Väder i Keswick (Lake District) i september
Keswick i september: skönt, genomblött, med ren luft — helt okej om du står ut med 18 regndagar.
Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen
Plats 6 av 12 månader i Keswick · plats 764 av 1413 resmål att besöka i september · komfort 78/100 (nivå B)
- Dagar
- 17°C
- Nätter
- 9°C
- Regndagar
- 18
- Sol
- 7 h
- Luftfuktighet
- 85%
- Dagsljus
- 13 h

Resenärernas anteckningar om Keswick i september
Keswick-forum threads on September weather are direct conditions here genuinely can go either way, early-month stretches sometimes delivering still, settled days while other years bring a properly unsettled run, nothing guaranteed. Posters call the fells a real factor for hikers, conditions at higher elevation running noticeably harsher than the valley floor, a proper fleece, gloves and a warm hat standing advice even for a lunch stop. Regulars are consistent layering is the only real strategy that works, outer layers needing to be genuinely waterproof rather than just warm given how often a shower rolls through. Posters call September on average a reasonably favorable month by Lake District standards, though individual trips can land on either extreme. Regulars recommend checking a specialist mountain forecast before any serious fell walk. The record: 17.3C days feeling like 16C, 9.1C nights, an extraordinarily high 178mm across nearly 18 days and 85 percent humidity.
Andra månader i Keswick
Keswick-forum threads on likely late-February weather describe the honest answer as genuinely anything, posters calling temperatures a touch above freezing with cloud and some rain the most probable outcome, though recent years have swung as far as full snow cover below minus ten and, other years, sunny days above ten. Regulars call February the peak month locally for the likelihood of snow, though posters note rain remains the more probable single-day outcome. Posters describe daylight as genuinely limited, running from around half seven to five, the sun often dropping before official sunset behind the fells. Regulars call the Lake District's microclimates real, rain in the southern lakes compatible with sun in the north the same day. Posters recommend basing along the central corridor between Ambleside and Keswick, the one road that almost always stays open. The record: 8.4C days feeling like 4C, 2.7C nights, an extraordinarily high 138.4mm across 17 days and 87 percent humidity.
Keswick-forum threads comparing late October and early April describe the two as surprisingly similar in unpredictability, posters calling neither month a real guarantee of settled weather. Regulars describe April as capable of genuine extremes, one visitor recalling a year where April broke records for both heat and, separately, cold and rain. Posters call six inches of snow at higher spots like Skiddaw House entirely possible even while daffodils bloom in sunshine a few miles away at valley level. Regulars recommend real layers and a proper waterproof regardless of forecast, the high fells capable of turning genuinely dangerous for anyone underprepared. Posters call bright spells a real possibility even on an otherwise grey day, weather shifting fast enough to reward patience. Regulars recommend checking a same-day forecast rather than trusting anything issued days out. The record: 12.7C days feeling like 10C, 3.7C nights, 76.3mm across over 12 days and 79 percent humidity.
Keswick-forum threads on rainy days confirm real precipitation is a standing feature of a January visit, posters calling the forecast changeable enough to shift radically within the same day, let alone across a week. Regulars describe conditions as capable of running cold and clear with frost but no real accumulation, or mild, wet and genuinely windy, both entirely plausible in the same month. Posters call any snow that does fall as typically confined to higher ground, rarely settling for long at lake level or in town. Regulars recommend Keswick or Ambleside as the sensible base, both offering real indoor options like museums and theatre for a washout day. Posters call the Derwent Water circular and shorter walks to Catbells and Latrigg worth doing even in imperfect conditions. Regulars recommend an hourly forecast over anything issued days out. The record: 7.5C days feeling like 4C, 1.8C nights, an extraordinarily high 134.8mm across over 15 days and 90 percent humidity.
May in the Lakes is the month for daylight, and the forum's crowd advice is about which weekend. The first May bank holiday is the quietest of them, because there is no school week attached; late May, around the 23rd to the 25th, is English half term and genuinely crowded. The other correction regulars make is about where the crowds are - busy means the town centres, Ambleside, Bowness and to a degree Keswick, while the fells themselves can give you a full day and a handful of people. Keswick's own May fixture is the Mountain Festival. The record: 16.8C days that feel like 15C, 6.8C nights, 13.4 precipitation days carrying 76mm, 10.6 hours of sun and a 16.1-hour day.
Lägg till din egen anteckning från Keswicks kort på kartan.
Klimatnormaler för Keswick — september
Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.
Trängsel i Keswick i september
Hur mycket folk det är på själva platsen — skollov och storhelger, månaderna en redaktör har märkt upp, och hur eftertraktade vädret gör dem. Aldrig en del av komfortpoängen.
Mycket folkEnglish school holidays, skollov i 3 av marknaderna som fyller platsen(uppskattat)
Mest folkMycket folkMellansäsongLugnt
Bästa månaderna för vädret i Keswick
Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).
Hyfsat väderVädret i Keswick toppar maj–juli.
Bäst väderHyfsat väderTuffast väder
På gång i Keswick i september
Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.
- Säsong
Derwentwater launch season
20 mar – 1 nov · vanligtvisSommarsäsongen öppnarStängningarThe launches round the lake run a full timetable from spring to the end of October and a skeleton one after. The jetties for Catbells and Lodore are how most people get to those walks. Källa ↗
- Helg
English school holidays
18 jul – 1 sepTrångtBoka tidigtThe Borrowdale road and every car park south of the town are full by ten through August, and the Keswick Launch queues with them. The high fells absorb it better than the lakeshore does. Källa ↗
I närheten, och något är på gång
Inom 300 km från Keswick — en dagstur eller ett kort hopp — med något på gång den här månaden. Aldrig en del av komfortpoängen.
Var ligger Keswick?
Keswick i september — vanliga frågor
- Är september en bra tid att besöka Keswick?
- Keswick i september: skönt, genomblött, med ren luft — helt okej om du står ut med 18 regndagar. Månaden ligger på plats 6 av 12 för Keswick enligt SeasonMaps komfortpoäng (78/100).
- Hur är vädret i Keswick i september?
- I september har Keswick i snitt 17.3 °C som dagshögsta och 9.1 °C som nattlägsta, med ungefär 151 mm regn fördelat på cirka 17.6 regndagar.
- Hur är luftkvaliteten i Keswick i september?
- Keswick har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 36 i september.
Inom 300 km: Liverpools International Beatleweek, 26 aug – 1 sep och Manchesters Manchester Pride, runt 20 aug – 1 sep.