Bothell Weather in September
Bothell in September
The short of it: Bothell in September averages a high of 21 °C (70 °F) and a low of 11 °C (51 °F), with 48 mm (1.9 in) of rain and about 12 h 29 min of daylight. Rated 4 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 70° · low 51° · rain 1.9 in. · daylight 12 h 29 min
✦✦✦✦ Recommended for a visit · best months: July & August
Thirty years of records give Bothell an average September high of 70°, a low of 51° and some 1.9 in. of rain. Much like August: highs about 70°, nights near 51°. Easy travelling weather. Rain is modest, about 1.9 in., the 10th wettest month.
The sun is up for about 12 h 29 min in mid-September, 107 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates September 4 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Bothell runs warmer than most and about as wet in September. Kenmore, 2 mi to the W, sees much the same highs.
September in Bothell, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 10th wettest of 12
- Versus August
- 6° colder, 0.7 in. more rain
- Versus October
- 10° warmer
- Day–night spread
- 19°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 29 min
- Average wind
- 5 mph
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| KenmoreWashington | 2 mi W | 70° | 51° | 1.8 in. |
| Inglewood-Finn HillWashington | 3 mi SSW | 69° | 51° | 1.9 in. |
| Bothell WestWashington | 3 mi NNW | 70° | 51° | 1.9 in. |
| North CreekWashington | 4 mi NNE | 70° | 50° | 2.0 in. |
| Mountlake TerraceWashington | 5 mi WNW | 69° | 51° | 1.8 in. |
| Mill Creek EastWashington | 5 mi N | 70° | 50° | 2.2 in. |
| KirklandWashington | 6 mi S | 70° | 53° | 1.7 in. |
| Cottage LakeWashington | 6 mi ESE | 70° | 50° | 2.2 in. |