Saltash weather in September

In September, Saltash sees average daytime highs of 17°C and overnight lows near 11°C, with 61 mm of rain across 10.4 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 16°C by the end. The sky is clear or mostly clear about 13% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Saltash's 4th-clearest and 9th-windiest month. For the whole year in context, see Saltash's year-round climate.

Daytime high
17°
4th warmest
Overnight low
11°
10th coldest
Rainfall
61 mm
10.4 wet days
Daylight
12 h 24 min
6:00 AM – 6:22 PM
Cloud cover
71%
4th clearest
Wind
15 km/h
9th windiest
Solar energy
3.32 kWh/m²
Travel score
5.2
out of 10

Saltash is town and civil parish in Cornwall, United Kingdom.

Air quality
Good
PM2.5 9.5 µg/m³ · 2019

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 18°C in the first days to 16°C by the end.

A typical September day in Saltash reaches about 17°C in the afternoon and slips back to 11°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 20°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11812
21812
31812
41812
51812
61812
71811
81811
91811
101811
111811
121711
131711
141711
151711
161711
171711
181711
191711
201711
211711
221711
231610
241610
251610
261610
271610
281610
291610
301610

How September really feels in Saltash

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Saltash 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8513.80.48.31.2
Feb / 7111.60.59.71.3
Mar10° / 6511.90.411.52.0
Apr12° / 7312.40.113.53.0
May15° / 7512.7015.24.1
Jun17° / 11°7412.6016.15.1
Jul19° / 13°7212.2015.85.7
Aug19° / 13°7712.9014.35.6
Sep17° / 11°6110.4012.45.2
Oct14° / 9113.6010.53.6
Nov11° / 881408.82.3
Dec / 9313.50.27.91.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23169
33169
43169
53169
63169
73169
83169
93268
103268
113268
123367
133367
143466
153367
163268
173367
183367
193367
203367
213367
223268
233169
243169
253070
262971
272971
282971
292872
302872

Chance of precipitation in September

Any precipitation

Saltash gets around 61 mm of rain over 10.4 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 35% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
232
332
431
531
632
732
832
932
1033
1133
1233
1333
1433
1534
1634
1734
1835
1935
2036
2136
2237
2338
2439
2539
2640
2741
2842
2942
3042

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 70% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
156395
257385
358375
459365
560355
662335
763325
864315
966295
1067285
1168275
1270264
1371254
1471254
1572244
1673243
1774233
1874233
1975232
2075232
2174242
2275241
2375241
2475241
2575241
2675241
2776231
2876231
2977221
3078211

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over September. Sunrise moves from 5:36 AM to 6:22 AM, and sunset from 6:57 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:366:57
213.35:386:54
313.25:406:52
413.15:416:50
513.15:436:48
613.05:446:45
713.05:466:43
812.95:476:41
912.85:496:39
1012.85:516:36
1112.75:526:34
1212.65:546:32
1312.65:556:29
1412.55:576:27
1512.45:586:25
1612.46:006:22
1712.36:026:20
1812.26:036:18
1912.26:056:15
2012.16:066:13
2112.06:086:11
2212.06:096:09
2311.96:116:06
2411.96:136:04
2511.86:146:02
2611.76:165:59
2711.76:175:57
2811.66:195:55
2911.56:215:52
3011.56:225:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.32 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.7 kWh/m² in June across the year — September's 3.32 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.7Moderate
93.6Moderate
103.6Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Saltash?

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

5.2
Sightseeing
3rd-best month of the year
1.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Saltash for sightseeing.

What to pack for Saltash in September

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

In September, Saltash sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Saltash in September

The nearest coast averages about 16°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in March near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep16Cool
Oct15Bracing
Nov13Bracing
Dec12Bracing

UV index in Saltash in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saltash peaks around August 13 at about 6 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saltash?

Saltash sits at 50.4°N, 4.2°W, 64 m above sea level, in United Kingdom. The nearest listed city is Plymouth, 7.0 km away.

Topography around Saltash

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saltash.

Within 3 km, the terrain around Saltash has only modest variations in elevation — a maximum elevation change of 111 m around an average of 35 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 331 m; within 80 km, large variations in elevation — a maximum elevation change of 651 m.

The land around Saltash is covered by grassland (30%), trees (25%) and water (22%) within 3 km, grassland (36%), water (26%) and trees (22%) within 16 km, and water (49%) and grassland (34%) within 80 km.

3 km
111 m
16 km
331 m
80 km
651 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Plymouth 7.0 km · Plymstock 11 km · Bodmin 36 km · St Austell 40 km · Newton Abbot 45 km · Paignton 47 km · Torquay 50 km · Brixham 50 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 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 Saltash (50.4096°, -4.2251°, elevation 64 m), 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).