759201560
1860191560
1963181450
2065171350
2165171350
2267161250
2369151240
2471141140
2572141040
267513930
277513930
287712830
297912720
308011720

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 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:25 AM to 5:58 AM, and sunset from 6:27 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:256:27
213.05:266:25
312.95:276:23
412.95:286:21
512.85:306:20
612.85:316:18
712.75:326:16
812.75:336:14
912.65:346:12
1012.65:356:10
1112.55:366:08
1212.55:376:07
1312.45:396:05
1412.45:406:03
1512.35:416:01
1612.35:425:59
1712.25:435:57
1812.25:445:55
1912.15:455:54
2012.15:465:52
2112.05:485:50
2212.05:495:48
2311.95:505:46
2411.95:515:44
2511.85:525:42
2611.85:535:41
2711.75:545:39
2811.75:565:37
2911.65:575:35
3011.65:585:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.07 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 5.9 kWh/m² in July across the year — September's 4.07 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Glenville?

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

6.7
Sightseeing
1st-best month of the year
4.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Glenville for sightseeing.

What to pack for Glenville in September

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

In September, Glenville sees daytime highs around 71°F and nights near 53°F. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Glenville in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Glenville peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Glenville?

Glenville sits at 42.9°N, 74.1°W, 705 ft above sea level, in United States. The nearest listed city is Amsterdam, 6.8 mi away.

Topography around Glenville

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

Within 2 miles, the terrain around Glenville has only modest variations in elevation — a maximum elevation change of 653 ft around an average of 784 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,276 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,967 ft.

The land around Glenville is covered by trees (79%) within 2 miles, trees (69%) within 10 miles, and trees (82%) within 50 miles.

2 miles
653 ft
10 miles
1,276 ft
50 miles
3,967 ft
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Amsterdam 6.8 mi · Schenectady 9.9 mi · Rotterdam 11 mi · Clifton Park 15 mi · Gloversville 17 mi · Saratoga Springs 17 mi · Latham 19 mi · Cohoes 21 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 Glenville (42.9292°, -74.0521°, elevation 705 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).