Tønsberg Weather in September
Tønsberg in September
The short of it: Tønsberg in September averages a high of 16 °C (61 °F) and a low of 10 °C (50 °F), with 93 mm (3.7 in) of rain and about 12 h 43 min of daylight. Rated 3 of 5 for a visit; the best months are April and July. Source: TerraClimate climate normals, 1991–2020.
Average high 16° · low 10° · rain 93 mm · daylight 12 h 43 min
✦✦✦ Fair for a visit · best months: April & July
Thirty years of records give Tønsberg an average September high of 16°, a low of 10° and some 93 mm of rain. Highs fall 4° against August, to near 16°; nights run about 10°. Wet spells are common — about 93 mm, the 3rd wettest month.
The sun is up for about 12 h 43 min in mid-September, 167 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are April and July.
Against its neighbours, Tønsberg runs warmer than most and drier than most in September. Sem, 5 km to the WNW, sees much the same highs.
September in Tønsberg, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- 4° colder, 3.0 mm more rain
- Versus October
- 6° warmer
- Day–night spread
- 7°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 43 min
- Average wind
- 17 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| SemVestfold | 5 km WNW | 16° | 10° | 99 mm |
| MelsomvikVestfold | 6 km SW | 16° | 10° | 95 mm |
| StokkeVestfold | 8 km SW | 16° | 10° | 100 mm |
| ÅsgårdstrandVestfold | 10 km NNE | 16° | 9° | 89 mm |
| HortenVestfold | 17 km NNE | 16° | 10° | 88 mm |
| TjømeVestfold | 17 km S | 16° | 11° | 88 mm |
| SandefjordVestfold | 19 km SW | 16° | 10° | 108 mm |
| RyggebyenØstfold | 23 km ENE | 17° | 8° | 83 mm |