Gardner weather in September

In September, Gardner sees average daytime highs of 71°F and overnight lows near 54°F, with 3.7 in of rain across 8.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-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 37% 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 Gardner's 1st-clearest and 9th-windiest month. For the whole year in context, see Gardner's year-round climate.

Daytime high
71°
4th warmest
Overnight low
54°
9th coldest
Rainfall
3.7 in
8.7 wet days
Daylight
12 h 18 min
5:34 AM – 5:51 PM
Cloud cover
56%
1st clearest
Wind
7 mph
9th windiest
Solar energy
4.14 kWh/m²
Travel score
6.8
out of 10

Gardner is city in Worcester County, Massachusetts, United States.

Density
341/km²
people per km²
Founded
1764

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 Gardner reaches about 71°F in the afternoon and slips back to 54°F overnight — a 17°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 8°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17658
27658
37658
47658
57557
67557
77457
87456
97456
107356
117355
127355
137255
147254
157254
167154
177153
187153
197053
207052
216952
226952
236951
246851
256851
266750
276750
286649
296649
306649

How September really feels in Gardner

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.

Gardner weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 18°3.49.66.69.20.0
Feb35° / 19°3.18.66.110.30.0
Mar43° / 27°4.110.95.711.60.6
Apr55° / 38°3.811.31.813.13.5
May66° / 48°3.411.40.114.45.7
Jun76° / 57°3.911.7015.16.4
Jul81° / 63°3.610.7014.86.3
Aug79° / 61°3.610.4013.76.6
Sep71° / 54°3.78.7012.36.8
Oct59° / 43°4.09.70.410.84.7
Nov47° / 33°3.49.61.69.61.6
Dec37° / 24°4.310.55.88.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35248
45248
55248
65248
75248
85248
95347
105347
115347
125347
135347
145446
155347
165347
175347
185347
195347
205248
215248
225248
235149
245248
255248
265149
275149
285149
295149
305149

Chance of precipitation in September

Any precipitation

Gardner gets around 3.7 in of rain over 8.7 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
528
628
728
829
929
1029
1129
1229
1329
1429
1528
1628
1728
1828
1928
2028
2128
2229
2329
2429
2529
2630
2730
2830
2931
3031

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1422519131
2432518121
3442418121
4452418121
5472417111
6482317111
7482317111
8492317111
9512216100
10522216100
11532116100
1254211690
1355201690
1456191690
1558191580
1659181580
1760181570
1861171570
1963171460
2064161460
2165161360
2266161350
2368151250
2469151240
2570151140
2671141140
2773141030
287414930
297414930
307613830

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:17 AM to 5:50 AM, and sunset from 6:18 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:176:18
213.05:186:16
312.95:196:15
412.95:216:13
512.85:226:11
612.85:236:09
712.75:246:07
812.75:256:06
912.65:266:04
1012.65:276:02
1112.55:286:00
1212.55:295:58
1312.45:305:56
1412.45:325:55
1512.35:335:53
1612.35:345:51
1712.25:355:49
1812.25:365:47
1912.15:375:45
2012.15:385:43
2112.05:395:42
2212.05:405:40
2311.95:425:38
2411.95:435:36
2511.85:445:34
2611.85:455:32
2711.75:465:31
2811.75:475:29
2911.65:485:27
3011.65:505:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.14 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 5.91 kWh/m² in July across the year — September's 4.14 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Gardner?

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

6.8
Sightseeing
1st-best month of the year
4.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Gardner for sightseeing.

What to pack for Gardner in September

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

In September, Gardner sees daytime highs around 71°F and nights near 54°F. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Gardner 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 Gardner peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 23 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 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Gardner?

Gardner sits at 42.6°N, 72.0°W, 1,063 ft above sea level, in United States. The nearest listed city is Fitchburg, 9.9 mi away.

Topography around Gardner

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

Within 2 miles, the terrain around Gardner has only modest variations in elevation — a maximum elevation change of 407 ft around an average of 1,063 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,545 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,094 ft.

The land around Gardner is covered by trees (73%) within 2 miles, trees (90%) within 10 miles, and trees (91%) within 50 miles.

2 miles
407 ft
10 miles
1,545 ft
50 miles
3,094 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Fitchburg 9.9 mi · Leominster 12 mi · Holden 17 mi · Worcester 24 mi · Shrewsbury 24 mi · Auburn 27 mi · Marlborough 28 mi · Westford 29 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 Gardner (42.5751°, -71.9981°, elevation 1,063 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).